CHROMIUM: Merge tag 'v4.4.86' into chromeos-4.4
Merge of v4.4.86 into chromeos-4.4
Conflicts:
arch/x86/kernel/cpu/perf_event_intel_lbr.c
drivers/android/binder.c
drivers/gpu/drm/drm_gem.c
drivers/gpu/drm/rcar-du/rcar_du_crtc.c
fs/pstore/ram.c
mm/mempool.c
net/core/dev.c
BUG=chromium:762046
TEST=Build and test on Eve, Kevin, Chell with 4.4 kernel
Change-Id: I843bd55a18cde14429cdecd9cc29857e852f710f
Signed-off-by: Guenter Roeck <groeck@chromium.org>
diff --git a/Makefile b/Makefile
index 1f9bd07..d01fc0b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 79
+SUBLEVEL = 86
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index 210ef3e..0ddd714 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -88,7 +88,9 @@
#define ARC_REG_SLC_FLUSH 0x904
#define ARC_REG_SLC_INVALIDATE 0x905
#define ARC_REG_SLC_RGN_START 0x914
+#define ARC_REG_SLC_RGN_START1 0x915
#define ARC_REG_SLC_RGN_END 0x916
+#define ARC_REG_SLC_RGN_END1 0x917
/* Bit val in SLC_CONTROL */
#define SLC_CTRL_IM 0x040
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index d81b6d7..9a84cbdd 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -543,6 +543,7 @@
static DEFINE_SPINLOCK(lock);
unsigned long flags;
unsigned int ctrl;
+ phys_addr_t end;
spin_lock_irqsave(&lock, flags);
@@ -572,8 +573,16 @@
* END needs to be setup before START (latter triggers the operation)
* END can't be same as START, so add (l2_line_sz - 1) to sz
*/
- write_aux_reg(ARC_REG_SLC_RGN_END, (paddr + sz + l2_line_sz - 1));
- write_aux_reg(ARC_REG_SLC_RGN_START, paddr);
+ end = paddr + sz + l2_line_sz - 1;
+ if (is_pae40_enabled())
+ write_aux_reg(ARC_REG_SLC_RGN_END1, upper_32_bits(end));
+
+ write_aux_reg(ARC_REG_SLC_RGN_END, lower_32_bits(end));
+
+ if (is_pae40_enabled())
+ write_aux_reg(ARC_REG_SLC_RGN_START1, upper_32_bits(paddr));
+
+ write_aux_reg(ARC_REG_SLC_RGN_START, lower_32_bits(paddr));
while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY);
diff --git a/arch/arm/boot/dts/armada-388-gp.dts b/arch/arm/boot/dts/armada-388-gp.dts
index cd31602..6c1b45c 100644
--- a/arch/arm/boot/dts/armada-388-gp.dts
+++ b/arch/arm/boot/dts/armada-388-gp.dts
@@ -89,7 +89,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pca0_pins>;
interrupt-parent = <&gpio0>;
- interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
@@ -101,7 +101,7 @@
compatible = "nxp,pca9555";
pinctrl-names = "default";
interrupt-parent = <&gpio0>;
- interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 5f5e0f3..27cd4ab 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -697,6 +697,8 @@
vmmc_aux-supply = <&vsim>;
bus-width = <8>;
non-removable;
+ no-sdio;
+ no-sd;
};
&mmc3 {
diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index f314236..01116ee 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -87,9 +87,9 @@
CONFIG_NETFILTER=y
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_EVENTS=y
-CONFIG_NF_CT_PROTO_DCCP=m
-CONFIG_NF_CT_PROTO_SCTP=m
-CONFIG_NF_CT_PROTO_UDPLITE=m
+CONFIG_NF_CT_PROTO_DCCP=y
+CONFIG_NF_CT_PROTO_SCTP=y
+CONFIG_NF_CT_PROTO_UDPLITE=y
CONFIG_NF_CONNTRACK_AMANDA=m
CONFIG_NF_CONNTRACK_FTP=m
CONFIG_NF_CONNTRACK_H323=m
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index bfe2a2f..22b7311 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -54,6 +54,24 @@
#define ftrace_return_address(n) return_address(n)
+#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
+
+static inline bool arch_syscall_match_sym_name(const char *sym,
+ const char *name)
+{
+ if (!strcmp(sym, "sys_mmap2"))
+ sym = "sys_mmap_pgoff";
+ else if (!strcmp(sym, "sys_statfs64_wrapper"))
+ sym = "sys_statfs64";
+ else if (!strcmp(sym, "sys_fstatfs64_wrapper"))
+ sym = "sys_fstatfs64";
+ else if (!strcmp(sym, "sys_arm_fadvise64_64"))
+ sym = "sys_fadvise64_64";
+
+ /* Ignore case since sym may start with "SyS" instead of "sys" */
+ return !strcasecmp(sym, name);
+}
+
#endif /* ifndef __ASSEMBLY__ */
#endif /* _ASM_ARM_FTRACE */
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 1f1ff7e..ba079e2 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1629,12 +1629,16 @@
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end)
{
+ if (!kvm->arch.pgd)
+ return 0;
trace_kvm_age_hva(start, end);
return handle_hva_to_gpa(kvm, start, end, kvm_age_hva_handler, NULL);
}
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
{
+ if (!kvm->arch.pgd)
+ return 0;
trace_kvm_test_age_hva(hva);
return handle_hva_to_gpa(kvm, hva, hva, kvm_test_age_hva_handler, NULL);
}
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts b/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts
index ce5d848..7b34822 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-ep108.dts
@@ -26,7 +26,7 @@
stdout-path = "serial0:115200n8";
};
- memory {
+ memory@0 {
device_type = "memory";
reg = <0x0 0x0 0x40000000>;
};
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 857eda5..172402cc 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -71,7 +71,7 @@
<1 10 0xf01>;
};
- amba_apu {
+ amba_apu: amba_apu@0 {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <1>;
@@ -191,7 +191,7 @@
};
i2c0: i2c@ff020000 {
- compatible = "cdns,i2c-r1p10";
+ compatible = "cdns,i2c-r1p14", "cdns,i2c-r1p10";
status = "disabled";
interrupt-parent = <&gic>;
interrupts = <0 17 4>;
@@ -202,7 +202,7 @@
};
i2c1: i2c@ff030000 {
- compatible = "cdns,i2c-r1p10";
+ compatible = "cdns,i2c-r1p14", "cdns,i2c-r1p10";
status = "disabled";
interrupt-parent = <&gic>;
interrupts = <0 18 4>;
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index 9e11dbe..329c127 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -121,10 +121,10 @@
/*
* This is the base location for PIE (ET_DYN with INTERP) loads. On
- * 64-bit, this is raised to 4GB to leave the entire 32-bit address
+ * 64-bit, this is above 4GB to leave the entire 32-bit address
* space open for things that want to use the area for 32-bit pointers.
*/
-#define ELF_ET_DYN_BASE 0x100000000UL
+#define ELF_ET_DYN_BASE (2 * TASK_SIZE_64 / 3)
/*
* When the program starts, a1 contains a pointer to a function to be
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 4c46c54..6638903 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -157,9 +157,11 @@
void fpsimd_flush_thread(void)
{
+ preempt_disable();
memset(¤t->thread.fpsimd_state, 0, sizeof(struct fpsimd_state));
fpsimd_flush_task_state(current);
set_thread_flag(TIF_FOREIGN_FPSTATE);
+ preempt_enable();
}
/*
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 247bae7..7fabf49 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -66,21 +66,21 @@
break;
pud = pud_offset(pgd, addr);
- printk(", *pud=%016llx", pud_val(*pud));
+ pr_cont(", *pud=%016llx", pud_val(*pud));
if (pud_none(*pud) || pud_bad(*pud))
break;
pmd = pmd_offset(pud, addr);
- printk(", *pmd=%016llx", pmd_val(*pmd));
+ pr_cont(", *pmd=%016llx", pmd_val(*pmd));
if (pmd_none(*pmd) || pmd_bad(*pmd))
break;
pte = pte_offset_map(pmd, addr);
- printk(", *pte=%016llx", pte_val(*pte));
+ pr_cont(", *pte=%016llx", pte_val(*pte));
pte_unmap(pte);
} while(0);
- printk("\n");
+ pr_cont("\n");
}
#ifdef CONFIG_ARM64_HW_AFDBM
@@ -313,8 +313,11 @@
* signal first. We do not need to release the mmap_sem because it
* would already be released in __lock_page_or_retry in mm/filemap.c.
*/
- if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
+ if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) {
+ if (!user_mode(regs))
+ goto no_context;
return 0;
+ }
/*
* Major/minor page fault accounting is only done on the initial
diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S
index d936de4..341fc08 100644
--- a/arch/openrisc/kernel/vmlinux.lds.S
+++ b/arch/openrisc/kernel/vmlinux.lds.S
@@ -38,6 +38,8 @@
/* Read-only sections, merged into text segment: */
. = LOAD_BASE ;
+ _text = .;
+
/* _s_kernel_ro must be page aligned */
. = ALIGN(PAGE_SIZE);
_s_kernel_ro = .;
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 3297715..8b3b46b 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -44,22 +44,8 @@
extern int sysfs_add_device_to_node(struct device *dev, int nid);
extern void sysfs_remove_device_from_node(struct device *dev, int nid);
-static inline int early_cpu_to_node(int cpu)
-{
- int nid;
-
- nid = numa_cpu_lookup_table[cpu];
-
- /*
- * Fall back to node 0 if nid is unset (it should be, except bugs).
- * This allows callers to safely do NODE_DATA(early_cpu_to_node(cpu)).
- */
- return (nid < 0) ? 0 : nid;
-}
#else
-static inline int early_cpu_to_node(int cpu) { return 0; }
-
static inline void dump_numa_cpu_topology(void) {}
static inline int sysfs_add_device_to_node(struct device *dev, int nid)
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index fe6e800c..a208232 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -751,7 +751,7 @@
static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
{
- return __alloc_bootmem_node(NODE_DATA(early_cpu_to_node(cpu)), size, align,
+ return __alloc_bootmem_node(NODE_DATA(cpu_to_node(cpu)), size, align,
__pa(MAX_DMA_ADDRESS));
}
@@ -762,7 +762,7 @@
static int pcpu_cpu_distance(unsigned int from, unsigned int to)
{
- if (early_cpu_to_node(from) == early_cpu_to_node(to))
+ if (cpu_to_node(from) == cpu_to_node(to))
return LOCAL_DISTANCE;
else
return REMOTE_DISTANCE;
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 396dc44e..428563b 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2687,6 +2687,10 @@
{
int r;
int srcu_idx;
+ unsigned long ebb_regs[3] = {}; /* shut up GCC */
+ unsigned long user_tar = 0;
+ unsigned long proc_fscr = 0;
+ unsigned int user_vrsave;
if (!vcpu->arch.sane) {
run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
@@ -2707,10 +2711,11 @@
run->fail_entry.hardware_entry_failure_reason = 0;
return -EINVAL;
}
+ /* Enable TM so we can read the TM SPRs */
+ mtmsr(mfmsr() | MSR_TM);
current->thread.tm_tfhar = mfspr(SPRN_TFHAR);
current->thread.tm_tfiar = mfspr(SPRN_TFIAR);
current->thread.tm_texasr = mfspr(SPRN_TEXASR);
- current->thread.regs->msr &= ~MSR_TM;
}
#endif
@@ -2736,6 +2741,17 @@
flush_fp_to_thread(current);
flush_altivec_to_thread(current);
flush_vsx_to_thread(current);
+
+ /* Save userspace EBB and other register values */
+ if (cpu_has_feature(CPU_FTR_ARCH_207S)) {
+ ebb_regs[0] = mfspr(SPRN_EBBHR);
+ ebb_regs[1] = mfspr(SPRN_EBBRR);
+ ebb_regs[2] = mfspr(SPRN_BESCR);
+ user_tar = mfspr(SPRN_TAR);
+ proc_fscr = mfspr(SPRN_FSCR);
+ }
+ user_vrsave = mfspr(SPRN_VRSAVE);
+
vcpu->arch.wqp = &vcpu->arch.vcore->wq;
vcpu->arch.pgdir = current->mm->pgd;
vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST;
@@ -2757,6 +2773,29 @@
}
} while (is_kvmppc_resume_guest(r));
+ /* Restore userspace EBB and other register values */
+ if (cpu_has_feature(CPU_FTR_ARCH_207S)) {
+ mtspr(SPRN_EBBHR, ebb_regs[0]);
+ mtspr(SPRN_EBBRR, ebb_regs[1]);
+ mtspr(SPRN_BESCR, ebb_regs[2]);
+ mtspr(SPRN_TAR, user_tar);
+ mtspr(SPRN_FSCR, proc_fscr);
+ }
+ mtspr(SPRN_VRSAVE, user_vrsave);
+
+ /*
+ * Since we don't do lazy TM reload, we need to reload
+ * the TM registers here.
+ */
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ if (cpu_has_feature(CPU_FTR_TM) && current->thread.regs &&
+ (current->thread.regs->msr & MSR_TM)) {
+ mtspr(SPRN_TFHAR, current->thread.tm_tfhar);
+ mtspr(SPRN_TFIAR, current->thread.tm_tfiar);
+ mtspr(SPRN_TEXASR, current->thread.tm_texasr);
+ }
+#endif
+
out:
vcpu->arch.state = KVMPPC_VCPU_NOTREADY;
atomic_dec(&vcpu->kvm->arch.vcpus_running);
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 1a743f8..ffab926 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -36,6 +36,13 @@
#define NAPPING_CEDE 1
#define NAPPING_NOVCPU 2
+/* Stack frame offsets for kvmppc_hv_entry */
+#define SFS 112
+#define STACK_SLOT_TRAP (SFS-4)
+#define STACK_SLOT_CIABR (SFS-16)
+#define STACK_SLOT_DAWR (SFS-24)
+#define STACK_SLOT_DAWRX (SFS-32)
+
/*
* Call kvmppc_hv_entry in real mode.
* Must be called with interrupts hard-disabled.
@@ -274,10 +281,10 @@
bl kvmhv_accumulate_time
#endif
13: mr r3, r12
- stw r12, 112-4(r1)
+ stw r12, STACK_SLOT_TRAP(r1)
bl kvmhv_commence_exit
nop
- lwz r12, 112-4(r1)
+ lwz r12, STACK_SLOT_TRAP(r1)
b kvmhv_switch_to_host
/*
@@ -489,7 +496,7 @@
*/
mflr r0
std r0, PPC_LR_STKOFF(r1)
- stdu r1, -112(r1)
+ stdu r1, -SFS(r1)
/* Save R1 in the PACA */
std r1, HSTATE_HOST_R1(r13)
@@ -643,6 +650,16 @@
mtspr SPRN_PURR,r7
mtspr SPRN_SPURR,r8
+ /* Save host values of some registers */
+BEGIN_FTR_SECTION
+ mfspr r5, SPRN_CIABR
+ mfspr r6, SPRN_DAWR
+ mfspr r7, SPRN_DAWRX
+ std r5, STACK_SLOT_CIABR(r1)
+ std r6, STACK_SLOT_DAWR(r1)
+ std r7, STACK_SLOT_DAWRX(r1)
+END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
+
BEGIN_FTR_SECTION
/* Set partition DABR */
/* Do this before re-enabling PMU to avoid P7 DABR corruption bug */
@@ -1266,8 +1283,7 @@
*/
li r0, 0
mtspr SPRN_IAMR, r0
- mtspr SPRN_CIABR, r0
- mtspr SPRN_DAWRX, r0
+ mtspr SPRN_PSPB, r0
mtspr SPRN_TCSCR, r0
mtspr SPRN_WORT, r0
/* Set MMCRS to 1<<31 to freeze and disable the SPMC counters */
@@ -1283,6 +1299,7 @@
std r6,VCPU_UAMOR(r9)
li r6,0
mtspr SPRN_AMR,r6
+ mtspr SPRN_UAMOR, r6
/* Switch DSCR back to host value */
mfspr r8, SPRN_DSCR
@@ -1424,6 +1441,16 @@
slbia
ptesync
+ /* Restore host values of some registers */
+BEGIN_FTR_SECTION
+ ld r5, STACK_SLOT_CIABR(r1)
+ ld r6, STACK_SLOT_DAWR(r1)
+ ld r7, STACK_SLOT_DAWRX(r1)
+ mtspr SPRN_CIABR, r5
+ mtspr SPRN_DAWR, r6
+ mtspr SPRN_DAWRX, r7
+END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
+
/*
* POWER7/POWER8 guest -> host partition switch code.
* We don't have to lock against tlbies but we do
@@ -1533,8 +1560,8 @@
li r0, KVM_GUEST_MODE_NONE
stb r0, HSTATE_IN_GUEST(r13)
- ld r0, 112+PPC_LR_STKOFF(r1)
- addi r1, r1, 112
+ ld r0, SFS+PPC_LR_STKOFF(r1)
+ addi r1, r1, SFS
mtlr r0
blr
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 7c7fcc0..fb695f1 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -82,7 +82,6 @@
of_detach_node(np);
of_node_put(parent);
- of_node_put(np); /* Must decrement the refcount */
return 0;
}
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 0e2919dd..1395eeb 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1250,7 +1250,8 @@
insn_count = bpf_jit_insn(jit, fp, i);
if (insn_count < 0)
return -1;
- jit->addrs[i + 1] = jit->prg; /* Next instruction address */
+ /* Next instruction address */
+ jit->addrs[i + insn_count] = jit->prg;
}
bpf_jit_epilogue(jit);
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 349dd23e..0cdeb2b 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -25,9 +25,11 @@
void __tsb_context_switch(unsigned long pgd_pa,
struct tsb_config *tsb_base,
struct tsb_config *tsb_huge,
- unsigned long tsb_descr_pa);
+ unsigned long tsb_descr_pa,
+ unsigned long secondary_ctx);
-static inline void tsb_context_switch(struct mm_struct *mm)
+static inline void tsb_context_switch_ctx(struct mm_struct *mm,
+ unsigned long ctx)
{
__tsb_context_switch(__pa(mm->pgd),
&mm->context.tsb_block[0],
@@ -38,9 +40,12 @@
#else
NULL
#endif
- , __pa(&mm->context.tsb_descr[0]));
+ , __pa(&mm->context.tsb_descr[0]),
+ ctx);
}
+#define tsb_context_switch(X) tsb_context_switch_ctx(X, 0)
+
void tsb_grow(struct mm_struct *mm,
unsigned long tsb_index,
unsigned long mm_rss);
@@ -110,8 +115,7 @@
* cpu0 to update it's TSB because at that point the cpu_vm_mask
* only had cpu1 set in it.
*/
- load_secondary_context(mm);
- tsb_context_switch(mm);
+ tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context));
/* Any time a processor runs a context on an address space
* for the first time, we must flush that context out of the
diff --git a/arch/sparc/include/asm/trap_block.h b/arch/sparc/include/asm/trap_block.h
index ec9c04d..ff05992 100644
--- a/arch/sparc/include/asm/trap_block.h
+++ b/arch/sparc/include/asm/trap_block.h
@@ -54,6 +54,7 @@
void init_cur_cpu_trap(struct thread_info *);
void setup_tba(void);
extern int ncpus_probed;
+extern u64 cpu_mondo_counter[NR_CPUS];
unsigned long real_hard_smp_processor_id(void);
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 95a9fa0..4511caa 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -617,22 +617,48 @@
}
}
-/* Multi-cpu list version. */
+#define CPU_MONDO_COUNTER(cpuid) (cpu_mondo_counter[cpuid])
+#define MONDO_USEC_WAIT_MIN 2
+#define MONDO_USEC_WAIT_MAX 100
+#define MONDO_RETRY_LIMIT 500000
+
+/* Multi-cpu list version.
+ *
+ * Deliver xcalls to 'cnt' number of cpus in 'cpu_list'.
+ * Sometimes not all cpus receive the mondo, requiring us to re-send
+ * the mondo until all cpus have received, or cpus are truly stuck
+ * unable to receive mondo, and we timeout.
+ * Occasionally a target cpu strand is borrowed briefly by hypervisor to
+ * perform guest service, such as PCIe error handling. Consider the
+ * service time, 1 second overall wait is reasonable for 1 cpu.
+ * Here two in-between mondo check wait time are defined: 2 usec for
+ * single cpu quick turn around and up to 100usec for large cpu count.
+ * Deliver mondo to large number of cpus could take longer, we adjusts
+ * the retry count as long as target cpus are making forward progress.
+ */
static void hypervisor_xcall_deliver(struct trap_per_cpu *tb, int cnt)
{
- int retries, this_cpu, prev_sent, i, saw_cpu_error;
+ int this_cpu, tot_cpus, prev_sent, i, rem;
+ int usec_wait, retries, tot_retries;
+ u16 first_cpu = 0xffff;
+ unsigned long xc_rcvd = 0;
unsigned long status;
+ int ecpuerror_id = 0;
+ int enocpu_id = 0;
u16 *cpu_list;
+ u16 cpu;
this_cpu = smp_processor_id();
-
cpu_list = __va(tb->cpu_list_pa);
-
- saw_cpu_error = 0;
- retries = 0;
+ usec_wait = cnt * MONDO_USEC_WAIT_MIN;
+ if (usec_wait > MONDO_USEC_WAIT_MAX)
+ usec_wait = MONDO_USEC_WAIT_MAX;
+ retries = tot_retries = 0;
+ tot_cpus = cnt;
prev_sent = 0;
+
do {
- int forward_progress, n_sent;
+ int n_sent, mondo_delivered, target_cpu_busy;
status = sun4v_cpu_mondo_send(cnt,
tb->cpu_list_pa,
@@ -640,94 +666,113 @@
/* HV_EOK means all cpus received the xcall, we're done. */
if (likely(status == HV_EOK))
- break;
+ goto xcall_done;
+
+ /* If not these non-fatal errors, panic */
+ if (unlikely((status != HV_EWOULDBLOCK) &&
+ (status != HV_ECPUERROR) &&
+ (status != HV_ENOCPU)))
+ goto fatal_errors;
/* First, see if we made any forward progress.
*
+ * Go through the cpu_list, count the target cpus that have
+ * received our mondo (n_sent), and those that did not (rem).
+ * Re-pack cpu_list with the cpus remain to be retried in the
+ * front - this simplifies tracking the truly stalled cpus.
+ *
* The hypervisor indicates successful sends by setting
* cpu list entries to the value 0xffff.
+ *
+ * EWOULDBLOCK means some target cpus did not receive the
+ * mondo and retry usually helps.
+ *
+ * ECPUERROR means at least one target cpu is in error state,
+ * it's usually safe to skip the faulty cpu and retry.
+ *
+ * ENOCPU means one of the target cpu doesn't belong to the
+ * domain, perhaps offlined which is unexpected, but not
+ * fatal and it's okay to skip the offlined cpu.
*/
+ rem = 0;
n_sent = 0;
for (i = 0; i < cnt; i++) {
- if (likely(cpu_list[i] == 0xffff))
+ cpu = cpu_list[i];
+ if (likely(cpu == 0xffff)) {
n_sent++;
+ } else if ((status == HV_ECPUERROR) &&
+ (sun4v_cpu_state(cpu) == HV_CPU_STATE_ERROR)) {
+ ecpuerror_id = cpu + 1;
+ } else if (status == HV_ENOCPU && !cpu_online(cpu)) {
+ enocpu_id = cpu + 1;
+ } else {
+ cpu_list[rem++] = cpu;
+ }
}
- forward_progress = 0;
- if (n_sent > prev_sent)
- forward_progress = 1;
+ /* No cpu remained, we're done. */
+ if (rem == 0)
+ break;
+ /* Otherwise, update the cpu count for retry. */
+ cnt = rem;
+
+ /* Record the overall number of mondos received by the
+ * first of the remaining cpus.
+ */
+ if (first_cpu != cpu_list[0]) {
+ first_cpu = cpu_list[0];
+ xc_rcvd = CPU_MONDO_COUNTER(first_cpu);
+ }
+
+ /* Was any mondo delivered successfully? */
+ mondo_delivered = (n_sent > prev_sent);
prev_sent = n_sent;
- /* If we get a HV_ECPUERROR, then one or more of the cpus
- * in the list are in error state. Use the cpu_state()
- * hypervisor call to find out which cpus are in error state.
+ /* or, was any target cpu busy processing other mondos? */
+ target_cpu_busy = (xc_rcvd < CPU_MONDO_COUNTER(first_cpu));
+ xc_rcvd = CPU_MONDO_COUNTER(first_cpu);
+
+ /* Retry count is for no progress. If we're making progress,
+ * reset the retry count.
*/
- if (unlikely(status == HV_ECPUERROR)) {
- for (i = 0; i < cnt; i++) {
- long err;
- u16 cpu;
-
- cpu = cpu_list[i];
- if (cpu == 0xffff)
- continue;
-
- err = sun4v_cpu_state(cpu);
- if (err == HV_CPU_STATE_ERROR) {
- saw_cpu_error = (cpu + 1);
- cpu_list[i] = 0xffff;
- }
- }
- } else if (unlikely(status != HV_EWOULDBLOCK))
- goto fatal_mondo_error;
-
- /* Don't bother rewriting the CPU list, just leave the
- * 0xffff and non-0xffff entries in there and the
- * hypervisor will do the right thing.
- *
- * Only advance timeout state if we didn't make any
- * forward progress.
- */
- if (unlikely(!forward_progress)) {
- if (unlikely(++retries > 10000))
- goto fatal_mondo_timeout;
-
- /* Delay a little bit to let other cpus catch up
- * on their cpu mondo queue work.
- */
- udelay(2 * cnt);
+ if (likely(mondo_delivered || target_cpu_busy)) {
+ tot_retries += retries;
+ retries = 0;
+ } else if (unlikely(retries > MONDO_RETRY_LIMIT)) {
+ goto fatal_mondo_timeout;
}
+
+ /* Delay a little bit to let other cpus catch up on
+ * their cpu mondo queue work.
+ */
+ if (!mondo_delivered)
+ udelay(usec_wait);
+
+ retries++;
} while (1);
- if (unlikely(saw_cpu_error))
- goto fatal_mondo_cpu_error;
-
+xcall_done:
+ if (unlikely(ecpuerror_id > 0)) {
+ pr_crit("CPU[%d]: SUN4V mondo cpu error, target cpu(%d) was in error state\n",
+ this_cpu, ecpuerror_id - 1);
+ } else if (unlikely(enocpu_id > 0)) {
+ pr_crit("CPU[%d]: SUN4V mondo cpu error, target cpu(%d) does not belong to the domain\n",
+ this_cpu, enocpu_id - 1);
+ }
return;
-fatal_mondo_cpu_error:
- printk(KERN_CRIT "CPU[%d]: SUN4V mondo cpu error, some target cpus "
- "(including %d) were in error state\n",
- this_cpu, saw_cpu_error - 1);
- return;
+fatal_errors:
+ /* fatal errors include bad alignment, etc */
+ pr_crit("CPU[%d]: Args were cnt(%d) cpulist_pa(%lx) mondo_block_pa(%lx)\n",
+ this_cpu, tot_cpus, tb->cpu_list_pa, tb->cpu_mondo_block_pa);
+ panic("Unexpected SUN4V mondo error %lu\n", status);
fatal_mondo_timeout:
- printk(KERN_CRIT "CPU[%d]: SUN4V mondo timeout, no forward "
- " progress after %d retries.\n",
- this_cpu, retries);
- goto dump_cpu_list_and_out;
-
-fatal_mondo_error:
- printk(KERN_CRIT "CPU[%d]: Unexpected SUN4V mondo error %lu\n",
- this_cpu, status);
- printk(KERN_CRIT "CPU[%d]: Args were cnt(%d) cpulist_pa(%lx) "
- "mondo_block_pa(%lx)\n",
- this_cpu, cnt, tb->cpu_list_pa, tb->cpu_mondo_block_pa);
-
-dump_cpu_list_and_out:
- printk(KERN_CRIT "CPU[%d]: CPU list [ ", this_cpu);
- for (i = 0; i < cnt; i++)
- printk("%u ", cpu_list[i]);
- printk("]\n");
+ /* some cpus being non-responsive to the cpu mondo */
+ pr_crit("CPU[%d]: SUN4V mondo timeout, cpu(%d) made no forward progress after %d retries. Total target cpus(%d).\n",
+ this_cpu, first_cpu, (tot_retries + retries), tot_cpus);
+ panic("SUN4V mondo timeout panic\n");
}
static void (*xcall_deliver_impl)(struct trap_per_cpu *, int);
diff --git a/arch/sparc/kernel/sun4v_ivec.S b/arch/sparc/kernel/sun4v_ivec.S
index 559bc5e..3463199 100644
--- a/arch/sparc/kernel/sun4v_ivec.S
+++ b/arch/sparc/kernel/sun4v_ivec.S
@@ -26,6 +26,21 @@
ldxa [%g0] ASI_SCRATCHPAD, %g4
sub %g4, TRAP_PER_CPU_FAULT_INFO, %g4
+ /* Get smp_processor_id() into %g3 */
+ sethi %hi(trap_block), %g5
+ or %g5, %lo(trap_block), %g5
+ sub %g4, %g5, %g3
+ srlx %g3, TRAP_BLOCK_SZ_SHIFT, %g3
+
+ /* Increment cpu_mondo_counter[smp_processor_id()] */
+ sethi %hi(cpu_mondo_counter), %g5
+ or %g5, %lo(cpu_mondo_counter), %g5
+ sllx %g3, 3, %g3
+ add %g5, %g3, %g5
+ ldx [%g5], %g3
+ add %g3, 1, %g3
+ stx %g3, [%g5]
+
/* Get CPU mondo queue base phys address into %g7. */
ldx [%g4 + TRAP_PER_CPU_CPU_MONDO_PA], %g7
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index cc97a43..d883c59 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -2659,6 +2659,7 @@
}
}
+u64 cpu_mondo_counter[NR_CPUS] = {0};
struct trap_per_cpu trap_block[NR_CPUS];
EXPORT_SYMBOL(trap_block);
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index 395ec18..7d961f6 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -375,6 +375,7 @@
* %o1: TSB base config pointer
* %o2: TSB huge config pointer, or NULL if none
* %o3: Hypervisor TSB descriptor physical address
+ * %o4: Secondary context to load, if non-zero
*
* We have to run this whole thing with interrupts
* disabled so that the current cpu doesn't change
@@ -387,6 +388,17 @@
rdpr %pstate, %g1
wrpr %g1, PSTATE_IE, %pstate
+ brz,pn %o4, 1f
+ mov SECONDARY_CONTEXT, %o5
+
+661: stxa %o4, [%o5] ASI_DMMU
+ .section .sun4v_1insn_patch, "ax"
+ .word 661b
+ stxa %o4, [%o5] ASI_MMU
+ .previous
+ flush %g6
+
+1:
TRAP_LOAD_TRAP_BLOCK(%g2, %g3)
stx %o0, [%g2 + TRAP_PER_CPU_PGD_PADDR]
diff --git a/arch/sparc/power/hibernate.c b/arch/sparc/power/hibernate.c
index 17bd2e1..df707a8 100644
--- a/arch/sparc/power/hibernate.c
+++ b/arch/sparc/power/hibernate.c
@@ -35,6 +35,5 @@
{
struct mm_struct *mm = current->active_mm;
- load_secondary_context(mm);
- tsb_context_switch(mm);
+ tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context));
}
diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 318b846..06ceddb 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -14,6 +14,7 @@
#include <linux/types.h>
#include "ctype.h"
+#include "string.h"
int memcmp(const void *s1, const void *s2, size_t len)
{
diff --git a/arch/x86/boot/string.h b/arch/x86/boot/string.h
index 725e820..113588d 100644
--- a/arch/x86/boot/string.h
+++ b/arch/x86/boot/string.h
@@ -18,4 +18,13 @@
#define memset(d,c,l) __builtin_memset(d,c,l)
#define memcmp __builtin_memcmp
+extern int strcmp(const char *str1, const char *str2);
+extern int strncmp(const char *cs, const char *ct, size_t count);
+extern size_t strlen(const char *s);
+extern char *strstr(const char *s1, const char *s2);
+extern size_t strnlen(const char *s, size_t maxlen);
+extern unsigned int atou(const char *s);
+extern unsigned long long simple_strtoull(const char *cp, char **endp,
+ unsigned int base);
+
#endif /* BOOT_STRING_H */
diff --git a/arch/x86/crypto/sha1_avx2_x86_64_asm.S b/arch/x86/crypto/sha1_avx2_x86_64_asm.S
index 1cd792d..1eab79c 100644
--- a/arch/x86/crypto/sha1_avx2_x86_64_asm.S
+++ b/arch/x86/crypto/sha1_avx2_x86_64_asm.S
@@ -117,11 +117,10 @@
.set T1, REG_T1
.endm
-#define K_BASE %r8
#define HASH_PTR %r9
+#define BLOCKS_CTR %r8
#define BUFFER_PTR %r10
#define BUFFER_PTR2 %r13
-#define BUFFER_END %r11
#define PRECALC_BUF %r14
#define WK_BUF %r15
@@ -205,14 +204,14 @@
* blended AVX2 and ALU instruction scheduling
* 1 vector iteration per 8 rounds
*/
- vmovdqu ((i * 2) + PRECALC_OFFSET)(BUFFER_PTR), W_TMP
+ vmovdqu (i * 2)(BUFFER_PTR), W_TMP
.elseif ((i & 7) == 1)
- vinsertf128 $1, (((i-1) * 2)+PRECALC_OFFSET)(BUFFER_PTR2),\
+ vinsertf128 $1, ((i-1) * 2)(BUFFER_PTR2),\
WY_TMP, WY_TMP
.elseif ((i & 7) == 2)
vpshufb YMM_SHUFB_BSWAP, WY_TMP, WY
.elseif ((i & 7) == 4)
- vpaddd K_XMM(K_BASE), WY, WY_TMP
+ vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
.elseif ((i & 7) == 7)
vmovdqu WY_TMP, PRECALC_WK(i&~7)
@@ -255,7 +254,7 @@
vpxor WY, WY_TMP, WY_TMP
.elseif ((i & 7) == 7)
vpxor WY_TMP2, WY_TMP, WY
- vpaddd K_XMM(K_BASE), WY, WY_TMP
+ vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
vmovdqu WY_TMP, PRECALC_WK(i&~7)
PRECALC_ROTATE_WY
@@ -291,7 +290,7 @@
vpsrld $30, WY, WY
vpor WY, WY_TMP, WY
.elseif ((i & 7) == 7)
- vpaddd K_XMM(K_BASE), WY, WY_TMP
+ vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
vmovdqu WY_TMP, PRECALC_WK(i&~7)
PRECALC_ROTATE_WY
@@ -446,6 +445,16 @@
.endm
+/* Add constant only if (%2 > %3) condition met (uses RTA as temp)
+ * %1 + %2 >= %3 ? %4 : 0
+ */
+.macro ADD_IF_GE a, b, c, d
+ mov \a, RTA
+ add $\d, RTA
+ cmp $\c, \b
+ cmovge RTA, \a
+.endm
+
/*
* macro implements 80 rounds of SHA-1, for multiple blocks with s/w pipelining
*/
@@ -463,13 +472,16 @@
lea (2*4*80+32)(%rsp), WK_BUF
# Precalc WK for first 2 blocks
- PRECALC_OFFSET = 0
+ ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 2, 64
.set i, 0
.rept 160
PRECALC i
.set i, i + 1
.endr
- PRECALC_OFFSET = 128
+
+ /* Go to next block if needed */
+ ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 3, 128
+ ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128
xchg WK_BUF, PRECALC_BUF
.align 32
@@ -479,8 +491,8 @@
* we use K_BASE value as a signal of a last block,
* it is set below by: cmovae BUFFER_PTR, K_BASE
*/
- cmp K_BASE, BUFFER_PTR
- jne _begin
+ test BLOCKS_CTR, BLOCKS_CTR
+ jnz _begin
.align 32
jmp _end
.align 32
@@ -512,10 +524,10 @@
.set j, j+2
.endr
- add $(2*64), BUFFER_PTR /* move to next odd-64-byte block */
- cmp BUFFER_END, BUFFER_PTR /* is current block the last one? */
- cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */
-
+ /* Update Counter */
+ sub $1, BLOCKS_CTR
+ /* Move to the next block only if needed*/
+ ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 4, 128
/*
* rounds
* 60,62,64,66,68
@@ -532,8 +544,8 @@
UPDATE_HASH 12(HASH_PTR), D
UPDATE_HASH 16(HASH_PTR), E
- cmp K_BASE, BUFFER_PTR /* is current block the last one? */
- je _loop
+ test BLOCKS_CTR, BLOCKS_CTR
+ jz _loop
mov TB, B
@@ -575,10 +587,10 @@
.set j, j+2
.endr
- add $(2*64), BUFFER_PTR2 /* move to next even-64-byte block */
-
- cmp BUFFER_END, BUFFER_PTR2 /* is current block the last one */
- cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */
+ /* update counter */
+ sub $1, BLOCKS_CTR
+ /* Move to the next block only if needed*/
+ ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128
jmp _loop3
_loop3:
@@ -641,19 +653,12 @@
avx2_zeroupper
- lea K_XMM_AR(%rip), K_BASE
-
+ /* Setup initial values */
mov CTX, HASH_PTR
mov BUF, BUFFER_PTR
- lea 64(BUF), BUFFER_PTR2
- shl $6, CNT /* mul by 64 */
- add BUF, CNT
- add $64, CNT
- mov CNT, BUFFER_END
-
- cmp BUFFER_END, BUFFER_PTR2
- cmovae K_BASE, BUFFER_PTR2
+ mov BUF, BUFFER_PTR2
+ mov CNT, BLOCKS_CTR
xmm_mov BSWAP_SHUFB_CTL(%rip), YMM_SHUFB_BSWAP
diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c
index 7de207a..dd14616 100644
--- a/arch/x86/crypto/sha1_ssse3_glue.c
+++ b/arch/x86/crypto/sha1_ssse3_glue.c
@@ -201,7 +201,7 @@
static bool avx2_usable(void)
{
- if (false && avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
+ if (avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
&& boot_cpu_has(X86_FEATURE_BMI1)
&& boot_cpu_has(X86_FEATURE_BMI2))
return true;
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index b714b2eb..6f7394f 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -1224,6 +1224,8 @@
* other IST entries.
*/
+ ASM_CLAC
+
/* Use %rdx as our temp variable throughout */
pushq %rdx
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 07cf288..bcd3d61 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -247,11 +247,11 @@
/*
* This is the base location for PIE (ET_DYN with INTERP) loads. On
- * 64-bit, this is raised to 4GB to leave the entire 32-bit address
+ * 64-bit, this is above 4GB to leave the entire 32-bit address
* space open for things that want to use the area for 32-bit pointers.
*/
#define ELF_ET_DYN_BASE (mmap_is_ia32() ? 0x000400000UL : \
- 0x100000000UL)
+ (TASK_SIZE / 3 * 2))
/* This yields a mask that user programs can use to figure out what
instruction set this CPU supports. This could be done in user space,
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index de25aad..9016b4b 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -304,13 +304,13 @@
static inline void outs##bwl(int port, const void *addr, unsigned long count) \
{ \
asm volatile("rep; outs" #bwl \
- : "+S"(addr), "+c"(count) : "d"(port)); \
+ : "+S"(addr), "+c"(count) : "d"(port) : "memory"); \
} \
\
static inline void ins##bwl(int port, void *addr, unsigned long count) \
{ \
asm volatile("rep; ins" #bwl \
- : "+D"(addr), "+c"(count) : "d"(port)); \
+ : "+D"(addr), "+c"(count) : "d"(port) : "memory"); \
}
BUILDIO(b, b, char)
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 62aca44..2116176 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -682,6 +682,9 @@
const char *name = th_names[bank];
int err = 0;
+ if (!dev)
+ return -ENODEV;
+
if (is_shared_bank(bank)) {
nb = node_to_amd_nb(amd_get_nb_id(cpu));
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index cec49ec..32187f8 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -151,6 +151,8 @@
if (hlist_unhashed(&n.link))
break;
+ rcu_irq_exit();
+
if (!n.halted) {
local_irq_enable();
schedule();
@@ -159,11 +161,11 @@
/*
* We cannot reschedule. So halt.
*/
- rcu_irq_exit();
native_safe_halt();
local_irq_disable();
- rcu_irq_enter();
}
+
+ rcu_irq_enter();
}
if (!n.halted)
finish_wait(&n.wq, &wait);
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 0c04688..52154ef 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -245,6 +245,9 @@
u8 *ihash = ohash + crypto_ahash_digestsize(auth);
u32 tmp[2];
+ if (!authsize)
+ goto decrypt;
+
/* Move high-order bits of sequence number back. */
scatterwalk_map_and_copy(tmp, dst, 4, 4, 0);
scatterwalk_map_and_copy(tmp + 1, dst, assoclen + cryptlen, 4, 0);
@@ -253,6 +256,8 @@
if (crypto_memneq(ihash, ohash, authsize))
return -EBADMSG;
+decrypt:
+
sg_init_table(areq_ctx->dst, 2);
dst = scatterwalk_ffwd(areq_ctx->dst, dst, assoclen);
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index eac4f3b..bb81cd0 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -1067,6 +1067,7 @@
if (list_empty(&ghes_sci))
unregister_acpi_hed_notifier(&ghes_notifier_sci);
mutex_unlock(&ghes_list_mutex);
+ synchronize_rcu();
break;
case ACPI_HEST_NOTIFY_NMI:
ghes_nmi_remove(ghes);
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 5ea5dc2..73c9c7fa 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -98,7 +98,15 @@
if (check_children && list_empty(&adev->children))
return -ENODEV;
- return sta_present ? FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE;
+ /*
+ * If the device has a _HID (or _CID) returning a valid ACPI/PNP
+ * device ID, it is better to make it look less attractive here, so that
+ * the other device with the same _ADR value (that may not have a valid
+ * device ID) can be matched going forward. [This means a second spec
+ * violation in a row, so whatever we do here is best effort anyway.]
+ */
+ return sta_present && list_empty(&adev->pnp.ids) ?
+ FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE;
}
struct acpi_device *acpi_find_child_device(struct acpi_device *parent,
diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c
index ccdc8db..fa2cf2dc 100644
--- a/drivers/acpi/ioapic.c
+++ b/drivers/acpi/ioapic.c
@@ -45,6 +45,12 @@
struct resource *res = data;
struct resource_win win;
+ /*
+ * We might assign this to 'res' later, make sure all pointers are
+ * cleared before the resource is added to the global list
+ */
+ memset(&win, 0, sizeof(win));
+
res->flags = 0;
if (acpi_dev_filter_resource_type(acpi_res, IORESOURCE_MEM) == 0)
return AE_OK;
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index a938ea7..b017e068 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2285,11 +2285,10 @@
tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
list_add_tail(&tcomplete->entry, &thread->todo);
if (target_wait) {
- if (reply || !(t->flags & TF_ONE_WAY)) {
+ if (reply || !(t->flags & TF_ONE_WAY))
wake_up_interruptible_sync(target_wait);
- } else {
+ else
wake_up_interruptible(target_wait);
- }
}
return;
@@ -3487,7 +3486,7 @@
const char *failure_string;
struct binder_buffer *buffer;
- if (proc->tsk != current)
+ if (proc->tsk != current->group_leader)
return -EINVAL;
if ((vma->vm_end - vma->vm_start) > SZ_4M)
@@ -3593,8 +3592,8 @@
proc = kzalloc(sizeof(*proc), GFP_KERNEL);
if (proc == NULL)
return -ENOMEM;
- get_task_struct(current);
- proc->tsk = current;
+ get_task_struct(current->group_leader);
+ proc->tsk = current->group_leader;
INIT_LIST_HEAD(&proc->todo);
init_waitqueue_head(&proc->wait);
proc->default_priority = task_nice(current);
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index e417e1a..5b2aee83 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2832,10 +2832,12 @@
static struct ata_device *ata_find_dev(struct ata_port *ap, int devno)
{
if (!sata_pmp_attached(ap)) {
- if (likely(devno < ata_link_max_devices(&ap->link)))
+ if (likely(devno >= 0 &&
+ devno < ata_link_max_devices(&ap->link)))
return &ap->link.device[devno];
} else {
- if (likely(devno < ap->nr_pmp_links))
+ if (likely(devno >= 0 &&
+ devno < ap->nr_pmp_links))
return &ap->pmp_link[devno].device[0];
}
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 272f53c..e5e837a 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1083,7 +1083,6 @@
}
dev->power.subsys_data->domain_data = &gpd_data->base;
- dev->pm_domain = &genpd->domain;
spin_unlock_irq(&dev->power.lock);
@@ -1102,7 +1101,6 @@
{
spin_lock_irq(&dev->power.lock);
- dev->pm_domain = NULL;
dev->power.subsys_data->domain_data = NULL;
spin_unlock_irq(&dev->power.lock);
@@ -1143,6 +1141,8 @@
if (ret)
goto out;
+ dev->pm_domain = &genpd->domain;
+
genpd->device_count++;
genpd->max_off_time_changed = true;
@@ -1196,6 +1196,8 @@
if (genpd->detach_dev)
genpd->detach_dev(genpd, dev);
+ dev->pm_domain = NULL;
+
list_del_init(&pdd->list_node);
mutex_unlock(&genpd->lock);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ca35495..1e5cd39 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -641,11 +641,12 @@
if (err)
goto out_put_disk;
- q = vblk->disk->queue = blk_mq_init_queue(&vblk->tag_set);
+ q = blk_mq_init_queue(&vblk->tag_set);
if (IS_ERR(q)) {
err = -ENOMEM;
goto out_free_tags;
}
+ vblk->disk->queue = q;
q->queuedata = vblk;
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 41fb1a91..33e23a7 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -595,8 +595,6 @@
unsigned long timeout;
int ret;
- xen_blkif_get(blkif);
-
while (!kthread_should_stop()) {
if (try_to_freeze())
continue;
@@ -650,7 +648,6 @@
print_stats(blkif);
blkif->xenblkd = NULL;
- xen_blkif_put(blkif);
return 0;
}
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index f53cff4..9233082 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -221,7 +221,6 @@
if (blkif->xenblkd) {
kthread_stop(blkif->xenblkd);
wake_up(&blkif->shutdown_wq);
- blkif->xenblkd = NULL;
}
/* The above kthread_stop() guarantees that at this point we
@@ -266,9 +265,10 @@
static void xen_blkif_free(struct xen_blkif *blkif)
{
-
- xen_blkif_disconnect(blkif);
+ WARN_ON(xen_blkif_disconnect(blkif));
xen_vbd_free(&blkif->vbd);
+ kfree(blkif->be->mode);
+ kfree(blkif->be);
/* Make sure everything is drained before shutting down */
BUG_ON(blkif->persistent_gnt_c != 0);
@@ -445,8 +445,6 @@
xen_blkif_put(be->blkif);
}
- kfree(be->mode);
- kfree(be);
return 0;
}
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index 096f0cef..40d400f 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -1162,10 +1162,11 @@
ipmi_watchdog_state = WDOG_TIMEOUT_NONE;
ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB);
} else if (ipmi_watchdog_state != WDOG_TIMEOUT_NONE) {
- /* Set a long timer to let the reboot happens, but
- reboot if it hangs, but only if the watchdog
+ /* Set a long timer to let the reboot happen or
+ reset if it hangs, but only if the watchdog
timer was already running. */
- timeout = 120;
+ if (timeout < 120)
+ timeout = 120;
pretimeout = 0;
ipmi_watchdog_state = WDOG_TIMEOUT_RESET;
ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB);
diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
index 1d2dd23..e841520 100644
--- a/drivers/char/tpm/tpm-sysfs.c
+++ b/drivers/char/tpm/tpm-sysfs.c
@@ -38,6 +38,8 @@
struct tpm_chip *chip = to_tpm_chip(dev);
+ memset(&tpm_cmd, 0, sizeof(tpm_cmd));
+
tpm_cmd.header.in = tpm_readpubek_header;
err = tpm_transmit_cmd(chip, &tpm_cmd, READ_PUBEK_RESULT_SIZE, 0,
"attempting to read the PUBEK");
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
index 690e3b4..b36da3c 100644
--- a/drivers/dma/ioat/hw.h
+++ b/drivers/dma/ioat/hw.h
@@ -64,6 +64,8 @@
#define PCI_DEVICE_ID_INTEL_IOAT_BDX8 0x6f2e
#define PCI_DEVICE_ID_INTEL_IOAT_BDX9 0x6f2f
+#define PCI_DEVICE_ID_INTEL_IOAT_SKX 0x2021
+
#define IOAT_VER_1_2 0x12 /* Version 1.2 */
#define IOAT_VER_2_0 0x20 /* Version 2.0 */
#define IOAT_VER_3_0 0x30 /* Version 3.0 */
diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
index 4ef0c5e..abb75eb 100644
--- a/drivers/dma/ioat/init.c
+++ b/drivers/dma/ioat/init.c
@@ -105,6 +105,8 @@
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDX8) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BDX9) },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_SKX) },
+
/* I/OAT v3.3 platforms */
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD0) },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_IOAT_BWD1) },
@@ -250,10 +252,15 @@
}
}
+static inline bool is_skx_ioat(struct pci_dev *pdev)
+{
+ return (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_SKX) ? true : false;
+}
+
static bool is_xeon_cb32(struct pci_dev *pdev)
{
return is_jf_ioat(pdev) || is_snb_ioat(pdev) || is_ivb_ioat(pdev) ||
- is_hsw_ioat(pdev) || is_bdx_ioat(pdev);
+ is_hsw_ioat(pdev) || is_bdx_ioat(pdev) || is_skx_ioat(pdev);
}
bool is_bwd_ioat(struct pci_dev *pdev)
@@ -1350,6 +1357,8 @@
device->version = readb(device->reg_base + IOAT_VER_OFFSET);
if (device->version >= IOAT_VER_3_0) {
+ if (is_skx_ioat(pdev))
+ device->version = IOAT_VER_3_2;
err = ioat3_dma_probe(device, ioat_dca_enabled);
if (device->version >= IOAT_VER_3_3)
diff --git a/drivers/dma/ti-dma-crossbar.c b/drivers/dma/ti-dma-crossbar.c
index a415edb..149ec2b 100644
--- a/drivers/dma/ti-dma-crossbar.c
+++ b/drivers/dma/ti-dma-crossbar.c
@@ -146,6 +146,7 @@
match = of_match_node(ti_am335x_master_match, dma_node);
if (!match) {
dev_err(&pdev->dev, "DMA master is not supported\n");
+ of_node_put(dma_node);
return -EINVAL;
}
@@ -310,6 +311,7 @@
match = of_match_node(ti_dra7_master_match, dma_node);
if (!match) {
dev_err(&pdev->dev, "DMA master is not supported\n");
+ of_node_put(dma_node);
return -EINVAL;
}
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index d5b4d5a..ac1a126 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1529,6 +1529,9 @@
if (config->funcs->atomic_check)
ret = config->funcs->atomic_check(state->dev, state);
+ if (ret)
+ return ret;
+
if (!state->allow_modeset) {
for_each_crtc_in_state(state, crtc, crtc_state, i) {
if (drm_atomic_crtc_needs_modeset(crtc_state)) {
@@ -1539,7 +1542,7 @@
}
}
- return ret;
+ return 0;
}
EXPORT_SYMBOL(drm_atomic_check_only);
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index a3b54cc..b66ffd4 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -204,7 +204,14 @@
void adreno_flush(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
- uint32_t wptr = get_wptr(gpu->rb);
+ uint32_t wptr;
+
+ /*
+ * Mask wptr value that we calculate to fit in the HW range. This is
+ * to account for the possibility that the last command fit exactly into
+ * the ringbuffer and rb->next hasn't wrapped to zero yet
+ */
+ wptr = get_wptr(gpu->rb) & ((gpu->rb->size / 4) - 1);
/* ensure writes to ringbuffer have hit system memory: */
mb();
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index f2cc969..ed1efae 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -85,7 +85,8 @@
pagefault_disable();
}
- if (submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) {
+ if ((submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) ||
+ !(submit_bo.flags & MSM_SUBMIT_BO_FLAGS)) {
DRM_ERROR("invalid flags: %x\n", submit_bo.flags);
ret = -EINVAL;
goto out_unlock;
diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c
index 1f14b90..ae31727 100644
--- a/drivers/gpu/drm/msm/msm_ringbuffer.c
+++ b/drivers/gpu/drm/msm/msm_ringbuffer.c
@@ -23,7 +23,8 @@
struct msm_ringbuffer *ring;
int ret;
- size = ALIGN(size, 4); /* size should be dword aligned */
+ if (WARN_ON(!is_power_of_2(size)))
+ return ERR_PTR(-EINVAL);
ring = kzalloc(sizeof(*ring), GFP_KERNEL);
if (!ring) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
index c794b2c..6d8f212 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
@@ -129,7 +129,7 @@
if (bar->bar[0].mem) {
addr = nvkm_memory_addr(bar->bar[0].mem) >> 12;
- nvkm_wr32(device, 0x001714, 0xc0000000 | addr);
+ nvkm_wr32(device, 0x001714, 0x80000000 | addr);
}
return 0;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index 5aefc8a..5046864 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -148,8 +148,8 @@
rcar_du_group_write(rcrtc->group, rcrtc->index % 2 ? OTAR2 : OTAR, 0);
/* Signal polarities */
- value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? 0 : DSMR_VSL)
- | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : DSMR_HSL)
+ value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? DSMR_VSL : 0)
+ | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? DSMR_HSL : 0)
| DSMR_DIPM_DE | DSMR_CSPM;
rcar_du_crtc_write(rcrtc, DSMR, value);
@@ -171,7 +171,7 @@
mode->crtc_vsync_start - 1);
rcar_du_crtc_write(rcrtc, VCR, mode->crtc_vtotal - 1);
- rcar_du_crtc_write(rcrtc, DESR, mode->htotal - mode->hsync_start);
+ rcar_du_crtc_write(rcrtc, DESR, mode->htotal - mode->hsync_start - 1);
rcar_du_crtc_write(rcrtc, DEWR, mode->hdisplay);
}
@@ -282,26 +282,6 @@
* Page Flip
*/
-void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc,
- struct drm_file *file)
-{
- struct drm_pending_vblank_event *event;
- struct drm_device *dev = rcrtc->crtc.dev;
- unsigned long flags;
-
- /* Destroy the pending vertical blanking event associated with the
- * pending page flip, if any, and disable vertical blanking interrupts.
- */
- spin_lock_irqsave(&dev->event_lock, flags);
- event = rcrtc->event;
- if (event && event->base.file_priv == file) {
- rcrtc->event = NULL;
- kfree(&event->base);
- drm_crtc_vblank_put(&rcrtc->crtc);
- }
- spin_unlock_irqrestore(&dev->event_lock, flags);
-}
-
static void rcar_du_crtc_finish_page_flip(struct rcar_du_crtc *rcrtc)
{
struct drm_pending_vblank_event *event;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
index 4b95d9d..2bbe3f5 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
@@ -67,8 +67,6 @@
int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index);
void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable);
-void rcar_du_crtc_cancel_page_flip(struct rcar_du_crtc *rcrtc,
- struct drm_file *file);
void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc);
void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc);
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index c8e583b..ff44f97 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -144,91 +144,6 @@
* DRM operations
*/
-static int rcar_du_unload(struct drm_device *dev)
-{
- struct rcar_du_device *rcdu = dev->dev_private;
-
- if (rcdu->fbdev)
- drm_fbdev_cma_fini(rcdu->fbdev);
-
- drm_kms_helper_poll_fini(dev);
- drm_mode_config_cleanup(dev);
- drm_vblank_cleanup(dev);
-
- dev->irq_enabled = 0;
- dev->dev_private = NULL;
-
- return 0;
-}
-
-static int rcar_du_load(struct drm_device *dev, unsigned long flags)
-{
- struct platform_device *pdev = dev->platformdev;
- struct device_node *np = pdev->dev.of_node;
- struct rcar_du_device *rcdu;
- struct resource *mem;
- int ret;
-
- if (np == NULL) {
- dev_err(dev->dev, "no platform data\n");
- return -ENODEV;
- }
-
- rcdu = devm_kzalloc(&pdev->dev, sizeof(*rcdu), GFP_KERNEL);
- if (rcdu == NULL) {
- dev_err(dev->dev, "failed to allocate private data\n");
- return -ENOMEM;
- }
-
- init_waitqueue_head(&rcdu->commit.wait);
-
- rcdu->dev = &pdev->dev;
- rcdu->info = of_match_device(rcar_du_of_table, rcdu->dev)->data;
- rcdu->ddev = dev;
- dev->dev_private = rcdu;
-
- /* I/O resources */
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);
- if (IS_ERR(rcdu->mmio))
- return PTR_ERR(rcdu->mmio);
-
- /* Initialize vertical blanking interrupts handling. Start with vblank
- * disabled for all CRTCs.
- */
- ret = drm_vblank_init(dev, (1 << rcdu->info->num_crtcs) - 1);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to initialize vblank\n");
- goto done;
- }
-
- /* DRM/KMS objects */
- ret = rcar_du_modeset_init(rcdu);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to initialize DRM/KMS (%d)\n", ret);
- goto done;
- }
-
- dev->irq_enabled = 1;
-
- platform_set_drvdata(pdev, rcdu);
-
-done:
- if (ret)
- rcar_du_unload(dev);
-
- return ret;
-}
-
-static void rcar_du_preclose(struct drm_device *dev, struct drm_file *file)
-{
- struct rcar_du_device *rcdu = dev->dev_private;
- unsigned int i;
-
- for (i = 0; i < rcdu->num_crtcs; ++i)
- rcar_du_crtc_cancel_page_flip(&rcdu->crtcs[i], file);
-}
-
static void rcar_du_lastclose(struct drm_device *dev)
{
struct rcar_du_device *rcdu = dev->dev_private;
@@ -267,11 +182,7 @@
static struct drm_driver rcar_du_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME
| DRIVER_ATOMIC,
- .load = rcar_du_load,
- .unload = rcar_du_unload,
- .preclose = rcar_du_preclose,
.lastclose = rcar_du_lastclose,
- .set_busid = drm_platform_set_busid,
.get_vblank_counter = drm_vblank_no_hw_counter,
.enable_vblank = rcar_du_enable_vblank,
.disable_vblank = rcar_du_disable_vblank,
@@ -331,20 +242,106 @@
* Platform driver
*/
-static int rcar_du_probe(struct platform_device *pdev)
-{
- return drm_platform_init(&rcar_du_driver, pdev);
-}
-
static int rcar_du_remove(struct platform_device *pdev)
{
struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
+ struct drm_device *ddev = rcdu->ddev;
- drm_put_dev(rcdu->ddev);
+ mutex_lock(&ddev->mode_config.mutex);
+ drm_connector_unplug_all(ddev);
+ mutex_unlock(&ddev->mode_config.mutex);
+
+ drm_dev_unregister(ddev);
+
+ if (rcdu->fbdev)
+ drm_fbdev_cma_fini(rcdu->fbdev);
+
+ drm_kms_helper_poll_fini(ddev);
+ drm_mode_config_cleanup(ddev);
+
+ drm_dev_unref(ddev);
return 0;
}
+static int rcar_du_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct rcar_du_device *rcdu;
+ struct drm_connector *connector;
+ struct drm_device *ddev;
+ struct resource *mem;
+ int ret;
+
+ if (np == NULL) {
+ dev_err(&pdev->dev, "no device tree node\n");
+ return -ENODEV;
+ }
+
+ /* Allocate and initialize the DRM and R-Car device structures. */
+ rcdu = devm_kzalloc(&pdev->dev, sizeof(*rcdu), GFP_KERNEL);
+ if (rcdu == NULL)
+ return -ENOMEM;
+
+ init_waitqueue_head(&rcdu->commit.wait);
+
+ rcdu->dev = &pdev->dev;
+ rcdu->info = of_match_device(rcar_du_of_table, rcdu->dev)->data;
+
+ platform_set_drvdata(pdev, rcdu);
+
+ /* I/O resources */
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);
+ if (IS_ERR(rcdu->mmio))
+ return PTR_ERR(rcdu->mmio);
+
+ /* DRM/KMS objects */
+ ddev = drm_dev_alloc(&rcar_du_driver, &pdev->dev);
+ if (!ddev)
+ return -ENOMEM;
+
+ drm_dev_set_unique(ddev, dev_name(&pdev->dev));
+
+ rcdu->ddev = ddev;
+ ddev->dev_private = rcdu;
+
+ ret = rcar_du_modeset_init(rcdu);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to initialize DRM/KMS (%d)\n", ret);
+ goto error;
+ }
+
+ ddev->irq_enabled = 1;
+
+ /* Register the DRM device with the core and the connectors with
+ * sysfs.
+ */
+ ret = drm_dev_register(ddev, 0);
+ if (ret)
+ goto error;
+
+ mutex_lock(&ddev->mode_config.mutex);
+ drm_for_each_connector(connector, ddev) {
+ ret = drm_connector_register(connector);
+ if (ret < 0)
+ break;
+ }
+ mutex_unlock(&ddev->mode_config.mutex);
+
+ if (ret < 0)
+ goto error;
+
+ DRM_INFO("Device %s probed\n", dev_name(&pdev->dev));
+
+ return 0;
+
+error:
+ rcar_du_remove(pdev);
+
+ return ret;
+}
+
static struct platform_driver rcar_du_platform_driver = {
.probe = rcar_du_probe,
.remove = rcar_du_remove,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
index 96f2eb4..6038be9 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c
@@ -55,12 +55,6 @@
.best_encoder = rcar_du_connector_best_encoder,
};
-static void rcar_du_hdmi_connector_destroy(struct drm_connector *connector)
-{
- drm_connector_unregister(connector);
- drm_connector_cleanup(connector);
-}
-
static enum drm_connector_status
rcar_du_hdmi_connector_detect(struct drm_connector *connector, bool force)
{
@@ -79,7 +73,7 @@
.reset = drm_atomic_helper_connector_reset,
.detect = rcar_du_hdmi_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = rcar_du_hdmi_connector_destroy,
+ .destroy = drm_connector_cleanup,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
@@ -108,9 +102,6 @@
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
- ret = drm_connector_register(connector);
- if (ret < 0)
- return ret;
connector->dpms = DRM_MODE_DPMS_OFF;
drm_object_property_set_value(&connector->base,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 5c34a84..7a0d7962 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -642,13 +642,13 @@
}
ret = rcar_du_encoder_init(rcdu, enc_type, output, encoder, connector);
- of_node_put(encoder);
- of_node_put(connector);
-
if (ret && ret != -EPROBE_DEFER)
dev_warn(rcdu->dev,
- "failed to initialize encoder %s (%d), skipping\n",
- encoder->full_name, ret);
+ "failed to initialize encoder %s on output %u (%d), skipping\n",
+ of_node_full_name(encoder), output, ret);
+
+ of_node_put(encoder);
+ of_node_put(connector);
return ret;
}
@@ -761,6 +761,13 @@
if (ret < 0)
return ret;
+ /* Initialize vertical blanking interrupts handling. Start with vblank
+ * disabled for all CRTCs.
+ */
+ ret = drm_vblank_init(dev, (1 << rcdu->info->num_crtcs) - 1);
+ if (ret < 0)
+ return ret;
+
/* Initialize the groups. */
num_groups = DIV_ROUND_UP(rcdu->num_crtcs, 2);
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
index 0c43032..e905f5d 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
@@ -62,12 +62,6 @@
.best_encoder = rcar_du_connector_best_encoder,
};
-static void rcar_du_lvds_connector_destroy(struct drm_connector *connector)
-{
- drm_connector_unregister(connector);
- drm_connector_cleanup(connector);
-}
-
static enum drm_connector_status
rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force)
{
@@ -79,7 +73,7 @@
.reset = drm_atomic_helper_connector_reset,
.detect = rcar_du_lvds_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = rcar_du_lvds_connector_destroy,
+ .destroy = drm_connector_cleanup,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
@@ -117,9 +111,6 @@
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
- ret = drm_connector_register(connector);
- if (ret < 0)
- return ret;
connector->dpms = DRM_MODE_DPMS_OFF;
drm_object_property_set_value(&connector->base,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
index 85043c5..873e04a 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
@@ -56,11 +56,11 @@
return ret;
/* PLL clock configuration */
- if (freq <= 38000)
+ if (freq < 39000)
pllcr = LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_38M;
- else if (freq <= 60000)
+ else if (freq < 61000)
pllcr = LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_60M;
- else if (freq <= 121000)
+ else if (freq < 121000)
pllcr = LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_121M;
else
pllcr = LVDPLLCR_PLLDLYCNT_150M;
@@ -102,7 +102,7 @@
/* Turn the PLL on, wait for the startup delay, and turn the output
* on.
*/
- lvdcr0 |= LVDCR0_PLLEN;
+ lvdcr0 |= LVDCR0_PLLON;
rcar_lvds_write(lvds, LVDCR0, lvdcr0);
usleep_range(100, 150);
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c
index e0a5d8f..9d7e5c9 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c
@@ -31,12 +31,6 @@
.best_encoder = rcar_du_connector_best_encoder,
};
-static void rcar_du_vga_connector_destroy(struct drm_connector *connector)
-{
- drm_connector_unregister(connector);
- drm_connector_cleanup(connector);
-}
-
static enum drm_connector_status
rcar_du_vga_connector_detect(struct drm_connector *connector, bool force)
{
@@ -48,7 +42,7 @@
.reset = drm_atomic_helper_connector_reset,
.detect = rcar_du_vga_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = rcar_du_vga_connector_destroy,
+ .destroy = drm_connector_cleanup,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
@@ -76,9 +70,6 @@
return ret;
drm_connector_helper_add(connector, &connector_helper_funcs);
- ret = drm_connector_register(connector);
- if (ret < 0)
- return ret;
connector->dpms = DRM_MODE_DPMS_OFF;
drm_object_property_set_value(&connector->base,
diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h b/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h
index 77cf928..b1eafd0 100644
--- a/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h
+++ b/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h
@@ -18,7 +18,7 @@
#define LVDCR0_DMD (1 << 12)
#define LVDCR0_LVMD_MASK (0xf << 8)
#define LVDCR0_LVMD_SHIFT 8
-#define LVDCR0_PLLEN (1 << 4)
+#define LVDCR0_PLLON (1 << 4)
#define LVDCR0_BEN (1 << 2)
#define LVDCR0_LVEN (1 << 1)
#define LVDCR0_LVRES (1 << 0)
diff --git a/drivers/gpu/drm/virtio/virtgpu_fb.c b/drivers/gpu/drm/virtio/virtgpu_fb.c
index a1addfe..b0c621a 100644
--- a/drivers/gpu/drm/virtio/virtgpu_fb.c
+++ b/drivers/gpu/drm/virtio/virtgpu_fb.c
@@ -337,7 +337,7 @@
info->fbops = &virtio_gpufb_ops;
info->pixmap.flags = FB_PIXMAP_SYSTEM;
- info->screen_base = obj->vmap;
+ info->screen_buffer = obj->vmap;
info->screen_size = obj->gem_base.size;
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
drm_fb_helper_fill_var(info, &vfbdev->helper,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index ecf15cf..04fd0f2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -471,7 +471,7 @@
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
- return capable(CAP_SYS_ADMIN) ? : -EINVAL;
+ return -EINVAL;
}
static int vmw_cmd_ok(struct vmw_private *dev_priv,
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 8f8d619..edfefc0 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2482,6 +2482,7 @@
{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index bd96a58..8df6eac 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -783,6 +783,9 @@
#define USB_VENDOR_ID_PETALYNX 0x18b1
#define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037
+#define USB_VENDOR_ID_PETZL 0x2122
+#define USB_DEVICE_ID_PETZL_HEADLAMP 0x1234
+
#define USB_VENDOR_ID_PHILIPS 0x0471
#define USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE 0x0617
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 6b00061c..a2ae221 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -294,7 +294,7 @@
#endif
#ifdef CONFIG_PM
-static int dw_i2c_plat_suspend(struct device *dev)
+static int dw_i2c_plat_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
@@ -318,11 +318,21 @@
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int dw_i2c_plat_suspend(struct device *dev)
+{
+ pm_runtime_resume(dev);
+ return dw_i2c_plat_runtime_suspend(dev);
+}
+#endif
+
static const struct dev_pm_ops dw_i2c_dev_pm_ops = {
.prepare = dw_i2c_plat_prepare,
.complete = dw_i2c_plat_complete,
SET_SYSTEM_SLEEP_PM_OPS(dw_i2c_plat_suspend, dw_i2c_plat_resume)
- SET_RUNTIME_PM_OPS(dw_i2c_plat_suspend, dw_i2c_plat_resume, NULL)
+ SET_RUNTIME_PM_OPS(dw_i2c_plat_runtime_suspend,
+ dw_i2c_plat_resume,
+ NULL)
};
#define DW_I2C_DEV_PMOPS (&dw_i2c_dev_pm_ops)
diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c
index f325663..4b58e8a 100644
--- a/drivers/i2c/busses/i2c-jz4780.c
+++ b/drivers/i2c/busses/i2c-jz4780.c
@@ -786,10 +786,6 @@
jz4780_i2c_writew(i2c, JZ4780_I2C_INTM, 0x0);
- i2c->cmd = 0;
- memset(i2c->cmd_buf, 0, BUFSIZE);
- memset(i2c->data_buf, 0, BUFSIZE);
-
i2c->irq = platform_get_irq(pdev, 0);
ret = devm_request_irq(&pdev->dev, i2c->irq, jz4780_i2c_irq, 0,
dev_name(&pdev->dev), i2c);
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index fa24d51..c712291 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -194,7 +194,6 @@
struct device *dev;
int irq;
struct bmc150_accel_interrupt interrupts[BMC150_ACCEL_INTERRUPTS];
- atomic_t active_intr;
struct bmc150_accel_trigger triggers[BMC150_ACCEL_TRIGGERS];
struct mutex mutex;
u8 fifo_mode, watermark;
@@ -489,11 +488,6 @@
goto out_fix_power_state;
}
- if (state)
- atomic_inc(&data->active_intr);
- else
- atomic_dec(&data->active_intr);
-
return 0;
out_fix_power_state:
@@ -1704,8 +1698,7 @@
struct bmc150_accel_data *data = iio_priv(indio_dev);
mutex_lock(&data->mutex);
- if (atomic_read(&data->active_intr))
- bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);
+ bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);
bmc150_accel_fifo_set_mode(data);
mutex_unlock(&data->mutex);
diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index b10f629..1dbc214 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -77,7 +77,7 @@
#define VF610_ADC_ADSTS_MASK 0x300
#define VF610_ADC_ADLPC_EN 0x80
#define VF610_ADC_ADHSC_EN 0x400
-#define VF610_ADC_REFSEL_VALT 0x100
+#define VF610_ADC_REFSEL_VALT 0x800
#define VF610_ADC_REFSEL_VBG 0x1000
#define VF610_ADC_ADTRG_HARD 0x2000
#define VF610_ADC_AVGS_8 0x4000
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index 0a86ef4..a8db38d 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -36,8 +36,6 @@
s32 poll_value = 0;
if (state) {
- if (!atomic_read(&st->user_requested_state))
- return 0;
if (sensor_hub_device_open(st->hsdev))
return -EIO;
@@ -84,6 +82,9 @@
&report_val);
}
+ pr_debug("HID_SENSOR %s set power_state %d report_state %d\n",
+ st->pdev->name, state_val, report_val);
+
sensor_hub_get_feature(st->hsdev, st->power_state.report_id,
st->power_state.index,
sizeof(state_val), &state_val);
@@ -107,6 +108,7 @@
ret = pm_runtime_get_sync(&st->pdev->dev);
else {
pm_runtime_mark_last_busy(&st->pdev->dev);
+ pm_runtime_use_autosuspend(&st->pdev->dev);
ret = pm_runtime_put_autosuspend(&st->pdev->dev);
}
if (ret < 0) {
@@ -175,8 +177,6 @@
/* Default to 3 seconds, but can be changed from sysfs */
pm_runtime_set_autosuspend_delay(&attrb->pdev->dev,
3000);
- pm_runtime_use_autosuspend(&attrb->pdev->dev);
-
return ret;
error_unreg_trigger:
iio_trigger_unregister(trig);
diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
index 2485b88..1880105 100644
--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -696,7 +696,7 @@
.gyro_max_val = IIO_RAD_TO_DEGREE(22500),
.gyro_max_scale = 450,
.accel_max_val = IIO_M_S_2_TO_G(12500),
- .accel_max_scale = 5,
+ .accel_max_scale = 10,
},
[ADIS16485] = {
.channels = adis16485_channels,
diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
index 12731d6..ec1b2e7 100644
--- a/drivers/iio/light/tsl2563.c
+++ b/drivers/iio/light/tsl2563.c
@@ -626,7 +626,7 @@
struct tsl2563_chip *chip = iio_priv(dev_info);
iio_push_event(dev_info,
- IIO_UNMOD_EVENT_CODE(IIO_LIGHT,
+ IIO_UNMOD_EVENT_CODE(IIO_INTENSITY,
0,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_EITHER),
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 9eca4b4..b7a73f1 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2287,8 +2287,9 @@
if (copy_from_user(&cmd, buf, sizeof cmd))
return -EFAULT;
- if (cmd.port_num < rdma_start_port(ib_dev) ||
- cmd.port_num > rdma_end_port(ib_dev))
+ if ((cmd.attr_mask & IB_QP_PORT) &&
+ (cmd.port_num < rdma_start_port(ib_dev) ||
+ cmd.port_num > rdma_end_port(ib_dev)))
return -EINVAL;
INIT_UDATA(&udata, buf + sizeof cmd, NULL, in_len - sizeof cmd,
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index b0edb66a..0b7f5a7 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -1581,7 +1581,7 @@
struct isert_conn *isert_conn,
u32 xfer_len)
{
- struct ib_device *ib_dev = isert_conn->cm_id->device;
+ struct ib_device *ib_dev = isert_conn->device->ib_device;
struct iscsi_hdr *hdr;
u64 rx_dma;
int rx_buflen;
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 855e985..4ec42d5 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1330,7 +1330,12 @@
{ "ELAN0000", 0 },
{ "ELAN0100", 0 },
{ "ELAN0600", 0 },
+ { "ELAN0602", 0 },
{ "ELAN0605", 0 },
+ { "ELAN0608", 0 },
+ { "ELAN0605", 0 },
+ { "ELAN0609", 0 },
+ { "ELAN060B", 0 },
{ "ELAN1000", 0 },
{ }
};
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 4e1c23a..94bff41 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -265,7 +265,8 @@
if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID)))
return -1;
- if (param[0] != TP_MAGIC_IDENT)
+ /* add new TP ID. */
+ if (!(param[0] & TP_MAGIC_IDENT))
return -1;
if (firmware_id)
diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 5617ed3..8805575 100644
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -21,8 +21,9 @@
#define TP_COMMAND 0xE2 /* Commands start with this */
#define TP_READ_ID 0xE1 /* Sent for device identification */
-#define TP_MAGIC_IDENT 0x01 /* Sent after a TP_READ_ID followed */
+#define TP_MAGIC_IDENT 0x03 /* Sent after a TP_READ_ID followed */
/* by the firmware ID */
+ /* Firmware ID includes 0x1, 0x2, 0x3 */
/*
diff --git a/drivers/irqchip/irq-atmel-aic-common.c b/drivers/irqchip/irq-atmel-aic-common.c
index 37199b9..831a195 100644
--- a/drivers/irqchip/irq-atmel-aic-common.c
+++ b/drivers/irqchip/irq-atmel-aic-common.c
@@ -148,9 +148,9 @@
struct device_node *np;
void __iomem *regs;
- np = of_find_compatible_node(root, NULL, "atmel,at91rm9200-rtc");
+ np = of_find_compatible_node(NULL, NULL, "atmel,at91rm9200-rtc");
if (!np)
- np = of_find_compatible_node(root, NULL,
+ np = of_find_compatible_node(NULL, NULL,
"atmel,at91sam9x5-rtc");
if (!np)
@@ -202,7 +202,6 @@
return;
match = of_match_node(matches, root);
- of_node_put(root);
if (match) {
void (*fixup)(struct device_node *) = match->data;
diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c
index deb89d6..e684be1 100644
--- a/drivers/irqchip/irq-keystone.c
+++ b/drivers/irqchip/irq-keystone.c
@@ -19,9 +19,9 @@
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/interrupt.h>
#include <linux/irqdomain.h>
#include <linux/irqchip.h>
-#include <linux/irqchip/chained_irq.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/mfd/syscon.h>
@@ -39,6 +39,7 @@
struct irq_domain *irqd;
struct regmap *devctrl_regs;
u32 devctrl_offset;
+ raw_spinlock_t wa_lock;
};
static inline u32 keystone_irq_readl(struct keystone_irq_device *kirq)
@@ -83,17 +84,15 @@
/* nothing to do here */
}
-static void keystone_irq_handler(struct irq_desc *desc)
+static irqreturn_t keystone_irq_handler(int irq, void *keystone_irq)
{
- unsigned int irq = irq_desc_get_irq(desc);
- struct keystone_irq_device *kirq = irq_desc_get_handler_data(desc);
+ struct keystone_irq_device *kirq = keystone_irq;
+ unsigned long wa_lock_flags;
unsigned long pending;
int src, virq;
dev_dbg(kirq->dev, "start irq %d\n", irq);
- chained_irq_enter(irq_desc_get_chip(desc), desc);
-
pending = keystone_irq_readl(kirq);
keystone_irq_writel(kirq, pending);
@@ -111,13 +110,15 @@
if (!virq)
dev_warn(kirq->dev, "sporious irq detected hwirq %d, virq %d\n",
src, virq);
+ raw_spin_lock_irqsave(&kirq->wa_lock, wa_lock_flags);
generic_handle_irq(virq);
+ raw_spin_unlock_irqrestore(&kirq->wa_lock,
+ wa_lock_flags);
}
}
- chained_irq_exit(irq_desc_get_chip(desc), desc);
-
dev_dbg(kirq->dev, "end irq %d\n", irq);
+ return IRQ_HANDLED;
}
static int keystone_irq_map(struct irq_domain *h, unsigned int virq,
@@ -182,9 +183,16 @@
return -ENODEV;
}
+ raw_spin_lock_init(&kirq->wa_lock);
+
platform_set_drvdata(pdev, kirq);
- irq_set_chained_handler_and_data(kirq->irq, keystone_irq_handler, kirq);
+ ret = request_irq(kirq->irq, keystone_irq_handler,
+ 0, dev_name(dev), kirq);
+ if (ret) {
+ irq_domain_remove(kirq->irqd);
+ return ret;
+ }
/* clear all source bits */
keystone_irq_writel(kirq, ~0x0);
@@ -199,6 +207,8 @@
struct keystone_irq_device *kirq = platform_get_drvdata(pdev);
int hwirq;
+ free_irq(kirq->irq, kirq);
+
for (hwirq = 0; hwirq < KEYSTONE_N_IRQ; hwirq++)
irq_dispose_mapping(irq_find_mapping(kirq->irqd, hwirq));
diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c
index 1730470..05fa9f7 100644
--- a/drivers/irqchip/irq-mxs.c
+++ b/drivers/irqchip/irq-mxs.c
@@ -131,12 +131,16 @@
.irq_ack = icoll_ack_irq,
.irq_mask = icoll_mask_irq,
.irq_unmask = icoll_unmask_irq,
+ .flags = IRQCHIP_MASK_ON_SUSPEND |
+ IRQCHIP_SKIP_SET_WAKE,
};
static struct irq_chip asm9260_icoll_chip = {
.irq_ack = icoll_ack_irq,
.irq_mask = asm9260_mask_irq,
.irq_unmask = asm9260_unmask_irq,
+ .flags = IRQCHIP_MASK_ON_SUSPEND |
+ IRQCHIP_SKIP_SET_WAKE,
};
asmlinkage void __exception_irq_entry icoll_handle_irq(struct pt_regs *regs)
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 9c1e8ad..bf3fbd0 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -2364,7 +2364,7 @@
id);
return NULL;
} else {
- rs = kzalloc(sizeof(struct ippp_ccp_reset_state), GFP_KERNEL);
+ rs = kzalloc(sizeof(struct ippp_ccp_reset_state), GFP_ATOMIC);
if (!rs)
return NULL;
rs->state = CCPResetIdle;
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 6a4811f..9cf826df 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -104,11 +104,14 @@
/* Submit next message */
msg_submit(chan);
+ if (!mssg)
+ return;
+
/* Notify the client */
- if (mssg && chan->cl->tx_done)
+ if (chan->cl->tx_done)
chan->cl->tx_done(chan->cl, mssg, r);
- if (chan->cl->tx_block)
+ if (r != -ETIME && chan->cl->tx_block)
complete(&chan->tx_complete);
}
@@ -261,7 +264,7 @@
msg_submit(chan);
- if (chan->cl->tx_block && chan->active_req) {
+ if (chan->cl->tx_block) {
unsigned long wait;
int ret;
@@ -272,8 +275,8 @@
ret = wait_for_completion_timeout(&chan->tx_complete, wait);
if (ret == 0) {
- t = -EIO;
- tx_tick(chan, -EIO);
+ t = -ETIME;
+ tx_tick(chan, t);
}
}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index fc182c4..8f60520c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5821,6 +5821,8 @@
pr_debug("%d stripes handled\n", handled);
spin_unlock_irq(&conf->device_lock);
+
+ async_tx_issue_pending_all();
blk_finish_plug(&plug);
pr_debug("--- raid5worker inactive\n");
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c b/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c
index 8001cde..503135a 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c
@@ -211,7 +211,7 @@
}
if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS)
- ret = s5c73m3_af_run(state, ~af_lock);
+ ret = s5c73m3_af_run(state, !af_lock);
return ret;
}
diff --git a/drivers/media/pci/saa7164/saa7164-bus.c b/drivers/media/pci/saa7164/saa7164-bus.c
index a18fe5d..b4857cd 100644
--- a/drivers/media/pci/saa7164/saa7164-bus.c
+++ b/drivers/media/pci/saa7164/saa7164-bus.c
@@ -393,11 +393,11 @@
msg_tmp.size = le16_to_cpu((__force __le16)msg_tmp.size);
msg_tmp.command = le32_to_cpu((__force __le32)msg_tmp.command);
msg_tmp.controlselector = le16_to_cpu((__force __le16)msg_tmp.controlselector);
+ memcpy(msg, &msg_tmp, sizeof(*msg));
/* No need to update the read positions, because this was a peek */
/* If the caller specifically want to peek, return */
if (peekonly) {
- memcpy(msg, &msg_tmp, sizeof(*msg));
goto peekout;
}
@@ -442,21 +442,15 @@
space_rem = bus->m_dwSizeGetRing - curr_grp;
if (space_rem < sizeof(*msg)) {
- /* msg wraps around the ring */
- memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, space_rem);
- memcpy_fromio((u8 *)msg + space_rem, bus->m_pdwGetRing,
- sizeof(*msg) - space_rem);
if (buf)
memcpy_fromio(buf, bus->m_pdwGetRing + sizeof(*msg) -
space_rem, buf_size);
} else if (space_rem == sizeof(*msg)) {
- memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg));
if (buf)
memcpy_fromio(buf, bus->m_pdwGetRing, buf_size);
} else {
/* Additional data wraps around the ring */
- memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg));
if (buf) {
memcpy_fromio(buf, bus->m_pdwGetRing + curr_grp +
sizeof(*msg), space_rem - sizeof(*msg));
@@ -469,15 +463,10 @@
} else {
/* No wrapping */
- memcpy_fromio(msg, bus->m_pdwGetRing + curr_grp, sizeof(*msg));
if (buf)
memcpy_fromio(buf, bus->m_pdwGetRing + curr_grp + sizeof(*msg),
buf_size);
}
- /* Convert from little endian to CPU */
- msg->size = le16_to_cpu((__force __le16)msg->size);
- msg->command = le32_to_cpu((__force __le32)msg->command);
- msg->controlselector = le16_to_cpu((__force __le16)msg->controlselector);
/* Update the read positions, adjusting the ring */
saa7164_writel(bus->m_dwGetReadPos, new_grp);
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index 7767e07..1f656a3 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -1709,27 +1709,9 @@
switch (cmd) {
case VPFE_CMD_S_CCDC_RAW_PARAMS:
+ ret = -EINVAL;
v4l2_warn(&vpfe_dev->v4l2_dev,
- "VPFE_CMD_S_CCDC_RAW_PARAMS: experimental ioctl\n");
- if (ccdc_dev->hw_ops.set_params) {
- ret = ccdc_dev->hw_ops.set_params(param);
- if (ret) {
- v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
- "Error setting parameters in CCDC\n");
- goto unlock_out;
- }
- ret = vpfe_get_ccdc_image_format(vpfe_dev,
- &vpfe_dev->fmt);
- if (ret < 0) {
- v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
- "Invalid image format at CCDC\n");
- goto unlock_out;
- }
- } else {
- ret = -EINVAL;
- v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
- "VPFE_CMD_S_CCDC_RAW_PARAMS not supported\n");
- }
+ "VPFE_CMD_S_CCDC_RAW_PARAMS not supported\n");
break;
default:
ret = -ENOTTY;
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index a32659f..efc21b1 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -254,7 +254,7 @@
return 0;
case LIRC_GET_REC_RESOLUTION:
- val = dev->rx_resolution;
+ val = dev->rx_resolution / 1000;
break;
case LIRC_SET_WIDEBAND_RECEIVER:
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index a266138..d277419 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -125,6 +125,11 @@
#define MEI_DEV_ID_KBP 0xA2BA /* Kaby Point */
#define MEI_DEV_ID_KBP_2 0xA2BB /* Kaby Point 2 */
+#define MEI_DEV_ID_LBG 0xA1BA /* Lewisburg (SPT) */
+
+#define MEI_DEV_ID_BXT_M 0x1A9A /* Broxton M */
+#define MEI_DEV_ID_APL_I 0x5A9A /* Apollo Lake I */
+
/*
* MEI HW Section
*/
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 01e20384..adab5bb 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -86,10 +86,14 @@
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, mei_me_pch8_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, mei_me_pch8_sps_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, mei_me_pch8_sps_cfg)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, mei_me_pch8_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_KBP, mei_me_pch8_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_KBP_2, mei_me_pch8_cfg)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, mei_me_pch8_cfg)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, mei_me_pch8_cfg)},
+
/* required last entry */
{0, }
};
diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
index ecc4a33..0a54e7d 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -608,7 +608,7 @@
mac_mode |= HALF_DUPLEX;
if (gigabit) {
- if (priv->phy_mode == PHY_INTERFACE_MODE_RGMII)
+ if (phy_interface_is_rgmii(dev->phydev))
mac_mode |= RGMII_MODE;
mac_mode |= GMAC_MODE;
@@ -1295,11 +1295,10 @@
break;
case PHY_INTERFACE_MODE_RGMII:
- pad_mode = PAD_MODE_RGMII;
- break;
-
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
- pad_mode = PAD_MODE_RGMII | PAD_MODE_GTX_CLK_DELAY;
+ pad_mode = PAD_MODE_RGMII;
break;
default:
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 21e5b9e..3613469 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -8722,11 +8722,14 @@
tg3_mem_rx_release(tp);
tg3_mem_tx_release(tp);
+ /* Protect tg3_get_stats64() from reading freed tp->hw_stats. */
+ tg3_full_lock(tp, 0);
if (tp->hw_stats) {
dma_free_coherent(&tp->pdev->dev, sizeof(struct tg3_hw_stats),
tp->hw_stats, tp->stats_mapping);
tp->hw_stats = NULL;
}
+ tg3_full_unlock(tp);
}
/*
diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c
index 2a9dd46..e1f9e7c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/icm.c
+++ b/drivers/net/ethernet/mellanox/mlx4/icm.c
@@ -118,8 +118,13 @@
if (!buf)
return -ENOMEM;
+ if (offset_in_page(buf)) {
+ dma_free_coherent(dev, PAGE_SIZE << order,
+ buf, sg_dma_address(mem));
+ return -ENOMEM;
+ }
+
sg_set_buf(mem, buf, PAGE_SIZE << order);
- BUG_ON(mem->offset);
sg_dma_len(mem) = PAGE_SIZE << order;
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index cc19906..6c66d29 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -630,6 +630,10 @@
pr_debug("\n");
}
+static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg);
+static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev,
+ struct mlx5_cmd_msg *msg);
+
static void cmd_work_handler(struct work_struct *work)
{
struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work);
@@ -638,16 +642,27 @@
struct mlx5_cmd_layout *lay;
struct semaphore *sem;
unsigned long flags;
+ int alloc_ret;
sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
down(sem);
if (!ent->page_queue) {
- ent->idx = alloc_ent(cmd);
- if (ent->idx < 0) {
+ alloc_ret = alloc_ent(cmd);
+ if (alloc_ret < 0) {
+ if (ent->callback) {
+ ent->callback(-EAGAIN, ent->context);
+ mlx5_free_cmd_msg(dev, ent->out);
+ free_msg(dev, ent->in);
+ free_cmd(ent);
+ } else {
+ ent->ret = -EAGAIN;
+ complete(&ent->done);
+ }
mlx5_core_err(dev, "failed to allocate command entry\n");
up(sem);
return;
}
+ ent->idx = alloc_ret;
} else {
ent->idx = cmd->max_reg_cmds;
spin_lock_irqsave(&cmd->alloc_lock, flags);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 6633e32..5ded6d9 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -326,6 +326,7 @@
static const struct pci_device_id rtl8169_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
+ { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8161), 0, 0, RTL_CFG_1 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 480f3da..479af10 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -750,6 +750,7 @@
.tsu = 1,
.hw_crc = 1,
.select_mii = 1,
+ .shift_rd0 = 1,
};
/* SH7763 */
@@ -818,6 +819,7 @@
.rpadir_value = 2 << 16,
.no_trimd = 1,
.no_ade = 1,
+ .hw_crc = 1,
.tsu = 1,
.select_mii = 1,
.shift_rd0 = 1,
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index bca6a1e..e1bb802 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -141,9 +141,19 @@
static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val)
{
struct usb_device *dev = mcs->usbdev;
- int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
- MCS_RD_RTYPE, 0, reg, val, 2,
- msecs_to_jiffies(MCS_CTRL_TIMEOUT));
+ void *dmabuf;
+ int ret;
+
+ dmabuf = kmalloc(sizeof(__u16), GFP_KERNEL);
+ if (!dmabuf)
+ return -ENOMEM;
+
+ ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
+ MCS_RD_RTYPE, 0, reg, dmabuf, 2,
+ msecs_to_jiffies(MCS_CTRL_TIMEOUT));
+
+ memcpy(val, dmabuf, sizeof(__u16));
+ kfree(dmabuf);
return ret;
}
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index 32f1066..7242dd4 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -29,6 +29,7 @@
#define MII_DP83867_MICR 0x12
#define MII_DP83867_ISR 0x13
#define DP83867_CTRL 0x1f
+#define DP83867_CFG3 0x1e
/* Extended Registers */
#define DP83867_RGMIICTL 0x0032
@@ -89,6 +90,8 @@
micr_status |=
(MII_DP83867_MICR_AN_ERR_INT_EN |
MII_DP83867_MICR_SPEED_CHNG_INT_EN |
+ MII_DP83867_MICR_AUTONEG_COMP_INT_EN |
+ MII_DP83867_MICR_LINK_STS_CHNG_INT_EN |
MII_DP83867_MICR_DUP_MODE_CHNG_INT_EN |
MII_DP83867_MICR_SLEEP_MODE_CHNG_INT_EN);
@@ -184,6 +187,13 @@
DP83867_DEVADDR, phydev->addr, delay);
}
+ /* Enable Interrupt output INT_OE in CFG3 register */
+ if (phy_interrupt_is_valid(phydev)) {
+ val = phy_read(phydev, DP83867_CFG3);
+ val |= BIT(7);
+ phy_write(phydev, DP83867_CFG3, val);
+ }
+
return 0;
}
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 851c0e1..49d9f0a 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -541,6 +541,9 @@
if (phydev->state > PHY_UP && phydev->state != PHY_HALTED)
phydev->state = PHY_UP;
mutex_unlock(&phydev->lock);
+
+ /* Now we can run the state machine synchronously */
+ phy_state_machine(&phydev->state_queue.work);
}
/**
@@ -918,6 +921,15 @@
if (old_link != phydev->link)
phydev->state = PHY_CHANGELINK;
}
+ /*
+ * Failsafe: check that nobody set phydev->link=0 between two
+ * poll cycles, otherwise we won't leave RUNNING state as long
+ * as link remains down.
+ */
+ if (!phydev->link && phydev->state == PHY_RUNNING) {
+ phydev->state = PHY_CHANGELINK;
+ dev_err(&phydev->dev, "no link in PHY_RUNNING\n");
+ }
break;
case PHY_CHANGELINK:
err = phy_read_status(phydev);
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 0bfbabad..8179727 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1368,6 +1368,8 @@
{
struct phy_device *phydev = to_phy_device(dev);
+ cancel_delayed_work_sync(&phydev->state_queue);
+
mutex_lock(&phydev->lock);
phydev->state = PHY_DOWN;
mutex_unlock(&phydev->lock);
@@ -1442,7 +1444,7 @@
.phy_id = 0xffffffff,
.phy_id_mask = 0xffffffff,
.name = "Generic PHY",
- .soft_reset = genphy_soft_reset,
+ .soft_reset = genphy_no_soft_reset,
.config_init = genphy_config_init,
.features = PHY_GBIT_FEATURES | SUPPORTED_MII |
SUPPORTED_AUI | SUPPORTED_FIBRE |
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index f64b25c..cd93220 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -1009,6 +1009,7 @@
struct net_device *netdev;
const eth_addr_t bcast_addr = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
int result = 0;
+ int rv = -EIO;
dev_dbg(dev,
"Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x\n",
@@ -1029,6 +1030,7 @@
kaweth = netdev_priv(netdev);
kaweth->dev = udev;
kaweth->net = netdev;
+ kaweth->intf = intf;
spin_lock_init(&kaweth->device_lock);
init_waitqueue_head(&kaweth->term_wait);
@@ -1048,6 +1050,10 @@
/* Download the firmware */
dev_info(dev, "Downloading firmware...\n");
kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
+ if (!kaweth->firmware_buf) {
+ rv = -ENOMEM;
+ goto err_free_netdev;
+ }
if ((result = kaweth_download_firmware(kaweth,
"kaweth/new_code.bin",
100,
@@ -1139,8 +1145,6 @@
dev_dbg(dev, "Initializing net device.\n");
- kaweth->intf = intf;
-
kaweth->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!kaweth->tx_urb)
goto err_free_netdev;
@@ -1204,7 +1208,7 @@
err_free_netdev:
free_netdev(netdev);
- return -EIO;
+ return rv;
}
/****************************************************************
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 582d8f0..958af3b 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -707,6 +707,7 @@
{QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
{QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
{QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */
+ {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */
{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 8f4f6a8..cfed580 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -639,6 +639,9 @@
struct sk_buff *skb;
u32 cmd_id;
+ if (!ar->wmi.ops->gen_vdev_spectral_conf)
+ return -EOPNOTSUPP;
+
skb = ar->wmi.ops->gen_vdev_spectral_conf(ar, arg);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -654,6 +657,9 @@
struct sk_buff *skb;
u32 cmd_id;
+ if (!ar->wmi.ops->gen_vdev_spectral_enable)
+ return -EOPNOTSUPP;
+
skb = ar->wmi.ops->gen_vdev_spectral_enable(ar, vdev_id, trigger,
enable);
if (IS_ERR(skb))
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index bb69a594..85bca55 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -330,18 +330,19 @@
wil->last_fw_recovery = jiffies;
+ wil_info(wil, "fw error recovery requested (try %d)...\n",
+ wil->recovery_count);
+ if (!no_fw_recovery)
+ wil->recovery_state = fw_recovery_running;
+ if (wil_wait_for_recovery(wil) != 0)
+ return;
+
mutex_lock(&wil->mutex);
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_MONITOR:
- wil_info(wil, "fw error recovery requested (try %d)...\n",
- wil->recovery_count);
- if (!no_fw_recovery)
- wil->recovery_state = fw_recovery_running;
- if (0 != wil_wait_for_recovery(wil))
- break;
-
+ /* silent recovery, upper layers will see disconnect */
__wil_down(wil);
__wil_up(wil);
break;
diff --git a/drivers/net/wireless/intersil/p54/fwio.c b/drivers/net/wireless/intersil/p54/fwio.c
index 257a9ead..4ac6764 100644
--- a/drivers/net/wireless/intersil/p54/fwio.c
+++ b/drivers/net/wireless/intersil/p54/fwio.c
@@ -488,7 +488,7 @@
entry += sizeof(__le16);
chan->pa_points_per_curve = 8;
- memset(chan->curve_data, 0, sizeof(*chan->curve_data));
+ memset(chan->curve_data, 0, sizeof(chan->curve_data));
memcpy(chan->curve_data, entry,
sizeof(struct p54_pa_curve_data_sample) *
min((u8)8, curve_data->points_per_channel));
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 0333ab0..34173b5 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -201,6 +201,7 @@
unsigned long remaining_credit;
struct timer_list credit_timeout;
u64 credit_window_start;
+ bool rate_limited;
/* Statistics */
struct xenvif_stats stats;
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index e7bd63e..60b26f3 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -105,7 +105,11 @@
if (work_done < budget) {
napi_complete(napi);
- xenvif_napi_schedule_or_enable_events(queue);
+ /* If the queue is rate-limited, it shall be
+ * rescheduled in the timer callback.
+ */
+ if (likely(!queue->rate_limited))
+ xenvif_napi_schedule_or_enable_events(queue);
}
return work_done;
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 1049c34e..72ee1c3 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -687,6 +687,7 @@
max_credit = ULONG_MAX; /* wrapped: clamp to ULONG_MAX */
queue->remaining_credit = min(max_credit, max_burst);
+ queue->rate_limited = false;
}
void xenvif_tx_credit_callback(unsigned long data)
@@ -1184,8 +1185,10 @@
msecs_to_jiffies(queue->credit_usec / 1000);
/* Timer could already be pending in rare cases. */
- if (timer_pending(&queue->credit_timeout))
+ if (timer_pending(&queue->credit_timeout)) {
+ queue->rate_limited = true;
return true;
+ }
/* Passed the point where we can replenish credit? */
if (time_after_eq64(now, next_credit)) {
@@ -1200,6 +1203,7 @@
mod_timer(&queue->credit_timeout,
next_credit);
queue->credit_window_start = next_credit;
+ queue->rate_limited = true;
return true;
}
diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c
index 532db28..a5d7332 100644
--- a/drivers/nfc/fdp/i2c.c
+++ b/drivers/nfc/fdp/i2c.c
@@ -210,14 +210,14 @@
struct sk_buff *skb;
int r;
- client = phy->i2c_dev;
- dev_dbg(&client->dev, "%s\n", __func__);
-
if (!phy || irq != phy->i2c_dev->irq) {
WARN_ON_ONCE(1);
return IRQ_NONE;
}
+ client = phy->i2c_dev;
+ dev_dbg(&client->dev, "%s\n", __func__);
+
r = fdp_nci_i2c_read(phy, &skb);
if (r == -EREMOTEIO)
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index ecc6fb9..3bbdf60 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -599,7 +599,7 @@
if (!mw->virt_addr)
return -ENOMEM;
- if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count)
+ if (mw_num < qp_count % mw_count)
num_qps_mw = qp_count / mw_count + 1;
else
num_qps_mw = qp_count / mw_count;
@@ -947,7 +947,7 @@
qp->event_handler = NULL;
ntb_qp_link_down_reset(qp);
- if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count)
+ if (mw_num < qp_count % mw_count)
num_qps_mw = qp_count / mw_count + 1;
else
num_qps_mw = qp_count / mw_count;
@@ -1065,8 +1065,8 @@
qp_count = ilog2(qp_bitmap);
if (max_num_clients && max_num_clients < qp_count)
qp_count = max_num_clients;
- else if (mw_count < qp_count)
- qp_count = mw_count;
+ else if (nt->mw_count < qp_count)
+ qp_count = nt->mw_count;
qp_bitmap &= BIT_ULL(qp_count) - 1;
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index efb2c1c..9572342 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1205,10 +1205,13 @@
struct page *page, int rw)
{
struct btt *btt = bdev->bd_disk->private_data;
+ int rc;
- btt_do_bvec(btt, NULL, page, PAGE_CACHE_SIZE, 0, rw, sector);
- page_endio(page, rw & WRITE, 0);
- return 0;
+ rc = btt_do_bvec(btt, NULL, page, PAGE_CACHE_SIZE, 0, rw, sector);
+ if (rc == 0)
+ page_endio(page, rw & WRITE, 0);
+
+ return rc;
}
diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index b7971d4..74e5360 100644
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -88,7 +88,7 @@
static const struct of_device_id imx_ocotp_dt_ids[] = {
{ .compatible = "fsl,imx6q-ocotp", (void *)128 },
- { .compatible = "fsl,imx6sl-ocotp", (void *)32 },
+ { .compatible = "fsl,imx6sl-ocotp", (void *)64 },
{ .compatible = "fsl,imx6sx-ocotp", (void *)128 },
{ },
};
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 7b0ca15..005ea63 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -954,7 +954,7 @@
dino_dev->hba.dev = dev;
dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096);
- dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */
+ dino_dev->hba.lmmio_space_offset = PCI_F_EXTEND;
spin_lock_init(&dino_dev->dinosaur_pen);
dino_dev->hba.iommu = ccio_get_iommu(dev);
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 7d7374e..52930d2 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -195,8 +195,6 @@
spin_unlock_irqrestore(&bank->slock, flags);
- exynos_irq_unmask(irqd);
-
return 0;
}
@@ -217,8 +215,6 @@
shift = irqd->hwirq * bank_type->fld_width[PINCFG_TYPE_FUNC];
mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
- exynos_irq_mask(irqd);
-
spin_lock_irqsave(&bank->slock, flags);
con = readl(d->virt_base + reg_con);
diff --git a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
index 862a096..be5c71d 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
@@ -811,6 +811,7 @@
SUNXI_FUNCTION(0x2, "lcd1"), /* D16 */
SUNXI_FUNCTION(0x3, "pata"), /* ATAD12 */
SUNXI_FUNCTION(0x4, "keypad"), /* IN6 */
+ SUNXI_FUNCTION(0x5, "sim"), /* DET */
SUNXI_FUNCTION_IRQ(0x6, 16), /* EINT16 */
SUNXI_FUNCTION(0x7, "csi1")), /* D16 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 17),
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index ce129e5..5c935847 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -248,6 +248,7 @@
struct completion *remove_wait; /* device remove thread blocks */
atomic_t in_flight; /* io counter */
+ bool internal_reset_inprogress;
u32 _reserved; /* fill hole */
unsigned long state_flags; /* protected by host lock */
enum fnic_state state;
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 266b909..82e4bc8 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -2533,6 +2533,19 @@
unsigned long wait_host_tmo;
struct Scsi_Host *shost = sc->device->host;
struct fc_lport *lp = shost_priv(shost);
+ struct fnic *fnic = lport_priv(lp);
+ unsigned long flags;
+
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ if (fnic->internal_reset_inprogress == 0) {
+ fnic->internal_reset_inprogress = 1;
+ } else {
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
+ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
+ "host reset in progress skipping another host reset\n");
+ return SUCCESS;
+ }
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
/*
* If fnic_reset is successful, wait for fabric login to complete
@@ -2553,6 +2566,9 @@
}
}
+ spin_lock_irqsave(&fnic->fnic_lock, flags);
+ fnic->internal_reset_inprogress = 0;
+ spin_unlock_irqrestore(&fnic->fnic_lock, flags);
return ret;
}
diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c
index 1910100..00602ab 100644
--- a/drivers/scsi/isci/remote_node_context.c
+++ b/drivers/scsi/isci/remote_node_context.c
@@ -66,6 +66,9 @@
{
static const char * const strings[] = RNC_STATES;
+ if (state >= ARRAY_SIZE(strings))
+ return "UNKNOWN";
+
return strings[state];
}
#undef C
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 0e6aaef..c74f74a 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1054,7 +1054,10 @@
lpfc_sli4_unreg_all_rpis(vport);
}
}
- lpfc_issue_reg_vfi(vport);
+
+ /* Do not register VFI if the driver aborted FLOGI */
+ if (!lpfc_error_lost_link(irsp))
+ lpfc_issue_reg_vfi(vport);
lpfc_nlp_put(ndlp);
goto out;
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 5b2c37f..9b53672 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -4981,15 +4981,14 @@
static int
_base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
{
- int r, i;
+ int r, i, index;
unsigned long flags;
u32 reply_address;
u16 smid;
struct _tr_list *delayed_tr, *delayed_tr_next;
u8 hide_flag;
struct adapter_reply_queue *reply_q;
- long reply_post_free;
- u32 reply_post_free_sz, index = 0;
+ Mpi2ReplyDescriptorsUnion_t *reply_post_free_contig;
dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
__func__));
@@ -5061,27 +5060,27 @@
_base_assign_reply_queues(ioc);
/* initialize Reply Post Free Queue */
- reply_post_free_sz = ioc->reply_post_queue_depth *
- sizeof(Mpi2DefaultReplyDescriptor_t);
- reply_post_free = (long)ioc->reply_post[index].reply_post_free;
+ index = 0;
+ reply_post_free_contig = ioc->reply_post[0].reply_post_free;
list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
+ /*
+ * If RDPQ is enabled, switch to the next allocation.
+ * Otherwise advance within the contiguous region.
+ */
+ if (ioc->rdpq_array_enable) {
+ reply_q->reply_post_free =
+ ioc->reply_post[index++].reply_post_free;
+ } else {
+ reply_q->reply_post_free = reply_post_free_contig;
+ reply_post_free_contig += ioc->reply_post_queue_depth;
+ }
+
reply_q->reply_post_host_index = 0;
- reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *)
- reply_post_free;
for (i = 0; i < ioc->reply_post_queue_depth; i++)
reply_q->reply_post_free[i].Words =
cpu_to_le64(ULLONG_MAX);
if (!_base_is_controller_msix_enabled(ioc))
goto skip_init_reply_post_free_queue;
- /*
- * If RDPQ is enabled, switch to the next allocation.
- * Otherwise advance within the contiguous region.
- */
- if (ioc->rdpq_array_enable)
- reply_post_free = (long)
- ioc->reply_post[++index].reply_post_free;
- else
- reply_post_free += reply_post_free_sz;
}
skip_init_reply_post_free_queue:
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 6b942d9..1ed85df 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -329,12 +329,15 @@
struct qla_hw_data *ha = vha->hw;
ssize_t rval = 0;
- if (ha->optrom_state != QLA_SREADING)
- return 0;
-
mutex_lock(&ha->optrom_mutex);
+
+ if (ha->optrom_state != QLA_SREADING)
+ goto out;
+
rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
ha->optrom_region_size);
+
+out:
mutex_unlock(&ha->optrom_mutex);
return rval;
@@ -349,14 +352,19 @@
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
- if (ha->optrom_state != QLA_SWRITING)
+ mutex_lock(&ha->optrom_mutex);
+
+ if (ha->optrom_state != QLA_SWRITING) {
+ mutex_unlock(&ha->optrom_mutex);
return -EINVAL;
- if (off > ha->optrom_region_size)
+ }
+ if (off > ha->optrom_region_size) {
+ mutex_unlock(&ha->optrom_mutex);
return -ERANGE;
+ }
if (off + count > ha->optrom_region_size)
count = ha->optrom_region_size - off;
- mutex_lock(&ha->optrom_mutex);
memcpy(&ha->optrom_buffer[off], buf, count);
mutex_unlock(&ha->optrom_mutex);
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 0e95296..fe5c92f 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -153,6 +153,7 @@
struct sg_device *parentdp; /* owning device */
wait_queue_head_t read_wait; /* queue read until command done */
rwlock_t rq_list_lock; /* protect access to list in req_arr */
+ struct mutex f_mutex; /* protect against changes in this fd */
int timeout; /* defaults to SG_DEFAULT_TIMEOUT */
int timeout_user; /* defaults to SG_DEFAULT_TIMEOUT_USER */
Sg_scatter_hold reserve; /* buffer held for this file descriptor */
@@ -166,6 +167,7 @@
unsigned char next_cmd_len; /* 0: automatic, >0: use on next write() */
char keep_orphan; /* 0 -> drop orphan (def), 1 -> keep for read() */
char mmap_called; /* 0 -> mmap() never called on this fd */
+ char res_in_use; /* 1 -> 'reserve' array in use */
struct kref f_ref;
struct execute_work ew;
} Sg_fd;
@@ -209,7 +211,6 @@
static Sg_request *sg_get_rq_mark(Sg_fd * sfp, int pack_id);
static Sg_request *sg_add_request(Sg_fd * sfp);
static int sg_remove_request(Sg_fd * sfp, Sg_request * srp);
-static int sg_res_in_use(Sg_fd * sfp);
static Sg_device *sg_get_dev(int dev);
static void sg_device_destroy(struct kref *kref);
@@ -625,6 +626,7 @@
}
buf += SZ_SG_HEADER;
__get_user(opcode, buf);
+ mutex_lock(&sfp->f_mutex);
if (sfp->next_cmd_len > 0) {
cmd_size = sfp->next_cmd_len;
sfp->next_cmd_len = 0; /* reset so only this write() effected */
@@ -633,6 +635,7 @@
if ((opcode >= 0xc0) && old_hdr.twelve_byte)
cmd_size = 12;
}
+ mutex_unlock(&sfp->f_mutex);
SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sdp,
"sg_write: scsi opcode=0x%02x, cmd_size=%d\n", (int) opcode, cmd_size));
/* Determine buffer size. */
@@ -732,7 +735,7 @@
sg_remove_request(sfp, srp);
return -EINVAL; /* either MMAP_IO or DIRECT_IO (not both) */
}
- if (sg_res_in_use(sfp)) {
+ if (sfp->res_in_use) {
sg_remove_request(sfp, srp);
return -EBUSY; /* reserve buffer already being used */
}
@@ -904,7 +907,7 @@
return result;
if (val) {
sfp->low_dma = 1;
- if ((0 == sfp->low_dma) && (0 == sg_res_in_use(sfp))) {
+ if ((0 == sfp->low_dma) && !sfp->res_in_use) {
val = (int) sfp->reserve.bufflen;
sg_remove_scat(sfp, &sfp->reserve);
sg_build_reserve(sfp, val);
@@ -979,12 +982,18 @@
return -EINVAL;
val = min_t(int, val,
max_sectors_bytes(sdp->device->request_queue));
+ mutex_lock(&sfp->f_mutex);
if (val != sfp->reserve.bufflen) {
- if (sg_res_in_use(sfp) || sfp->mmap_called)
+ if (sfp->mmap_called ||
+ sfp->res_in_use) {
+ mutex_unlock(&sfp->f_mutex);
return -EBUSY;
+ }
+
sg_remove_scat(sfp, &sfp->reserve);
sg_build_reserve(sfp, val);
}
+ mutex_unlock(&sfp->f_mutex);
return 0;
case SG_GET_RESERVED_SIZE:
val = min_t(int, sfp->reserve.bufflen,
@@ -1739,13 +1748,22 @@
md = &map_data;
if (md) {
- if (!sg_res_in_use(sfp) && dxfer_len <= rsv_schp->bufflen)
+ mutex_lock(&sfp->f_mutex);
+ if (dxfer_len <= rsv_schp->bufflen &&
+ !sfp->res_in_use) {
+ sfp->res_in_use = 1;
sg_link_reserve(sfp, srp, dxfer_len);
- else {
+ } else if ((hp->flags & SG_FLAG_MMAP_IO) && sfp->res_in_use) {
+ mutex_unlock(&sfp->f_mutex);
+ return -EBUSY;
+ } else {
res = sg_build_indirect(req_schp, sfp, dxfer_len);
- if (res)
+ if (res) {
+ mutex_unlock(&sfp->f_mutex);
return res;
+ }
}
+ mutex_unlock(&sfp->f_mutex);
md->pages = req_schp->pages;
md->page_order = req_schp->page_order;
@@ -2036,6 +2054,8 @@
req_schp->sglist_len = 0;
sfp->save_scat_len = 0;
srp->res_used = 0;
+ /* Called without mutex lock to avoid deadlock */
+ sfp->res_in_use = 0;
}
static Sg_request *
@@ -2147,6 +2167,7 @@
rwlock_init(&sfp->rq_list_lock);
kref_init(&sfp->f_ref);
+ mutex_init(&sfp->f_mutex);
sfp->timeout = SG_DEFAULT_TIMEOUT;
sfp->timeout_user = SG_DEFAULT_TIMEOUT_USER;
sfp->force_packid = SG_DEF_FORCE_PACK_ID;
@@ -2222,20 +2243,6 @@
schedule_work(&sfp->ew.work);
}
-static int
-sg_res_in_use(Sg_fd * sfp)
-{
- const Sg_request *srp;
- unsigned long iflags;
-
- read_lock_irqsave(&sfp->rq_list_lock, iflags);
- for (srp = sfp->headrp; srp; srp = srp->nextrp)
- if (srp->res_used)
- break;
- read_unlock_irqrestore(&sfp->rq_list_lock, iflags);
- return srp ? 1 : 0;
-}
-
#ifdef CONFIG_SCSI_PROC_FS
static int
sg_idr_max_id(int id, void *p, void *data)
diff --git a/drivers/scsi/snic/snic_main.c b/drivers/scsi/snic/snic_main.c
index 2b3c253..8175f99 100644
--- a/drivers/scsi/snic/snic_main.c
+++ b/drivers/scsi/snic/snic_main.c
@@ -584,6 +584,7 @@
if (!pool) {
SNIC_HOST_ERR(shost, "dflt sgl pool creation failed\n");
+ ret = -ENOMEM;
goto err_free_res;
}
@@ -594,6 +595,7 @@
if (!pool) {
SNIC_HOST_ERR(shost, "max sgl pool creation failed\n");
+ ret = -ENOMEM;
goto err_free_dflt_sgl_pool;
}
@@ -604,6 +606,7 @@
if (!pool) {
SNIC_HOST_ERR(shost, "snic tmreq info pool creation failed.\n");
+ ret = -ENOMEM;
goto err_free_max_sgl_pool;
}
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 882cd66..87a0e47e 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -107,7 +107,10 @@
static int dw_spi_debugfs_init(struct dw_spi *dws)
{
- dws->debugfs = debugfs_create_dir("dw_spi", NULL);
+ char name[128];
+
+ snprintf(name, 128, "dw_spi-%s", dev_name(&dws->master->dev));
+ dws->debugfs = debugfs_create_dir(name, NULL);
if (!dws->debugfs)
return -ENOMEM;
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 8fed553..b831f08e 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2901,9 +2901,6 @@
comedi_class->dev_groups = comedi_dev_groups;
- /* XXX requires /proc interface */
- comedi_proc_init();
-
/* create devices files for legacy/manual use */
for (i = 0; i < comedi_num_legacy_minors; i++) {
struct comedi_device *dev;
@@ -2921,6 +2918,9 @@
mutex_unlock(&dev->mutex);
}
+ /* XXX requires /proc interface */
+ comedi_proc_init();
+
return 0;
}
module_init(comedi_init);
diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index d97aa28..8eb7179 100644
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -468,7 +468,7 @@
long m)
{
struct ad2s1210_state *st = iio_priv(indio_dev);
- bool negative;
+ u16 negative;
int ret = 0;
u16 pos;
s16 vel;
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 02c3fee..c2d2c175 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -49,6 +49,7 @@
{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
{} /* Terminating entry */
};
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index a180c00..1ff1c83 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -418,6 +418,7 @@
return 0;
}
np->np_thread_state = ISCSI_NP_THREAD_RESET;
+ atomic_inc(&np->np_reset_count);
if (np->np_thread) {
spin_unlock_bh(&np->np_thread_lock);
@@ -1996,6 +1997,7 @@
cmd->cmd_sn = be32_to_cpu(hdr->cmdsn);
cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn);
cmd->data_direction = DMA_NONE;
+ kfree(cmd->text_in_ptr);
cmd->text_in_ptr = NULL;
return 0;
@@ -3965,6 +3967,8 @@
{
int ret = 0;
struct iscsi_conn *conn = arg;
+ bool conn_freed = false;
+
/*
* Allow ourselves to be interrupted by SIGINT so that a
* connection recovery / failure event can be triggered externally.
@@ -3990,12 +3994,14 @@
goto transport_err;
ret = iscsit_handle_response_queue(conn);
- if (ret == 1)
+ if (ret == 1) {
goto get_immediate;
- else if (ret == -ECONNRESET)
+ } else if (ret == -ECONNRESET) {
+ conn_freed = true;
goto out;
- else if (ret < 0)
+ } else if (ret < 0) {
goto transport_err;
+ }
}
transport_err:
@@ -4005,8 +4011,13 @@
* responsible for cleaning up the early connection failure.
*/
if (conn->conn_state != TARG_CONN_STATE_IN_LOGIN)
- iscsit_take_action_for_connection_exit(conn);
+ iscsit_take_action_for_connection_exit(conn, &conn_freed);
out:
+ if (!conn_freed) {
+ while (!kthread_should_stop()) {
+ msleep(100);
+ }
+ }
return 0;
}
@@ -4105,6 +4116,7 @@
u32 checksum = 0, digest = 0;
struct iscsi_conn *conn = arg;
struct kvec iov;
+ bool conn_freed = false;
/*
* Allow ourselves to be interrupted by SIGINT so that a
* connection recovery / failure event can be triggered externally.
@@ -4116,7 +4128,7 @@
*/
rc = wait_for_completion_interruptible(&conn->rx_login_comp);
if (rc < 0 || iscsi_target_check_conn_state(conn))
- return 0;
+ goto out;
if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) {
struct completion comp;
@@ -4201,7 +4213,13 @@
transport_err:
if (!signal_pending(current))
atomic_set(&conn->transport_failed, 1);
- iscsit_take_action_for_connection_exit(conn);
+ iscsit_take_action_for_connection_exit(conn, &conn_freed);
+out:
+ if (!conn_freed) {
+ while (!kthread_should_stop()) {
+ msleep(100);
+ }
+ }
return 0;
}
@@ -4575,8 +4593,11 @@
* always sleep waiting for RX/TX thread shutdown to complete
* within iscsit_close_connection().
*/
- if (conn->conn_transport->transport_type == ISCSI_TCP)
+ if (conn->conn_transport->transport_type == ISCSI_TCP) {
sleep = cmpxchg(&conn->tx_thread_active, true, false);
+ if (!sleep)
+ return;
+ }
atomic_set(&conn->conn_logout_remove, 0);
complete(&conn->conn_logout_comp);
@@ -4592,8 +4613,11 @@
{
int sleep = 1;
- if (conn->conn_transport->transport_type == ISCSI_TCP)
+ if (conn->conn_transport->transport_type == ISCSI_TCP) {
sleep = cmpxchg(&conn->tx_thread_active, true, false);
+ if (!sleep)
+ return;
+ }
atomic_set(&conn->conn_logout_remove, 0);
complete(&conn->conn_logout_comp);
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
index 210f6e4..6c88fb0 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.c
+++ b/drivers/target/iscsi/iscsi_target_erl0.c
@@ -930,8 +930,10 @@
}
}
-void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
+void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn, bool *conn_freed)
{
+ *conn_freed = false;
+
spin_lock_bh(&conn->state_lock);
if (atomic_read(&conn->connection_exit)) {
spin_unlock_bh(&conn->state_lock);
@@ -942,6 +944,7 @@
if (conn->conn_state == TARG_CONN_STATE_IN_LOGOUT) {
spin_unlock_bh(&conn->state_lock);
iscsit_close_connection(conn);
+ *conn_freed = true;
return;
}
@@ -955,4 +958,5 @@
spin_unlock_bh(&conn->state_lock);
iscsit_handle_connection_cleanup(conn);
+ *conn_freed = true;
}
diff --git a/drivers/target/iscsi/iscsi_target_erl0.h b/drivers/target/iscsi/iscsi_target_erl0.h
index a9e2f94..fbc1d84a 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.h
+++ b/drivers/target/iscsi/iscsi_target_erl0.h
@@ -9,6 +9,6 @@
extern void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *);
extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
extern void iscsit_fall_back_to_erl0(struct iscsi_session *);
-extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *);
+extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *, bool *);
#endif /*** ISCSI_TARGET_ERL0_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 4a137b0a..bc2cbff 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1219,9 +1219,11 @@
flush_signals(current);
spin_lock_bh(&np->np_thread_lock);
- if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
+ if (atomic_dec_if_positive(&np->np_reset_count) >= 0) {
np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
+ spin_unlock_bh(&np->np_thread_lock);
complete(&np->np_restart_comp);
+ return 1;
} else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) {
spin_unlock_bh(&np->np_thread_lock);
goto exit;
@@ -1254,7 +1256,8 @@
goto exit;
} else if (rc < 0) {
spin_lock_bh(&np->np_thread_lock);
- if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
+ if (atomic_dec_if_positive(&np->np_reset_count) >= 0) {
+ np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
spin_unlock_bh(&np->np_thread_lock);
complete(&np->np_restart_comp);
iscsit_put_transport(conn->conn_transport);
@@ -1436,5 +1439,9 @@
break;
}
+ while (!kthread_should_stop()) {
+ msleep(100);
+ }
+
return 0;
}
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 549a2bbb..58c629a 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -489,14 +489,60 @@
static int iscsi_target_do_login(struct iscsi_conn *, struct iscsi_login *);
-static bool iscsi_target_sk_state_check(struct sock *sk)
+static bool __iscsi_target_sk_check_close(struct sock *sk)
{
if (sk->sk_state == TCP_CLOSE_WAIT || sk->sk_state == TCP_CLOSE) {
- pr_debug("iscsi_target_sk_state_check: TCP_CLOSE_WAIT|TCP_CLOSE,"
+ pr_debug("__iscsi_target_sk_check_close: TCP_CLOSE_WAIT|TCP_CLOSE,"
"returning FALSE\n");
- return false;
+ return true;
}
- return true;
+ return false;
+}
+
+static bool iscsi_target_sk_check_close(struct iscsi_conn *conn)
+{
+ bool state = false;
+
+ if (conn->sock) {
+ struct sock *sk = conn->sock->sk;
+
+ read_lock_bh(&sk->sk_callback_lock);
+ state = (__iscsi_target_sk_check_close(sk) ||
+ test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags));
+ read_unlock_bh(&sk->sk_callback_lock);
+ }
+ return state;
+}
+
+static bool iscsi_target_sk_check_flag(struct iscsi_conn *conn, unsigned int flag)
+{
+ bool state = false;
+
+ if (conn->sock) {
+ struct sock *sk = conn->sock->sk;
+
+ read_lock_bh(&sk->sk_callback_lock);
+ state = test_bit(flag, &conn->login_flags);
+ read_unlock_bh(&sk->sk_callback_lock);
+ }
+ return state;
+}
+
+static bool iscsi_target_sk_check_and_clear(struct iscsi_conn *conn, unsigned int flag)
+{
+ bool state = false;
+
+ if (conn->sock) {
+ struct sock *sk = conn->sock->sk;
+
+ write_lock_bh(&sk->sk_callback_lock);
+ state = (__iscsi_target_sk_check_close(sk) ||
+ test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags));
+ if (!state)
+ clear_bit(flag, &conn->login_flags);
+ write_unlock_bh(&sk->sk_callback_lock);
+ }
+ return state;
}
static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login)
@@ -536,6 +582,20 @@
pr_debug("entering iscsi_target_do_login_rx, conn: %p, %s:%d\n",
conn, current->comm, current->pid);
+ /*
+ * If iscsi_target_do_login_rx() has been invoked by ->sk_data_ready()
+ * before initial PDU processing in iscsi_target_start_negotiation()
+ * has completed, go ahead and retry until it's cleared.
+ *
+ * Otherwise if the TCP connection drops while this is occuring,
+ * iscsi_target_start_negotiation() will detect the failure, call
+ * cancel_delayed_work_sync(&conn->login_work), and cleanup the
+ * remaining iscsi connection resources from iscsi_np process context.
+ */
+ if (iscsi_target_sk_check_flag(conn, LOGIN_FLAGS_INITIAL_PDU)) {
+ schedule_delayed_work(&conn->login_work, msecs_to_jiffies(10));
+ return;
+ }
spin_lock(&tpg->tpg_state_lock);
state = (tpg->tpg_state == TPG_STATE_ACTIVE);
@@ -543,26 +603,12 @@
if (!state) {
pr_debug("iscsi_target_do_login_rx: tpg_state != TPG_STATE_ACTIVE\n");
- iscsi_target_restore_sock_callbacks(conn);
- iscsi_target_login_drop(conn, login);
- iscsit_deaccess_np(np, tpg, tpg_np);
- return;
+ goto err;
}
- if (conn->sock) {
- struct sock *sk = conn->sock->sk;
-
- read_lock_bh(&sk->sk_callback_lock);
- state = iscsi_target_sk_state_check(sk);
- read_unlock_bh(&sk->sk_callback_lock);
-
- if (!state) {
- pr_debug("iscsi_target_do_login_rx, TCP state CLOSE\n");
- iscsi_target_restore_sock_callbacks(conn);
- iscsi_target_login_drop(conn, login);
- iscsit_deaccess_np(np, tpg, tpg_np);
- return;
- }
+ if (iscsi_target_sk_check_close(conn)) {
+ pr_debug("iscsi_target_do_login_rx, TCP state CLOSE\n");
+ goto err;
}
conn->login_kworker = current;
@@ -580,34 +626,29 @@
flush_signals(current);
conn->login_kworker = NULL;
- if (rc < 0) {
- iscsi_target_restore_sock_callbacks(conn);
- iscsi_target_login_drop(conn, login);
- iscsit_deaccess_np(np, tpg, tpg_np);
- return;
- }
+ if (rc < 0)
+ goto err;
pr_debug("iscsi_target_do_login_rx after rx_login_io, %p, %s:%d\n",
conn, current->comm, current->pid);
rc = iscsi_target_do_login(conn, login);
if (rc < 0) {
- iscsi_target_restore_sock_callbacks(conn);
- iscsi_target_login_drop(conn, login);
- iscsit_deaccess_np(np, tpg, tpg_np);
+ goto err;
} else if (!rc) {
- if (conn->sock) {
- struct sock *sk = conn->sock->sk;
-
- write_lock_bh(&sk->sk_callback_lock);
- clear_bit(LOGIN_FLAGS_READ_ACTIVE, &conn->login_flags);
- write_unlock_bh(&sk->sk_callback_lock);
- }
+ if (iscsi_target_sk_check_and_clear(conn, LOGIN_FLAGS_READ_ACTIVE))
+ goto err;
} else if (rc == 1) {
iscsi_target_nego_release(conn);
iscsi_post_login_handler(np, conn, zero_tsih);
iscsit_deaccess_np(np, tpg, tpg_np);
}
+ return;
+
+err:
+ iscsi_target_restore_sock_callbacks(conn);
+ iscsi_target_login_drop(conn, login);
+ iscsit_deaccess_np(np, tpg, tpg_np);
}
static void iscsi_target_do_cleanup(struct work_struct *work)
@@ -655,31 +696,54 @@
orig_state_change(sk);
return;
}
+ state = __iscsi_target_sk_check_close(sk);
+ pr_debug("__iscsi_target_sk_close_change: state: %d\n", state);
+
if (test_bit(LOGIN_FLAGS_READ_ACTIVE, &conn->login_flags)) {
pr_debug("Got LOGIN_FLAGS_READ_ACTIVE=1 sk_state_change"
" conn: %p\n", conn);
+ if (state)
+ set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags);
write_unlock_bh(&sk->sk_callback_lock);
orig_state_change(sk);
return;
}
- if (test_and_set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)) {
+ if (test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)) {
pr_debug("Got LOGIN_FLAGS_CLOSED=1 sk_state_change conn: %p\n",
conn);
write_unlock_bh(&sk->sk_callback_lock);
orig_state_change(sk);
return;
}
-
- state = iscsi_target_sk_state_check(sk);
- write_unlock_bh(&sk->sk_callback_lock);
-
- pr_debug("iscsi_target_sk_state_change: state: %d\n", state);
-
- if (!state) {
+ /*
+ * If the TCP connection has dropped, go ahead and set LOGIN_FLAGS_CLOSED,
+ * but only queue conn->login_work -> iscsi_target_do_login_rx()
+ * processing if LOGIN_FLAGS_INITIAL_PDU has already been cleared.
+ *
+ * When iscsi_target_do_login_rx() runs, iscsi_target_sk_check_close()
+ * will detect the dropped TCP connection from delayed workqueue context.
+ *
+ * If LOGIN_FLAGS_INITIAL_PDU is still set, which means the initial
+ * iscsi_target_start_negotiation() is running, iscsi_target_do_login()
+ * via iscsi_target_sk_check_close() or iscsi_target_start_negotiation()
+ * via iscsi_target_sk_check_and_clear() is responsible for detecting the
+ * dropped TCP connection in iscsi_np process context, and cleaning up
+ * the remaining iscsi connection resources.
+ */
+ if (state) {
pr_debug("iscsi_target_sk_state_change got failed state\n");
- schedule_delayed_work(&conn->login_cleanup_work, 0);
+ set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags);
+ state = test_bit(LOGIN_FLAGS_INITIAL_PDU, &conn->login_flags);
+ write_unlock_bh(&sk->sk_callback_lock);
+
+ orig_state_change(sk);
+
+ if (!state)
+ schedule_delayed_work(&conn->login_work, 0);
return;
}
+ write_unlock_bh(&sk->sk_callback_lock);
+
orig_state_change(sk);
}
@@ -944,6 +1008,15 @@
if (iscsi_target_handle_csg_one(conn, login) < 0)
return -1;
if (login_rsp->flags & ISCSI_FLAG_LOGIN_TRANSIT) {
+ /*
+ * Check to make sure the TCP connection has not
+ * dropped asynchronously while session reinstatement
+ * was occuring in this kthread context, before
+ * transitioning to full feature phase operation.
+ */
+ if (iscsi_target_sk_check_close(conn))
+ return -1;
+
login->tsih = conn->sess->tsih;
login->login_complete = 1;
iscsi_target_restore_sock_callbacks(conn);
@@ -970,21 +1043,6 @@
break;
}
- if (conn->sock) {
- struct sock *sk = conn->sock->sk;
- bool state;
-
- read_lock_bh(&sk->sk_callback_lock);
- state = iscsi_target_sk_state_check(sk);
- read_unlock_bh(&sk->sk_callback_lock);
-
- if (!state) {
- pr_debug("iscsi_target_do_login() failed state for"
- " conn: %p\n", conn);
- return -1;
- }
- }
-
return 0;
}
@@ -1248,16 +1306,28 @@
{
int ret;
- ret = iscsi_target_do_login(conn, login);
- if (!ret) {
- if (conn->sock) {
- struct sock *sk = conn->sock->sk;
+ if (conn->sock) {
+ struct sock *sk = conn->sock->sk;
- write_lock_bh(&sk->sk_callback_lock);
- set_bit(LOGIN_FLAGS_READY, &conn->login_flags);
- write_unlock_bh(&sk->sk_callback_lock);
- }
- } else if (ret < 0) {
+ write_lock_bh(&sk->sk_callback_lock);
+ set_bit(LOGIN_FLAGS_READY, &conn->login_flags);
+ set_bit(LOGIN_FLAGS_INITIAL_PDU, &conn->login_flags);
+ write_unlock_bh(&sk->sk_callback_lock);
+ }
+ /*
+ * If iscsi_target_do_login returns zero to signal more PDU
+ * exchanges are required to complete the login, go ahead and
+ * clear LOGIN_FLAGS_INITIAL_PDU but only if the TCP connection
+ * is still active.
+ *
+ * Otherwise if TCP connection dropped asynchronously, go ahead
+ * and perform connection cleanup now.
+ */
+ ret = iscsi_target_do_login(conn, login);
+ if (!ret && iscsi_target_sk_check_and_clear(conn, LOGIN_FLAGS_INITIAL_PDU))
+ ret = -1;
+
+ if (ret < 0) {
cancel_delayed_work_sync(&conn->login_work);
cancel_delayed_work_sync(&conn->login_cleanup_work);
iscsi_target_restore_sock_callbacks(conn);
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index f916d18..b070ddf 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -92,6 +92,11 @@
pr_err("Source se_lun->lun_se_dev does not exist\n");
return -EINVAL;
}
+ if (lun->lun_shutdown) {
+ pr_err("Unable to create mappedlun symlink because"
+ " lun->lun_shutdown=true\n");
+ return -EINVAL;
+ }
se_tpg = lun->lun_tpg;
nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item;
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index 899c33b..f69f490 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -673,6 +673,8 @@
*/
struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);
+ lun->lun_shutdown = true;
+
core_clear_lun_from_tpg(lun, tpg);
/*
* Wait for any active I/O references to percpu se_lun->lun_ref to
@@ -694,6 +696,8 @@
}
if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
hlist_del_rcu(&lun->link);
+
+ lun->lun_shutdown = false;
mutex_unlock(&tpg->tpg_lun_mutex);
percpu_ref_exit(&lun->lun_ref);
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 16e0e45..0f36716 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1882,7 +1882,7 @@
/* No more submits can occur */
spin_lock_irq(&hcd_urb_list_lock);
rescan:
- list_for_each_entry (urb, &ep->urb_list, urb_list) {
+ list_for_each_entry_reverse(urb, &ep->urb_list, urb_list) {
int is_in;
if (urb->unlinked)
@@ -2493,6 +2493,8 @@
}
if (usb_hcd_is_primary_hcd(hcd) && hcd->shared_hcd) {
hcd = hcd->shared_hcd;
+ clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags);
+ set_bit(HCD_FLAG_DEAD, &hcd->flags);
if (hcd->rh_registered) {
clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 20a068e..a110d4e 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -150,6 +150,9 @@
/* appletouch */
{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */
+ { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM },
+
/* Avision AV600U */
{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
@@ -252,6 +255,7 @@
{ USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME },
{ USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME },
{ USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME },
+ { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME },
/* Logitech Optical Mouse M90/M100 */
{ USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME },
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c
index 2776cfe..ef9cf4a 100644
--- a/drivers/usb/core/usb-acpi.c
+++ b/drivers/usb/core/usb-acpi.c
@@ -127,6 +127,22 @@
*/
#define USB_ACPI_LOCATION_VALID (1 << 31)
+static struct acpi_device *usb_acpi_find_port(struct acpi_device *parent,
+ int raw)
+{
+ struct acpi_device *adev;
+
+ if (!parent)
+ return NULL;
+
+ list_for_each_entry(adev, &parent->children, node) {
+ if (acpi_device_adr(adev) == raw)
+ return adev;
+ }
+
+ return acpi_find_child_device(parent, raw, false);
+}
+
static struct acpi_device *usb_acpi_find_companion(struct device *dev)
{
struct usb_device *udev;
@@ -174,8 +190,10 @@
int raw;
raw = usb_hcd_find_raw_port_number(hcd, port1);
- adev = acpi_find_child_device(ACPI_COMPANION(&udev->dev),
- raw, false);
+
+ adev = usb_acpi_find_port(ACPI_COMPANION(&udev->dev),
+ raw);
+
if (!adev)
return NULL;
} else {
@@ -186,7 +204,9 @@
return NULL;
acpi_bus_get_device(parent_handle, &adev);
- adev = acpi_find_child_device(adev, port1, false);
+
+ adev = usb_acpi_find_port(adev, port1);
+
if (!adev)
return NULL;
}
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 99285b4..ee579ba 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -539,7 +539,7 @@
}
status = usb_ep_enable(hidg->out_ep);
if (status < 0) {
- ERROR(cdev, "Enable IN endpoint FAILED!\n");
+ ERROR(cdev, "Enable OUT endpoint FAILED!\n");
goto fail;
}
hidg->out_ep->driver_data = hidg;
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index f940056..03b9a37 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -89,6 +89,7 @@
AMD_CHIPSET_HUDSON2,
AMD_CHIPSET_BOLTON,
AMD_CHIPSET_YANGTZE,
+ AMD_CHIPSET_TAISHAN,
AMD_CHIPSET_UNKNOWN,
};
@@ -132,6 +133,11 @@
pinfo->sb_type.gen = AMD_CHIPSET_SB700;
else if (rev >= 0x40 && rev <= 0x4f)
pinfo->sb_type.gen = AMD_CHIPSET_SB800;
+ }
+ pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+ 0x145c, NULL);
+ if (pinfo->smbus_dev) {
+ pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN;
} else {
pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL);
@@ -251,11 +257,12 @@
{
/* Make sure amd chipset type has already been initialized */
usb_amd_find_chipset_info();
- if (amd_chipset.sb_type.gen != AMD_CHIPSET_YANGTZE)
- return 0;
-
- dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n");
- return 1;
+ if (amd_chipset.sb_type.gen == AMD_CHIPSET_YANGTZE ||
+ amd_chipset.sb_type.gen == AMD_CHIPSET_TAISHAN) {
+ dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n");
+ return 1;
+ }
+ return 0;
}
EXPORT_SYMBOL_GPL(usb_hcd_amd_remote_wakeup_quirk);
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 13d5614f..0d843e0 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -138,6 +138,7 @@
"Could not flush host TX%d fifo: csr: %04x\n",
ep->epnum, csr))
return;
+ mdelay(1);
}
}
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b0dc6da..41a6513 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -135,6 +135,7 @@
{ USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
{ USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
{ USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */
+ { USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index ebe51f11..fe12315 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2025,6 +2025,8 @@
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) }, /* D-Link DWM-158 */
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 1db4b61..a51b283 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -49,6 +49,7 @@
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
+ { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_UC485) },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID2) },
{ USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) },
{ USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 09d9be8..3b5a15d 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -27,6 +27,7 @@
#define ATEN_VENDOR_ID 0x0557
#define ATEN_VENDOR_ID2 0x0547
#define ATEN_PRODUCT_ID 0x2008
+#define ATEN_PRODUCT_UC485 0x2021
#define ATEN_PRODUCT_ID2 0x2118
#define IODATA_VENDOR_ID 0x04bb
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 53341a7..a37ed1e 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -123,9 +123,9 @@
/* Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> */
UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999,
"Initio Corporation",
- "",
+ "INIC-3069",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
- US_FL_NO_ATA_1X),
+ US_FL_NO_ATA_1X | US_FL_IGNORE_RESIDUE),
/* Reported-by: Tom Arild Naess <tanaess@gmail.com> */
UNUSUAL_DEV(0x152d, 0x0539, 0x0000, 0x9999,
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 830e2fd..b31b84f 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -902,6 +902,10 @@
return ret;
vdev->barmap[index] = pci_iomap(pdev, index, 0);
+ if (!vdev->barmap[index]) {
+ pci_release_selected_regions(pdev, 1 << index);
+ return -ENOMEM;
+ }
}
vma->vm_private_data = vdev;
diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c
index 210db24..4d39f79 100644
--- a/drivers/vfio/pci/vfio_pci_rdwr.c
+++ b/drivers/vfio/pci/vfio_pci_rdwr.c
@@ -190,7 +190,10 @@
if (!vdev->has_vga)
return -EINVAL;
- switch (pos) {
+ if (pos > 0xbfffful)
+ return -EINVAL;
+
+ switch ((u32)pos) {
case 0xa0000 ... 0xbffff:
count = min(count, (size_t)(0xc0000 - pos));
iomem = ioremap_nocache(0xa0000, 0xbffff - 0xa0000 + 1);
diff --git a/drivers/video/fbdev/cobalt_lcdfb.c b/drivers/video/fbdev/cobalt_lcdfb.c
index 07675d6f..d4530b5 100644
--- a/drivers/video/fbdev/cobalt_lcdfb.c
+++ b/drivers/video/fbdev/cobalt_lcdfb.c
@@ -350,6 +350,11 @@
info->screen_size = resource_size(res);
info->screen_base = devm_ioremap(&dev->dev, res->start,
info->screen_size);
+ if (!info->screen_base) {
+ framebuffer_release(info);
+ return -ENOMEM;
+ }
+
info->fbops = &cobalt_lcd_fbops;
info->fix = cobalt_lcdfb_fix;
info->fix.smem_start = res->start;
diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c
index 4da69db..1bdd02a 100644
--- a/drivers/xen/biomerge.c
+++ b/drivers/xen/biomerge.c
@@ -10,8 +10,7 @@
unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page));
- return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
- ((bfn1 == bfn2) || ((bfn1+1) == bfn2));
+ return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;
#else
/*
* XXX: Add support for merging bio_vec when using different page
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index b38903a..8c921d4 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7522,11 +7522,18 @@
* within our reservation, otherwise we need to adjust our inode
* counter appropriately.
*/
- if (dio_data->outstanding_extents) {
+ if (dio_data->outstanding_extents >= num_extents) {
dio_data->outstanding_extents -= num_extents;
} else {
+ /*
+ * If dio write length has been split due to no large enough
+ * contiguous space, we need to compensate our inode counter
+ * appropriately.
+ */
+ u64 num_needed = num_extents - dio_data->outstanding_extents;
+
spin_lock(&BTRFS_I(inode)->lock);
- BTRFS_I(inode)->outstanding_extents += num_extents;
+ BTRFS_I(inode)->outstanding_extents += num_needed;
spin_unlock(&BTRFS_I(inode)->lock);
}
}
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9c62a6f..600c67e 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -108,7 +108,7 @@
},
};
-const u64 const btrfs_raid_group[BTRFS_NR_RAID_TYPES] = {
+const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES] = {
[BTRFS_RAID_RAID10] = BTRFS_BLOCK_GROUP_RAID10,
[BTRFS_RAID_RAID1] = BTRFS_BLOCK_GROUP_RAID1,
[BTRFS_RAID_DUP] = BTRFS_BLOCK_GROUP_DUP,
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 26a3b38..fa8df3f 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -183,15 +183,20 @@
}
/*
+ * Don't allow path components longer than the server max.
* Don't allow the separator character in a path component.
* The VFS will not allow "/", but "\" is allowed by posix.
*/
static int
-check_name(struct dentry *direntry)
+check_name(struct dentry *direntry, struct cifs_tcon *tcon)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
int i;
+ if (unlikely(direntry->d_name.len >
+ tcon->fsAttrInfo.MaxPathNameComponentLength))
+ return -ENAMETOOLONG;
+
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) {
for (i = 0; i < direntry->d_name.len; i++) {
if (direntry->d_name.name[i] == '\\') {
@@ -489,10 +494,6 @@
return finish_no_open(file, res);
}
- rc = check_name(direntry);
- if (rc)
- return rc;
-
xid = get_xid();
cifs_dbg(FYI, "parent inode = 0x%p name is: %pd and dentry = 0x%p\n",
@@ -505,6 +506,11 @@
}
tcon = tlink_tcon(tlink);
+
+ rc = check_name(direntry, tcon);
+ if (rc)
+ goto out_free_xid;
+
server = tcon->ses->server;
if (server->ops->new_lease_key)
@@ -765,7 +771,7 @@
}
pTcon = tlink_tcon(tlink);
- rc = check_name(direntry);
+ rc = check_name(direntry, pTcon);
if (rc)
goto lookup_out;
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index f4afa3b..6c484dd 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2768,8 +2768,8 @@
kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) *
le32_to_cpu(pfs_inf->SectorsPerAllocationUnit);
kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits);
- kst->f_bfree = le64_to_cpu(pfs_inf->ActualAvailableAllocationUnits);
- kst->f_bavail = le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
+ kst->f_bfree = kst->f_bavail =
+ le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
return;
}
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 97a265a..a309049 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -513,6 +513,8 @@
lastoff = page_offset(page);
bh = head = page_buffers(page);
do {
+ if (lastoff + bh->b_size <= startoff)
+ goto next;
if (buffer_uptodate(bh) ||
buffer_unwritten(bh)) {
if (whence == SEEK_DATA)
@@ -527,6 +529,7 @@
unlock_page(page);
goto out;
}
+next:
lastoff += bh->b_size;
bh = bh->b_this_page;
} while (bh != head);
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 34038e35..74516ef 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1926,7 +1926,8 @@
n_desc_blocks = o_desc_blocks +
le16_to_cpu(es->s_reserved_gdt_blocks);
n_group = n_desc_blocks * EXT4_DESC_PER_BLOCK(sb);
- n_blocks_count = n_group * EXT4_BLOCKS_PER_GROUP(sb);
+ n_blocks_count = (ext4_fsblk_t)n_group *
+ EXT4_BLOCKS_PER_GROUP(sb);
n_group--; /* set to last group number */
}
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 11538a8..1a063cb 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -46,7 +46,7 @@
{
struct fuse_file *ff;
- ff = kmalloc(sizeof(struct fuse_file), GFP_KERNEL);
+ ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL);
if (unlikely(!ff))
return NULL;
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index f31fd0d..b1daeaf 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -121,6 +121,7 @@
config PNFS_BLOCK
tristate
depends on NFS_V4_1 && BLK_DEV_DM
+ depends on 64BIT || LBDAF
default NFS_V4
config PNFS_OBJLAYOUT
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index e125e55..2603d75 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -30,6 +30,7 @@
{
nfs4_print_deviceid(&mirror_ds->id_node.deviceid);
nfs4_pnfs_ds_put(mirror_ds->ds);
+ kfree(mirror_ds->ds_versions);
kfree_rcu(mirror_ds, id_node.rcu);
}
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 3f68a25..544672b 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -129,7 +129,7 @@
argp->p = page_address(argp->pagelist[0]);
argp->pagelist++;
if (argp->pagelen < PAGE_SIZE) {
- argp->end = argp->p + (argp->pagelen>>2);
+ argp->end = argp->p + XDR_QUADLEN(argp->pagelen);
argp->pagelen = 0;
} else {
argp->end = argp->p + (PAGE_SIZE>>2);
@@ -1246,9 +1246,7 @@
argp->pagelen -= pages * PAGE_SIZE;
len -= pages * PAGE_SIZE;
- argp->p = (__be32 *)page_address(argp->pagelist[0]);
- argp->pagelist++;
- argp->end = argp->p + XDR_QUADLEN(PAGE_SIZE);
+ next_decode_page(argp);
}
argp->p += XDR_QUADLEN(len);
diff --git a/fs/seq_file.c b/fs/seq_file.c
index d672e2f..6dc4296 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -72,9 +72,10 @@
mutex_init(&p->lock);
p->op = op;
-#ifdef CONFIG_USER_NS
- p->user_ns = file->f_cred->user_ns;
-#endif
+
+ // No refcounting: the lifetime of 'p' is constrained
+ // to the lifetime of the file.
+ p->file = file;
/*
* Wrappers around seq_open(e.g. swaps_open) need to be
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 187b802..a9063ac 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1426,6 +1426,26 @@
if (error)
goto out_unlock;
+ /*
+ * The only time we can ever safely find delalloc blocks on direct I/O
+ * is a dio write to post-eof speculative preallocation. All other
+ * scenarios are indicative of a problem or misuse (such as mixing
+ * direct and mapped I/O).
+ *
+ * The file may be unmapped by the time we get here so we cannot
+ * reliably fail the I/O based on mapping. Instead, fail the I/O if this
+ * is a read or a write within eof. Otherwise, carry on but warn as a
+ * precuation if the file happens to be mapped.
+ */
+ if (direct && imap.br_startblock == DELAYSTARTBLOCK) {
+ if (!create || offset < i_size_read(VFS_I(ip))) {
+ WARN_ON_ONCE(1);
+ error = -EIO;
+ goto out_unlock;
+ }
+ WARN_ON_ONCE(mapping_mapped(VFS_I(ip)->i_mapping));
+ }
+
/* for DAX, we convert unwritten extents directly */
if (create &&
(!nimaps ||
@@ -1525,7 +1545,6 @@
set_buffer_new(bh_result);
if (imap.br_startblock == DELAYSTARTBLOCK) {
- BUG_ON(direct);
if (create) {
set_buffer_uptodate(bh_result);
set_buffer_mapped(bh_result);
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 85a868c..8397dc2 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -16,6 +16,7 @@
#ifdef CONFIG_CPUSETS
+extern struct static_key cpusets_pre_enable_key;
extern struct static_key cpusets_enabled_key;
static inline bool cpusets_enabled(void)
{
@@ -30,12 +31,14 @@
static inline void cpuset_inc(void)
{
+ static_key_slow_inc(&cpusets_pre_enable_key);
static_key_slow_inc(&cpusets_enabled_key);
}
static inline void cpuset_dec(void)
{
static_key_slow_dec(&cpusets_enabled_key);
+ static_key_slow_dec(&cpusets_pre_enable_key);
}
extern int cpuset_init(void);
@@ -104,7 +107,7 @@
*/
static inline unsigned int read_mems_allowed_begin(void)
{
- if (!cpusets_enabled())
+ if (!static_key_false(&cpusets_pre_enable_key))
return 0;
return read_seqcount_begin(¤t->mems_allowed_seq);
@@ -118,7 +121,7 @@
*/
static inline bool read_mems_allowed_retry(unsigned int seq)
{
- if (!cpusets_enabled())
+ if (!static_key_false(&cpusets_enabled_key))
return false;
return read_seqcount_retry(¤t->mems_allowed_seq, seq);
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 782d4e8..4bc4b1b 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -310,6 +310,7 @@
{
struct ppa_addr l;
+ l.ppa = 0;
/*
* (r.ppa << X offset) & X len bitmask. X eq. blk, pg, etc.
*/
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index af25bc1..b32cb7a 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -511,6 +511,10 @@
*/
bool tlb_flush_pending;
#endif
+#ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
+ /* See flush_tlb_batched_pending() */
+ bool tlb_flush_batched;
+#endif
struct uprobes_state uprobes_state;
#ifdef CONFIG_X86_INTEL_MPX
/* address of the bounds directory */
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 05fde31..b64825d6 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -785,6 +785,10 @@
int genphy_suspend(struct phy_device *phydev);
int genphy_resume(struct phy_device *phydev);
int genphy_soft_reset(struct phy_device *phydev);
+static inline int genphy_no_soft_reset(struct phy_device *phydev)
+{
+ return 0;
+}
void phy_driver_unregister(struct phy_driver *drv);
void phy_drivers_unregister(struct phy_driver *drv, int n);
int phy_driver_register(struct phy_driver *new_driver);
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 23705a5..97b745dd 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -8,7 +8,9 @@
PIDTYPE_PID,
PIDTYPE_PGID,
PIDTYPE_SID,
- PIDTYPE_MAX
+ PIDTYPE_MAX,
+ /* only valid to __task_pid_nr_ns() */
+ __PIDTYPE_TGID
};
/*
diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
index 10fe2e2..d646900 100644
--- a/include/linux/pstore_ram.h
+++ b/include/linux/pstore_ram.h
@@ -31,6 +31,13 @@
*/
#define PRZ_FLAG_NO_LOCK BIT(0)
+/*
+ * Choose whether access to the RAM zone requires locking or not. If a zone
+ * can be written to from different CPUs like with ftrace for example, then
+ * PRZ_FLAG_NO_LOCK is used. For all other cases, locking is required.
+ */
+#define PRZ_FLAG_NO_LOCK BIT(0)
+
struct persistent_ram_buffer;
struct rs_control;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6c4afe7..83402ac 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -811,6 +811,16 @@
#define SIGNAL_UNKILLABLE 0x00000040 /* for init: ignore fatal signals */
+#define SIGNAL_STOP_MASK (SIGNAL_CLD_MASK | SIGNAL_STOP_STOPPED | \
+ SIGNAL_STOP_CONTINUED)
+
+static inline void signal_set_stop_flags(struct signal_struct *sig,
+ unsigned int flags)
+{
+ WARN_ON(sig->flags & (SIGNAL_GROUP_EXIT|SIGNAL_GROUP_COREDUMP));
+ sig->flags = (sig->flags & ~SIGNAL_STOP_MASK) | flags;
+}
+
/* If true, all threads except ->group_exit_task have pending SIGKILL */
static inline int signal_group_exit(const struct signal_struct *sig)
{
@@ -2033,31 +2043,8 @@
return tsk->tgid;
}
-pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns);
-
-static inline pid_t task_tgid_vnr(struct task_struct *tsk)
-{
- return pid_vnr(task_tgid(tsk));
-}
-
static inline int pid_alive(const struct task_struct *p);
-static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
-{
- pid_t pid = 0;
-
- rcu_read_lock();
- if (pid_alive(tsk))
- pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
- rcu_read_unlock();
-
- return pid;
-}
-
-static inline pid_t task_ppid_nr(const struct task_struct *tsk)
-{
- return task_ppid_nr_ns(tsk, &init_pid_ns);
-}
static inline pid_t task_pgrp_nr_ns(struct task_struct *tsk,
struct pid_namespace *ns)
@@ -2082,6 +2069,33 @@
return __task_pid_nr_ns(tsk, PIDTYPE_SID, NULL);
}
+static inline pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
+{
+ return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, ns);
+}
+
+static inline pid_t task_tgid_vnr(struct task_struct *tsk)
+{
+ return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, NULL);
+}
+
+static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
+{
+ pid_t pid = 0;
+
+ rcu_read_lock();
+ if (pid_alive(tsk))
+ pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
+ rcu_read_unlock();
+
+ return pid;
+}
+
+static inline pid_t task_ppid_nr(const struct task_struct *tsk)
+{
+ return task_ppid_nr_ns(tsk, &init_pid_ns);
+}
+
/* obsolete, do not use */
static inline pid_t task_pgrp_nr(struct task_struct *tsk)
{
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index dde00de..f3d45dd 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -7,13 +7,10 @@
#include <linux/mutex.h>
#include <linux/cpumask.h>
#include <linux/nodemask.h>
+#include <linux/fs.h>
+#include <linux/cred.h>
struct seq_operations;
-struct file;
-struct path;
-struct inode;
-struct dentry;
-struct user_namespace;
struct seq_file {
char *buf;
@@ -27,9 +24,7 @@
struct mutex lock;
const struct seq_operations *op;
int poll_event;
-#ifdef CONFIG_USER_NS
- struct user_namespace *user_ns;
-#endif
+ const struct file *file;
void *private;
};
@@ -147,7 +142,7 @@
static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
{
#ifdef CONFIG_USER_NS
- return seq->user_ns;
+ return seq->file->f_cred->user_ns;
#else
extern struct user_namespace init_user_ns;
return &init_user_ns;
diff --git a/include/linux/slab.h b/include/linux/slab.h
index fec39a8..0c772845 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -209,7 +209,7 @@
* (PAGE_SIZE*2). Larger requests are passed to the page allocator.
*/
#define KMALLOC_SHIFT_HIGH (PAGE_SHIFT + 1)
-#define KMALLOC_SHIFT_MAX (MAX_ORDER + PAGE_SHIFT)
+#define KMALLOC_SHIFT_MAX (MAX_ORDER + PAGE_SHIFT - 1)
#ifndef KMALLOC_SHIFT_LOW
#define KMALLOC_SHIFT_LOW 3
#endif
@@ -222,7 +222,7 @@
* be allocated from the same page.
*/
#define KMALLOC_SHIFT_HIGH PAGE_SHIFT
-#define KMALLOC_SHIFT_MAX 30
+#define KMALLOC_SHIFT_MAX (MAX_ORDER + PAGE_SHIFT - 1)
#ifndef KMALLOC_SHIFT_LOW
#define KMALLOC_SHIFT_LOW 3
#endif
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 0197358..262d5c9 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -311,6 +311,7 @@
__WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */
__WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */
+ __WQ_ORDERED_EXPLICIT = 1 << 18, /* internal: alloc_ordered_workqueue() */
WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */
WQ_MAX_UNBOUND_PER_CPU = 4, /* 4 * #cpus for unbound wq */
@@ -408,7 +409,8 @@
* Pointer to the allocated workqueue on success, %NULL on failure.
*/
#define alloc_ordered_workqueue(fmt, flags, args...) \
- alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | (flags), 1, ##args)
+ alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | \
+ __WQ_ORDERED_EXPLICIT | (flags), 1, ##args)
#define create_workqueue(name) \
alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, (name))
diff --git a/include/net/ip.h b/include/net/ip.h
index f78c3a5..c5d8ee7 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -315,7 +315,7 @@
!forwarding)
return dst_mtu(dst);
- return min(dst->dev->mtu, IP_MAX_MTU);
+ return min(READ_ONCE(dst->dev->mtu), IP_MAX_MTU);
}
static inline unsigned int ip_skb_dst_mtu(const struct sk_buff *skb)
@@ -328,7 +328,7 @@
return ip_dst_mtu_maybe_forward(skb_dst(skb), forwarding);
}
- return min(skb_dst(skb)->dev->mtu, IP_MAX_MTU);
+ return min(READ_ONCE(skb_dst(skb)->dev->mtu), IP_MAX_MTU);
}
u32 ip_idents_reserve(u32 hash, int segs);
diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h
index e0f4109..c2aa73e 100644
--- a/include/net/iw_handler.h
+++ b/include/net/iw_handler.h
@@ -556,7 +556,8 @@
memcpy(stream + lcp_len,
((char *) &iwe->u) + IW_EV_POINT_OFF,
IW_EV_POINT_PK_LEN - IW_EV_LCP_PK_LEN);
- memcpy(stream + point_len, extra, iwe->u.data.length);
+ if (iwe->u.data.length && extra)
+ memcpy(stream + point_len, extra, iwe->u.data.length);
stream += event_len;
}
return stream;
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index e5bba89..7a5d6a0 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -717,8 +717,11 @@
old = *pold;
*pold = new;
if (old != NULL) {
- qdisc_tree_reduce_backlog(old, old->q.qlen, old->qstats.backlog);
+ unsigned int qlen = old->q.qlen;
+ unsigned int backlog = old->qstats.backlog;
+
qdisc_reset(old);
+ qdisc_tree_reduce_backlog(old, qlen, backlog);
}
sch_tree_unlock(sch);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index ce13cf2..d33b17b 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -444,6 +444,8 @@
#define _sctp_walk_params(pos, chunk, end, member)\
for (pos.v = chunk->member;\
+ (pos.v + offsetof(struct sctp_paramhdr, length) + sizeof(pos.p->length) <=\
+ (void *)chunk + end) &&\
pos.v <= (void *)chunk + end - ntohs(pos.p->length) &&\
ntohs(pos.p->length) >= sizeof(sctp_paramhdr_t);\
pos.v += WORD_ROUND(ntohs(pos.p->length)))
@@ -454,6 +456,8 @@
#define _sctp_walk_errors(err, chunk_hdr, end)\
for (err = (sctp_errhdr_t *)((void *)chunk_hdr + \
sizeof(sctp_chunkhdr_t));\
+ ((void *)err + offsetof(sctp_errhdr_t, length) + sizeof(err->length) <=\
+ (void *)chunk_hdr + end) &&\
(void *)err <= (void *)chunk_hdr + end - ntohs(err->length) &&\
ntohs(err->length) >= sizeof(sctp_errhdr_t); \
err = (sctp_errhdr_t *)((void *)err + WORD_ROUND(ntohs(err->length))))
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index e0efe3f..22f442a 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -562,6 +562,7 @@
#define LOGIN_FLAGS_READ_ACTIVE 1
#define LOGIN_FLAGS_CLOSED 2
#define LOGIN_FLAGS_READY 4
+#define LOGIN_FLAGS_INITIAL_PDU 8
unsigned long login_flags;
struct delayed_work login_work;
struct delayed_work login_cleanup_work;
@@ -783,6 +784,7 @@
int np_sock_type;
enum np_thread_state_table np_thread_state;
bool enabled;
+ atomic_t np_reset_count;
enum iscsi_timer_flags_table np_login_timer_flags;
u32 np_exports;
enum np_flags_table np_flags;
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index ed66414..1adf873 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -714,6 +714,7 @@
#define SE_LUN_LINK_MAGIC 0xffff7771
u32 lun_link_magic;
u32 lun_access;
+ bool lun_shutdown;
u32 lun_index;
/* RELATIVE TARGET PORT IDENTIFER */
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 939945a..a162661 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -457,13 +457,15 @@
list_del(&krule->rlist);
if (list_empty(&watch->rules)) {
+ /*
+ * audit_remove_watch() drops our reference to 'parent' which
+ * can get freed. Grab our own reference to be safe.
+ */
+ audit_get_parent(parent);
audit_remove_watch(watch);
-
- if (list_empty(&parent->watches)) {
- audit_get_parent(parent);
+ if (list_empty(&parent->watches))
fsnotify_destroy_mark(&parent->mark, audit_watch_group);
- audit_put_parent(parent);
- }
+ audit_put_parent(parent);
}
}
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index b0ff954..81b0cef 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -60,6 +60,7 @@
#include <linux/cgroup.h>
#include <linux/wait.h>
+struct static_key cpusets_pre_enable_key __read_mostly = STATIC_KEY_INIT_FALSE;
struct static_key cpusets_enabled_key __read_mostly = STATIC_KEY_INIT_FALSE;
/* See "Frequency meter" comments, below. */
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 550c4eb..64c4b37 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -8488,28 +8488,27 @@
goto err_context;
/*
- * Do not allow to attach to a group in a different
- * task or CPU context:
+ * Make sure we're both events for the same CPU;
+ * grouping events for different CPUs is broken; since
+ * you can never concurrently schedule them anyhow.
*/
- if (move_group) {
- /*
- * Make sure we're both on the same task, or both
- * per-cpu events.
- */
- if (group_leader->ctx->task != ctx->task)
- goto err_context;
+ if (group_leader->cpu != event->cpu)
+ goto err_context;
- /*
- * Make sure we're both events for the same CPU;
- * grouping events for different CPUs is broken; since
- * you can never concurrently schedule them anyhow.
- */
- if (group_leader->cpu != event->cpu)
- goto err_context;
- } else {
- if (group_leader->ctx != ctx)
- goto err_context;
- }
+ /*
+ * Make sure we're both on the same task, or both
+ * per-CPU events.
+ */
+ if (group_leader->ctx->task != ctx->task)
+ goto err_context;
+
+ /*
+ * Do not allow to attach to a group in a different task
+ * or CPU context. If we're moving SW events, we'll fix
+ * this up later, so allow that.
+ */
+ if (!move_group && group_leader->ctx != ctx)
+ goto err_context;
/*
* Only a group leader can be exclusive or pinned
diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
index 7080ae1..f850e90 100644
--- a/kernel/gcov/base.c
+++ b/kernel/gcov/base.c
@@ -98,6 +98,12 @@
}
EXPORT_SYMBOL(__gcov_merge_icall_topn);
+void __gcov_exit(void)
+{
+ /* Unused. */
+}
+EXPORT_SYMBOL(__gcov_exit);
+
/**
* gcov_enable_events - enable event reporting through gcov_event()
*
diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c
index e25e92f..46a18e7 100644
--- a/kernel/gcov/gcc_4_7.c
+++ b/kernel/gcov/gcc_4_7.c
@@ -18,7 +18,9 @@
#include <linux/vmalloc.h>
#include "gcov.h"
-#if __GNUC__ == 5 && __GNUC_MINOR__ >= 1
+#if (__GNUC__ >= 7)
+#define GCOV_COUNTERS 9
+#elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)
#define GCOV_COUNTERS 10
#elif __GNUC__ == 4 && __GNUC_MINOR__ >= 9
#define GCOV_COUNTERS 9
diff --git a/kernel/pid.c b/kernel/pid.c
index 1cdf7eb..aace990 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -527,8 +527,11 @@
if (!ns)
ns = task_active_pid_ns(current);
if (likely(pid_alive(task))) {
- if (type != PIDTYPE_PID)
+ if (type != PIDTYPE_PID) {
+ if (type == __PIDTYPE_TGID)
+ type = PIDTYPE_PID;
task = task->group_leader;
+ }
nr = pid_nr_ns(rcu_dereference(task->pids[type].pid), ns);
}
rcu_read_unlock();
@@ -537,12 +540,6 @@
}
EXPORT_SYMBOL(__task_pid_nr_ns);
-pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
-{
- return pid_nr_ns(task_tgid(tsk), ns);
-}
-EXPORT_SYMBOL(task_tgid_nr_ns);
-
struct pid_namespace *task_active_pid_ns(struct task_struct *tsk)
{
return ns_of_pid(task_pid(tsk));
diff --git a/kernel/resource.c b/kernel/resource.c
index 91a70ec..e2c105b 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -105,16 +105,25 @@
{
struct resource *root = m->private;
struct resource *r = v, *p;
+ unsigned long long start, end;
int width = root->end < 0x10000 ? 4 : 8;
int depth;
for (depth = 0, p = r; depth < MAX_IORES_LEVEL; depth++, p = p->parent)
if (p->parent == root)
break;
+
+ if (file_ns_capable(m->file, &init_user_ns, CAP_SYS_ADMIN)) {
+ start = r->start;
+ end = r->end;
+ } else {
+ start = end = 0;
+ }
+
seq_printf(m, "%*s%0*llx-%0*llx : %s\n",
depth * 2, "",
- width, (unsigned long long) r->start,
- width, (unsigned long long) r->end,
+ width, start,
+ width, end,
r->name ? r->name : "<BAD>");
return 0;
}
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 6db111b3..02b6b5b1 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5785,7 +5785,6 @@
walt_set_window_start(rq);
raw_spin_unlock_irqrestore(&rq->lock, flags);
rq->calc_load_update = calc_load_update;
- account_reset_rq(rq);
break;
case CPU_ONLINE:
@@ -8587,11 +8586,20 @@
if (IS_ERR(tg))
return ERR_PTR(-ENOMEM);
- sched_online_group(tg, parent);
-
return &tg->css;
}
+/* Expose task group only after completing cgroup initialization */
+static int cpu_cgroup_css_online(struct cgroup_subsys_state *css)
+{
+ struct task_group *tg = css_tg(css);
+ struct task_group *parent = css_tg(css->parent);
+
+ if (parent)
+ sched_online_group(tg, parent);
+ return 0;
+}
+
static void cpu_cgroup_css_released(struct cgroup_subsys_state *css)
{
struct task_group *tg = css_tg(css);
@@ -8966,6 +8974,7 @@
struct cgroup_subsys cpu_cgrp_subsys = {
.css_alloc = cpu_cgroup_css_alloc,
+ .css_online = cpu_cgroup_css_online,
.css_released = cpu_cgroup_css_released,
.css_free = cpu_cgroup_css_free,
.fork = cpu_cgroup_fork,
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index e30a22a..506ed393 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1980,16 +1980,3 @@
}
#endif /* CONFIG_64BIT */
#endif /* CONFIG_IRQ_TIME_ACCOUNTING */
-
-static inline void account_reset_rq(struct rq *rq)
-{
-#ifdef CONFIG_IRQ_TIME_ACCOUNTING
- rq->prev_irq_time = 0;
-#endif
-#ifdef CONFIG_PARAVIRT
- rq->prev_steal_time = 0;
-#endif
-#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING
- rq->prev_steal_time_rq = 0;
-#endif
-}
diff --git a/kernel/signal.c b/kernel/signal.c
index b92a047d..5d50ea8 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -346,7 +346,7 @@
* fresh group stop. Read comment in do_signal_stop() for details.
*/
if (!sig->group_stop_count && !(sig->flags & SIGNAL_STOP_STOPPED)) {
- sig->flags = SIGNAL_STOP_STOPPED;
+ signal_set_stop_flags(sig, SIGNAL_STOP_STOPPED);
return true;
}
return false;
@@ -845,7 +845,7 @@
* will take ->siglock, notice SIGNAL_CLD_MASK, and
* notify its parent. See get_signal_to_deliver().
*/
- signal->flags = why | SIGNAL_STOP_CONTINUED;
+ signal_set_stop_flags(signal, why | SIGNAL_STOP_CONTINUED);
signal->group_stop_count = 0;
signal->group_exit_code = 0;
}
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 68163025..f0e5408 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1979,6 +1979,10 @@
if (err && set_str)
append_filter_err(ps, filter);
}
+ if (err && !set_str) {
+ free_event_filter(filter);
+ filter = NULL;
+ }
create_filter_finish(ps);
*filterp = filter;
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 2c2f971..23231237 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3647,8 +3647,12 @@
return -EINVAL;
/* creating multiple pwqs breaks ordering guarantee */
- if (WARN_ON((wq->flags & __WQ_ORDERED) && !list_empty(&wq->pwqs)))
- return -EINVAL;
+ if (!list_empty(&wq->pwqs)) {
+ if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT))
+ return -EINVAL;
+
+ wq->flags &= ~__WQ_ORDERED;
+ }
ctx = apply_wqattrs_prepare(wq, attrs);
@@ -3834,6 +3838,16 @@
struct workqueue_struct *wq;
struct pool_workqueue *pwq;
+ /*
+ * Unbound && max_active == 1 used to imply ordered, which is no
+ * longer the case on NUMA machines due to per-node pools. While
+ * alloc_ordered_workqueue() is the right way to create an ordered
+ * workqueue, keep the previous behavior to avoid subtle breakages
+ * on NUMA.
+ */
+ if ((flags & WQ_UNBOUND) && max_active == 1)
+ flags |= __WQ_ORDERED;
+
/* see the comment above the definition of WQ_POWER_EFFICIENT */
if ((flags & WQ_POWER_EFFICIENT) && wq_power_efficient)
flags |= WQ_UNBOUND;
@@ -4022,13 +4036,14 @@
struct pool_workqueue *pwq;
/* disallow meddling with max_active for ordered workqueues */
- if (WARN_ON(wq->flags & __WQ_ORDERED))
+ if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT))
return;
max_active = wq_clamp_max_active(max_active, wq->flags, wq->name);
mutex_lock(&wq->mutex);
+ wq->flags &= ~__WQ_ORDERED;
wq->saved_max_active = max_active;
for_each_pwq(pwq, wq)
@@ -5154,7 +5169,7 @@
* attributes breaks ordering guarantee. Disallow exposing ordered
* workqueues.
*/
- if (WARN_ON(wq->flags & __WQ_ORDERED))
+ if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT))
return -EINVAL;
wq->wq_dev = wq_dev = kzalloc(sizeof(*wq_dev), GFP_KERNEL);
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 40c4255..87ca155 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -145,7 +145,7 @@
config DEBUG_INFO_SPLIT
bool "Produce split debuginfo in .dwo files"
- depends on DEBUG_INFO
+ depends on DEBUG_INFO && !FRV
help
Generate debug info into separate .dwo files. This significantly
reduces the build directory size for builds with DEBUG_INFO,
diff --git a/mm/internal.h b/mm/internal.h
index 6979b2b..f63f439 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -453,6 +453,7 @@
#ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
void try_to_unmap_flush(void);
void try_to_unmap_flush_dirty(void);
+void flush_tlb_batched_pending(struct mm_struct *mm);
#else
static inline void try_to_unmap_flush(void)
{
@@ -460,6 +461,8 @@
static inline void try_to_unmap_flush_dirty(void)
{
}
-
+static inline void flush_tlb_batched_pending(struct mm_struct *mm)
+{
+}
#endif /* CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH */
#endif /* __MM_INTERNAL_H */
diff --git a/mm/memory.c b/mm/memory.c
index 65aeefb..8cca32d 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1127,6 +1127,7 @@
init_rss_vec(rss);
start_pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
pte = start_pte;
+ flush_tlb_batched_pending(mm);
arch_enter_lazy_mmu_mode();
do {
pte_t ptent = *pte;
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d56142b6..177668a 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -895,11 +895,6 @@
*policy |= (pol->flags & MPOL_MODE_FLAGS);
}
- if (vma) {
- up_read(¤t->mm->mmap_sem);
- vma = NULL;
- }
-
err = 0;
if (nmask) {
if (mpol_store_user_nodemask(pol)) {
diff --git a/mm/migrate.c b/mm/migrate.c
index 72c09de..afedcfa 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -38,6 +38,7 @@
#include <linux/balloon_compaction.h>
#include <linux/mmu_notifier.h>
#include <linux/page_idle.h>
+#include <linux/ptrace.h>
#include <asm/tlbflush.h>
@@ -1483,7 +1484,6 @@
const int __user *, nodes,
int __user *, status, int, flags)
{
- const struct cred *cred = current_cred(), *tcred;
struct task_struct *task;
struct mm_struct *mm;
int err;
@@ -1507,14 +1507,9 @@
/*
* Check if this process has the right to modify the specified
- * process. The right exists if the process has administrative
- * capabilities, superuser privileges or the same
- * userid as the target process.
+ * process. Use the regular "ptrace_may_access()" checks.
*/
- tcred = __task_cred(task);
- if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
- !capable(CAP_SYS_NICE)) {
+ if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS)) {
rcu_read_unlock();
err = -EPERM;
goto out;
diff --git a/mm/mprotect.c b/mm/mprotect.c
index bddb2c7..b8849a3 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -72,6 +72,7 @@
if (!pte)
return 0;
+ flush_tlb_batched_pending(vma->vm_mm);
arch_enter_lazy_mmu_mode();
do {
oldpte = *pte;
diff --git a/mm/mremap.c b/mm/mremap.c
index de824e7..ee9c6c8 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -135,6 +135,7 @@
new_ptl = pte_lockptr(mm, new_pmd);
if (new_ptl != old_ptl)
spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
+ flush_tlb_batched_pending(vma->vm_mm);
arch_enter_lazy_mmu_mode();
for (; old_addr < old_end; old_pte++, old_addr += PAGE_SIZE,
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7aaddc4..d1d95d1 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1529,14 +1529,14 @@
#endif
for (page = start_page; page <= end_page;) {
- /* Make sure we are not inadvertently changing nodes */
- VM_BUG_ON_PAGE(page_to_nid(page) != zone_to_nid(zone), page);
-
if (!pfn_valid_within(page_to_pfn(page))) {
page++;
continue;
}
+ /* Make sure we are not inadvertently changing nodes */
+ VM_BUG_ON_PAGE(page_to_nid(page) != zone_to_nid(zone), page);
+
if (!PageBuddy(page)) {
page++;
continue;
@@ -5885,8 +5885,8 @@
}
if (pages && s)
- pr_info("Freeing %s memory: %ldK (%p - %p)\n",
- s, pages << (PAGE_SHIFT - 10), start, end);
+ pr_info("Freeing %s memory: %ldK\n",
+ s, pages << (PAGE_SHIFT - 10));
return pages;
}
@@ -6848,7 +6848,7 @@
/* Make sure the range is really isolated. */
if (test_pages_isolated(outer_start, end, false)) {
- pr_info("%s: [%lx, %lx) PFNs busy\n",
+ pr_info_ratelimited("%s: [%lx, %lx) PFNs busy\n",
__func__, outer_start, end);
ret = -EBUSY;
goto done;
diff --git a/mm/rmap.c b/mm/rmap.c
index b577fbb..ede183c 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -649,6 +649,13 @@
tlb_ubc->flush_required = true;
/*
+ * Ensure compiler does not re-order the setting of tlb_flush_batched
+ * before the PTE is cleared.
+ */
+ barrier();
+ mm->tlb_flush_batched = true;
+
+ /*
* If the PTE was dirty then it's best to assume it's writable. The
* caller must use try_to_unmap_flush_dirty() or try_to_unmap_flush()
* before the page is queued for IO.
@@ -675,6 +682,35 @@
return should_defer;
}
+
+/*
+ * Reclaim unmaps pages under the PTL but do not flush the TLB prior to
+ * releasing the PTL if TLB flushes are batched. It's possible for a parallel
+ * operation such as mprotect or munmap to race between reclaim unmapping
+ * the page and flushing the page. If this race occurs, it potentially allows
+ * access to data via a stale TLB entry. Tracking all mm's that have TLB
+ * batching in flight would be expensive during reclaim so instead track
+ * whether TLB batching occurred in the past and if so then do a flush here
+ * if required. This will cost one additional flush per reclaim cycle paid
+ * by the first operation at risk such as mprotect and mumap.
+ *
+ * This must be called under the PTL so that an access to tlb_flush_batched
+ * that is potentially a "reclaim vs mprotect/munmap/etc" race will synchronise
+ * via the PTL.
+ */
+void flush_tlb_batched_pending(struct mm_struct *mm)
+{
+ if (mm->tlb_flush_batched) {
+ flush_tlb_mm(mm);
+
+ /*
+ * Do not allow the compiler to re-order the clearing of
+ * tlb_flush_batched before the tlb is flushed.
+ */
+ barrier();
+ mm->tlb_flush_batched = false;
+ }
+}
#else
static void set_tlb_ubc_flush_pending(struct mm_struct *mm,
struct page *page, bool writable)
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index e20ae2d..5e4199d 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -292,6 +292,10 @@
if (ether_addr_equal(vlan->real_dev_addr, dev->dev_addr))
return;
+ /* vlan continues to inherit address of lower device */
+ if (vlan_dev_inherit_address(vlandev, dev))
+ goto out;
+
/* vlan address was different from the old address and is equal to
* the new address */
if (!ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) &&
@@ -304,6 +308,7 @@
!ether_addr_equal(vlandev->dev_addr, dev->dev_addr))
dev_uc_add(dev, vlandev->dev_addr);
+out:
ether_addr_copy(vlan->real_dev_addr, dev->dev_addr);
}
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 9d010a09..cc15579 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -109,6 +109,8 @@
void vlan_setup(struct net_device *dev);
int register_vlan_dev(struct net_device *dev);
void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
+bool vlan_dev_inherit_address(struct net_device *dev,
+ struct net_device *real_dev);
static inline u32 vlan_get_ingress_priority(struct net_device *dev,
u16 vlan_tci)
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index fded865..ca4dc90 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -244,6 +244,17 @@
strncpy(result, vlan_dev_priv(dev)->real_dev->name, 23);
}
+bool vlan_dev_inherit_address(struct net_device *dev,
+ struct net_device *real_dev)
+{
+ if (dev->addr_assign_type != NET_ADDR_STOLEN)
+ return false;
+
+ ether_addr_copy(dev->dev_addr, real_dev->dev_addr);
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+ return true;
+}
+
static int vlan_dev_open(struct net_device *dev)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
@@ -254,7 +265,8 @@
!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
return -ENETDOWN;
- if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) {
+ if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr) &&
+ !vlan_dev_inherit_address(dev, real_dev)) {
err = dev_uc_add(real_dev, dev->dev_addr);
if (err < 0)
goto out;
@@ -558,8 +570,10 @@
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
- if (is_zero_ether_addr(dev->dev_addr))
- eth_hw_addr_inherit(dev, real_dev);
+ if (is_zero_ether_addr(dev->dev_addr)) {
+ ether_addr_copy(dev->dev_addr, real_dev->dev_addr);
+ dev->addr_assign_type = NET_ADDR_STOLEN;
+ }
if (is_zero_ether_addr(dev->broadcast))
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index fbf251fe..4d6b94d 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -484,16 +484,16 @@
struct net_device *dev = s->dev;
struct sock *sk = s->sock->sk;
struct sk_buff *skb;
- wait_queue_t wait;
+ DEFINE_WAIT_FUNC(wait, woken_wake_function);
BT_DBG("");
set_user_nice(current, -15);
- init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
while (1) {
- set_current_state(TASK_INTERRUPTIBLE);
+ /* Ensure session->terminate is updated */
+ smp_mb__before_atomic();
if (atomic_read(&s->terminate))
break;
@@ -515,9 +515,8 @@
break;
netif_wake_queue(dev);
- schedule();
+ wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
}
- __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
/* Cleanup session */
@@ -666,7 +665,7 @@
s = __bnep_get_session(req->dst);
if (s) {
atomic_inc(&s->terminate);
- wake_up_process(s->task);
+ wake_up_interruptible(sk_sleep(s->sock->sk));
} else
err = -ENOENT;
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 9e59b66..1152ce3 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -280,16 +280,16 @@
struct cmtp_session *session = arg;
struct sock *sk = session->sock->sk;
struct sk_buff *skb;
- wait_queue_t wait;
+ DEFINE_WAIT_FUNC(wait, woken_wake_function);
BT_DBG("session %p", session);
set_user_nice(current, -15);
- init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
while (1) {
- set_current_state(TASK_INTERRUPTIBLE);
+ /* Ensure session->terminate is updated */
+ smp_mb__before_atomic();
if (atomic_read(&session->terminate))
break;
@@ -306,9 +306,8 @@
cmtp_process_transmit(session);
- schedule();
+ wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
}
- __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
down_write(&cmtp_session_sem);
@@ -393,7 +392,7 @@
err = cmtp_attach_device(session);
if (err < 0) {
atomic_inc(&session->terminate);
- wake_up_process(session->task);
+ wake_up_interruptible(sk_sleep(session->sock->sk));
up_write(&cmtp_session_sem);
return err;
}
@@ -431,7 +430,11 @@
/* Stop session thread */
atomic_inc(&session->terminate);
- wake_up_process(session->task);
+
+ /* Ensure session->terminate is updated */
+ smp_mb__after_atomic();
+
+ wake_up_interruptible(sk_sleep(session->sock->sk));
} else
err = -ENOENT;
diff --git a/net/core/dev.c b/net/core/dev.c
index 4b08531..24d2430 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2551,7 +2551,7 @@
{
if (tx_path)
return skb->ip_summed != CHECKSUM_PARTIAL &&
- skb->ip_summed != CHECKSUM_NONE;
+ skb->ip_summed != CHECKSUM_UNNECESSARY;
return skb->ip_summed == CHECKSUM_NONE;
}
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index b94b1d29..151e047 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -28,6 +28,7 @@
if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
return -EFAULT;
+ ifr.ifr_name[IFNAMSIZ-1] = 0;
error = netdev_get_name(net, ifr.ifr_name, ifr.ifr_ifindex);
if (error)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 2ec5324..5b3d611 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1742,7 +1742,8 @@
struct sockaddr *sa;
int len;
- len = sizeof(sa_family_t) + dev->addr_len;
+ len = sizeof(sa_family_t) + max_t(size_t, dev->addr_len,
+ sizeof(*sa));
sa = kmalloc(len, GFP_KERNEL);
if (!sa) {
err = -ENOMEM;
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index 1704948..f227f00 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -1471,9 +1471,12 @@
* singleton values (which always leads to failure).
* These settings can still (later) be overridden via sockopts.
*/
- if (ccid_get_builtin_ccids(&tx.val, &tx.len) ||
- ccid_get_builtin_ccids(&rx.val, &rx.len))
+ if (ccid_get_builtin_ccids(&tx.val, &tx.len))
return -ENOBUFS;
+ if (ccid_get_builtin_ccids(&rx.val, &rx.len)) {
+ kfree(tx.val);
+ return -ENOBUFS;
+ }
if (!dccp_feat_prefer(sysctl_dccp_tx_ccid, tx.val, tx.len) ||
!dccp_feat_prefer(sysctl_dccp_rx_ccid, rx.val, rx.len))
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 914aa0f..90f2438 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -629,6 +629,7 @@
goto drop_and_free;
inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
+ reqsk_put(req);
return 0;
drop_and_free:
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index bdd3107..0b0613e 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -376,6 +376,7 @@
goto drop_and_free;
inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
+ reqsk_put(req);
return 0;
drop_and_free:
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 9fe25bf63..b68168f 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -24,6 +24,7 @@
#include <net/checksum.h>
#include <net/inet_sock.h>
+#include <net/inet_common.h>
#include <net/sock.h>
#include <net/xfrm.h>
@@ -170,6 +171,15 @@
EXPORT_SYMBOL_GPL(dccp_packet_name);
+static void dccp_sk_destruct(struct sock *sk)
+{
+ struct dccp_sock *dp = dccp_sk(sk);
+
+ ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
+ dp->dccps_hc_tx_ccid = NULL;
+ inet_sock_destruct(sk);
+}
+
int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
{
struct dccp_sock *dp = dccp_sk(sk);
@@ -179,6 +189,7 @@
icsk->icsk_syn_retries = sysctl_dccp_request_retries;
sk->sk_state = DCCP_CLOSED;
sk->sk_write_space = dccp_write_space;
+ sk->sk_destruct = dccp_sk_destruct;
icsk->icsk_sync_mss = dccp_sync_mss;
dp->dccps_mss_cache = 536;
dp->dccps_rate_last = jiffies;
@@ -201,10 +212,7 @@
{
struct dccp_sock *dp = dccp_sk(sk);
- /*
- * DCCP doesn't use sk_write_queue, just sk_send_head
- * for retransmissions
- */
+ __skb_queue_purge(&sk->sk_write_queue);
if (sk->sk_send_head != NULL) {
kfree_skb(sk->sk_send_head);
sk->sk_send_head = NULL;
@@ -222,8 +230,7 @@
dp->dccps_hc_rx_ackvec = NULL;
}
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
- ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
- dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
+ dp->dccps_hc_rx_ccid = NULL;
/* clean up feature negotiation state */
dccp_feat_list_purge(&dp->dccps_featneg);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 7c4c881..ee94bd3 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1320,13 +1320,14 @@
void __init ip_fib_init(void)
{
- rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL);
- rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL);
- rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL);
+ fib_trie_init();
register_pernet_subsys(&fib_net_ops);
+
register_netdevice_notifier(&fib_netdev_notifier);
register_inetaddr_notifier(&fib_inetaddr_notifier);
- fib_trie_init();
+ rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL);
+ rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL);
+ rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL);
}
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index b250471..313e3c1 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1044,15 +1044,17 @@
fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
if (!fi)
goto failure;
- fib_info_cnt++;
if (cfg->fc_mx) {
fi->fib_metrics = kzalloc(sizeof(*fi->fib_metrics), GFP_KERNEL);
- if (!fi->fib_metrics)
- goto failure;
+ if (unlikely(!fi->fib_metrics)) {
+ kfree(fi);
+ return ERR_PTR(err);
+ }
atomic_set(&fi->fib_metrics->refcnt, 1);
- } else
+ } else {
fi->fib_metrics = (struct dst_metrics *)&dst_default_metrics;
-
+ }
+ fib_info_cnt++;
fi->fib_net = net;
fi->fib_protocol = cfg->fc_protocol;
fi->fib_scope = cfg->fc_scope;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 661bda9..62e41d3 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -922,10 +922,12 @@
csummode = CHECKSUM_PARTIAL;
cork->length += length;
- if (((length > mtu) || (skb && skb_is_gso(skb))) &&
+ if ((skb && skb_is_gso(skb)) ||
+ (((length + (skb ? skb->len : fragheaderlen)) > mtu) &&
+ (skb_queue_len(queue) <= 1) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
- (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) {
+ (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx)) {
err = ip_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, transhdrlen,
maxfraglen, flags);
@@ -1241,6 +1243,7 @@
return -EINVAL;
if ((size + skb->len > mtu) &&
+ (skb_queue_len(&sk->sk_write_queue) == 1) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO)) {
if (skb->ip_summed != CHECKSUM_PARTIAL)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index fd15e55..5bdc0ca 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1247,7 +1247,7 @@
if (mtu)
return mtu;
- mtu = dst->dev->mtu;
+ mtu = READ_ONCE(dst->dev->mtu);
if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
if (rt->rt_uses_gateway && mtu > 576)
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 54e2e51..4a4a2ac 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -337,6 +337,7 @@
treq = tcp_rsk(req);
treq->rcv_isn = ntohl(th->seq) - 1;
treq->snt_isn = cookie;
+ treq->txhash = net_tx_rndhash();
req->mss = mss;
ireq->ir_num = ntohs(th->dest);
ireq->ir_rmt_port = th->source;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 75666d7..a1f479e 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2503,8 +2503,8 @@
struct tcp_sock *tp = tcp_sk(sk);
/* Reset cwnd to ssthresh in CWR or Recovery (unless it's undone) */
- if (inet_csk(sk)->icsk_ca_state == TCP_CA_CWR ||
- (tp->undo_marker && tp->snd_ssthresh < TCP_INFINITE_SSTHRESH)) {
+ if (tp->snd_ssthresh < TCP_INFINITE_SSTHRESH &&
+ (inet_csk(sk)->icsk_ca_state == TCP_CA_CWR || tp->undo_marker)) {
tp->snd_cwnd = tp->snd_ssthresh;
tp->snd_cwnd_stamp = tcp_time_stamp;
}
@@ -3028,8 +3028,7 @@
/* delta may not be positive if the socket is locked
* when the retrans timer fires and is rescheduled.
*/
- if (delta > 0)
- rto = delta;
+ rto = max(delta, 1);
}
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, rto,
TCP_RTO_MAX);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index d563f6f..40a3faa 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3245,6 +3245,9 @@
struct sk_buff *buff;
int err;
+ if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
+ return -EHOSTUNREACH; /* Routing failure or similar. */
+
tcp_connect_init(sk);
if (unlikely(tp->repair)) {
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index ebb34d0..1ec12a4 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -606,7 +606,8 @@
goto death;
}
- if (!sock_flag(sk, SOCK_KEEPOPEN) || sk->sk_state == TCP_CLOSE)
+ if (!sock_flag(sk, SOCK_KEEPOPEN) ||
+ ((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)))
goto out;
elapsed = keepalive_time_when(tp);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 213ea8e..143a574 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -819,7 +819,7 @@
if (is_udplite) /* UDP-Lite */
csum = udplite_csum(skb);
- else if (sk->sk_no_check_tx) { /* UDP csum disabled */
+ else if (sk->sk_no_check_tx && !skb_is_gso(skb)) { /* UDP csum off */
skb->ip_summed = CHECKSUM_NONE;
goto send;
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 6396f1c..6dfc3da 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -231,7 +231,7 @@
if (uh->check == 0)
uh->check = CSUM_MANGLED_0;
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
/* Fragment the skb. IP headers of the fragments are updated in
* inet_gso_segment()
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index f60e8ca..aad8cdf 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -892,6 +892,8 @@
}
nsiblings = iter->rt6i_nsiblings;
fib6_purge_rt(iter, fn, info->nl_net);
+ if (fn->rr_ptr == iter)
+ fn->rr_ptr = NULL;
rt6_release(iter);
if (nsiblings) {
@@ -904,6 +906,8 @@
if (rt6_qualify_for_ecmp(iter)) {
*ins = iter->dst.rt6_next;
fib6_purge_rt(iter, fn, info->nl_net);
+ if (fn->rr_ptr == iter)
+ fn->rr_ptr = NULL;
rt6_release(iter);
nsiblings--;
} else {
@@ -992,7 +996,7 @@
/* Create subtree root node */
sfn = node_alloc();
if (!sfn)
- goto st_failure;
+ goto failure;
sfn->leaf = info->nl_net->ipv6.ip6_null_entry;
atomic_inc(&info->nl_net->ipv6.ip6_null_entry->rt6i_ref);
@@ -1008,12 +1012,12 @@
if (IS_ERR(sn)) {
/* If it is failed, discard just allocated
- root, and then (in st_failure) stale node
+ root, and then (in failure) stale node
in main tree.
*/
node_free(sfn);
err = PTR_ERR(sn);
- goto st_failure;
+ goto failure;
}
/* Now link new subtree to main tree */
@@ -1027,7 +1031,7 @@
if (IS_ERR(sn)) {
err = PTR_ERR(sn);
- goto st_failure;
+ goto failure;
}
}
@@ -1069,22 +1073,22 @@
atomic_inc(&pn->leaf->rt6i_ref);
}
#endif
- if (!(rt->dst.flags & DST_NOCACHE))
- dst_free(&rt->dst);
+ goto failure;
}
return err;
-#ifdef CONFIG_IPV6_SUBTREES
- /* Subtree creation failed, probably main tree node
- is orphan. If it is, shoot it.
+failure:
+ /* fn->leaf could be NULL if fn is an intermediate node and we
+ * failed to add the new route to it in both subtree creation
+ * failure and fib6_add_rt2node() failure case.
+ * In both cases, fib6_repair_tree() should be called to fix
+ * fn->leaf.
*/
-st_failure:
if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
fib6_repair_tree(info->nl_net, fn);
if (!(rt->dst.flags & DST_NOCACHE))
dst_free(&rt->dst);
return err;
-#endif
}
/*
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 7d339fc..e22339f 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -647,8 +647,6 @@
*prevhdr = NEXTHDR_FRAGMENT;
tmp_hdr = kmemdup(skb_network_header(skb), hlen, GFP_ATOMIC);
if (!tmp_hdr) {
- IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
- IPSTATS_MIB_FRAGFAILS);
err = -ENOMEM;
goto fail;
}
@@ -767,8 +765,6 @@
frag = alloc_skb(len + hlen + sizeof(struct frag_hdr) +
hroom + troom, GFP_ATOMIC);
if (!frag) {
- IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
- IPSTATS_MIB_FRAGFAILS);
err = -ENOMEM;
goto fail;
}
@@ -1361,11 +1357,12 @@
*/
cork->length += length;
- if (((length > mtu) ||
- (skb && skb_is_gso(skb))) &&
+ if ((skb && skb_is_gso(skb)) ||
+ (((length + (skb ? skb->len : headersize)) > mtu) &&
+ (skb_queue_len(queue) <= 1) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO) &&
- (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) {
+ (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk))) {
err = ip6_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, exthdrlen,
transhdrlen, mtu, flags, fl6);
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 94bed2d..513af88 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -210,6 +210,7 @@
treq->snt_synack.v64 = 0;
treq->rcv_isn = ntohl(th->seq) - 1;
treq->snt_isn = cookie;
+ treq->txhash = net_tx_rndhash();
/*
* We need to lookup the dst_entry to get the correct window size.
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index 0158296..2e3c12e 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -86,7 +86,7 @@
if (uh->check == 0)
uh->check = CSUM_MANGLED_0;
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
/* Check if there is enough headroom to insert fragment header. */
tnl_hlen = skb_tnl_header_len(skb);
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 8d2f7c9b..4a116d7 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -2227,7 +2227,7 @@
{
struct sock *sk = sock->sk;
struct irda_sock *self = irda_sk(sk);
- struct irda_device_list list;
+ struct irda_device_list list = { 0 };
struct irda_device_info *discoveries;
struct irda_ias_set * ias_opt; /* IAS get/query params */
struct ias_object * ias_obj; /* Object in IAS */
diff --git a/net/key/af_key.c b/net/key/af_key.c
index d8d95b6..94bf810 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -63,6 +63,7 @@
} u;
struct sk_buff *skb;
} dump;
+ struct mutex dump_lock;
};
static int parse_sockaddr_pair(struct sockaddr *sa, int ext_len,
@@ -143,6 +144,7 @@
{
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *sk;
+ struct pfkey_sock *pfk;
int err;
if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
@@ -157,6 +159,9 @@
if (sk == NULL)
goto out;
+ pfk = pfkey_sk(sk);
+ mutex_init(&pfk->dump_lock);
+
sock->ops = &pfkey_ops;
sock_init_data(sock, sk);
@@ -223,7 +228,7 @@
#define BROADCAST_ONE 1
#define BROADCAST_REGISTERED 2
#define BROADCAST_PROMISC_ONLY 4
-static int pfkey_broadcast(struct sk_buff *skb,
+static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
int broadcast_flags, struct sock *one_sk,
struct net *net)
{
@@ -273,7 +278,7 @@
rcu_read_unlock();
if (one_sk != NULL)
- err = pfkey_broadcast_one(skb, &skb2, GFP_KERNEL, one_sk);
+ err = pfkey_broadcast_one(skb, &skb2, allocation, one_sk);
kfree_skb(skb2);
kfree_skb(skb);
@@ -285,23 +290,36 @@
struct sadb_msg *hdr;
int rc;
+ mutex_lock(&pfk->dump_lock);
+ if (!pfk->dump.dump) {
+ rc = 0;
+ goto out;
+ }
+
rc = pfk->dump.dump(pfk);
- if (rc == -ENOBUFS)
- return 0;
+ if (rc == -ENOBUFS) {
+ rc = 0;
+ goto out;
+ }
if (pfk->dump.skb) {
- if (!pfkey_can_dump(&pfk->sk))
- return 0;
+ if (!pfkey_can_dump(&pfk->sk)) {
+ rc = 0;
+ goto out;
+ }
hdr = (struct sadb_msg *) pfk->dump.skb->data;
hdr->sadb_msg_seq = 0;
hdr->sadb_msg_errno = rc;
- pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
&pfk->sk, sock_net(&pfk->sk));
pfk->dump.skb = NULL;
}
pfkey_terminate_dump(pfk);
+
+out:
+ mutex_unlock(&pfk->dump_lock);
return rc;
}
@@ -337,7 +355,7 @@
hdr->sadb_msg_len = (sizeof(struct sadb_msg) /
sizeof(uint64_t));
- pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk));
+ pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ONE, sk, sock_net(sk));
return 0;
}
@@ -1378,7 +1396,7 @@
xfrm_state_put(x);
- pfkey_broadcast(resp_skb, BROADCAST_ONE, sk, net);
+ pfkey_broadcast(resp_skb, GFP_KERNEL, BROADCAST_ONE, sk, net);
return 0;
}
@@ -1465,7 +1483,7 @@
hdr->sadb_msg_seq = c->seq;
hdr->sadb_msg_pid = c->portid;
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, xs_net(x));
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xs_net(x));
return 0;
}
@@ -1578,7 +1596,7 @@
out_hdr->sadb_msg_reserved = 0;
out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, BROADCAST_ONE, sk, sock_net(sk));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk));
return 0;
}
@@ -1683,8 +1701,8 @@
return -ENOBUFS;
}
- pfkey_broadcast(supp_skb, BROADCAST_REGISTERED, sk, sock_net(sk));
-
+ pfkey_broadcast(supp_skb, GFP_KERNEL, BROADCAST_REGISTERED, sk,
+ sock_net(sk));
return 0;
}
@@ -1702,7 +1720,8 @@
hdr->sadb_msg_errno = (uint8_t) 0;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
- return pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk));
+ return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk,
+ sock_net(sk));
}
static int key_notify_sa_flush(const struct km_event *c)
@@ -1723,7 +1742,7 @@
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
hdr->sadb_msg_reserved = 0;
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, c->net);
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
return 0;
}
@@ -1780,7 +1799,7 @@
out_hdr->sadb_msg_pid = pfk->dump.msg_portid;
if (pfk->dump.skb)
- pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
&pfk->sk, sock_net(&pfk->sk));
pfk->dump.skb = out_skb;
@@ -1806,19 +1825,26 @@
struct xfrm_address_filter *filter = NULL;
struct pfkey_sock *pfk = pfkey_sk(sk);
- if (pfk->dump.dump != NULL)
+ mutex_lock(&pfk->dump_lock);
+ if (pfk->dump.dump != NULL) {
+ mutex_unlock(&pfk->dump_lock);
return -EBUSY;
+ }
proto = pfkey_satype2proto(hdr->sadb_msg_satype);
- if (proto == 0)
+ if (proto == 0) {
+ mutex_unlock(&pfk->dump_lock);
return -EINVAL;
+ }
if (ext_hdrs[SADB_X_EXT_FILTER - 1]) {
struct sadb_x_filter *xfilter = ext_hdrs[SADB_X_EXT_FILTER - 1];
filter = kmalloc(sizeof(*filter), GFP_KERNEL);
- if (filter == NULL)
+ if (filter == NULL) {
+ mutex_unlock(&pfk->dump_lock);
return -ENOMEM;
+ }
memcpy(&filter->saddr, &xfilter->sadb_x_filter_saddr,
sizeof(xfrm_address_t));
@@ -1834,6 +1860,7 @@
pfk->dump.dump = pfkey_dump_sa;
pfk->dump.done = pfkey_dump_sa_done;
xfrm_state_walk_init(&pfk->dump.u.state, proto, filter);
+ mutex_unlock(&pfk->dump_lock);
return pfkey_do_dump(pfk);
}
@@ -1860,7 +1887,7 @@
new_hdr->sadb_msg_errno = 0;
}
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, sock_net(sk));
+ pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ALL, NULL, sock_net(sk));
return 0;
}
@@ -2193,7 +2220,7 @@
out_hdr->sadb_msg_errno = 0;
out_hdr->sadb_msg_seq = c->seq;
out_hdr->sadb_msg_pid = c->portid;
- pfkey_broadcast(out_skb, BROADCAST_ALL, NULL, xp_net(xp));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
return 0;
}
@@ -2413,7 +2440,7 @@
out_hdr->sadb_msg_errno = 0;
out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, BROADCAST_ONE, sk, xp_net(xp));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, xp_net(xp));
err = 0;
out:
@@ -2669,7 +2696,7 @@
out_hdr->sadb_msg_pid = pfk->dump.msg_portid;
if (pfk->dump.skb)
- pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
&pfk->sk, sock_net(&pfk->sk));
pfk->dump.skb = out_skb;
@@ -2693,14 +2720,18 @@
{
struct pfkey_sock *pfk = pfkey_sk(sk);
- if (pfk->dump.dump != NULL)
+ mutex_lock(&pfk->dump_lock);
+ if (pfk->dump.dump != NULL) {
+ mutex_unlock(&pfk->dump_lock);
return -EBUSY;
+ }
pfk->dump.msg_version = hdr->sadb_msg_version;
pfk->dump.msg_portid = hdr->sadb_msg_pid;
pfk->dump.dump = pfkey_dump_sp;
pfk->dump.done = pfkey_dump_sp_done;
xfrm_policy_walk_init(&pfk->dump.u.policy, XFRM_POLICY_TYPE_MAIN);
+ mutex_unlock(&pfk->dump_lock);
return pfkey_do_dump(pfk);
}
@@ -2722,7 +2753,7 @@
hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
hdr->sadb_msg_reserved = 0;
- pfkey_broadcast(skb_out, BROADCAST_ALL, NULL, c->net);
+ pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
return 0;
}
@@ -2784,7 +2815,7 @@
void *ext_hdrs[SADB_EXT_MAX];
int err;
- pfkey_broadcast(skb_clone(skb, GFP_KERNEL),
+ pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL,
BROADCAST_PROMISC_ONLY, NULL, sock_net(sk));
memset(ext_hdrs, 0, sizeof(ext_hdrs));
@@ -3006,7 +3037,8 @@
out_hdr->sadb_msg_seq = 0;
out_hdr->sadb_msg_pid = 0;
- pfkey_broadcast(out_skb, BROADCAST_REGISTERED, NULL, xs_net(x));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
+ xs_net(x));
return 0;
}
@@ -3196,7 +3228,8 @@
xfrm_ctx->ctx_len);
}
- return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x));
+ return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
+ xs_net(x));
}
static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt,
@@ -3394,7 +3427,8 @@
n_port->sadb_x_nat_t_port_port = sport;
n_port->sadb_x_nat_t_port_reserved = 0;
- return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x));
+ return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
+ xs_net(x));
}
#ifdef CONFIG_NET_KEY_MIGRATE
@@ -3586,7 +3620,7 @@
}
/* broadcast migrate message to sockets */
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, &init_net);
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, &init_net);
return 0;
diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index 1a95459..531ca55 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -53,7 +53,11 @@
rcu_read_lock();
t = rcu_dereference(nf_ct_ext_types[id]);
- BUG_ON(t == NULL);
+ if (!t) {
+ rcu_read_unlock();
+ return NULL;
+ }
+
off = ALIGN(sizeof(struct nf_ct_ext), t->align);
len = off + t->len + var_alloc_len;
alloc_size = t->alloc_size + var_alloc_len;
@@ -88,7 +92,10 @@
rcu_read_lock();
t = rcu_dereference(nf_ct_ext_types[id]);
- BUG_ON(t == NULL);
+ if (!t) {
+ rcu_read_unlock();
+ return NULL;
+ }
newoff = ALIGN(old->len, t->align);
newlen = newoff + t->len + var_alloc_len;
@@ -186,6 +193,6 @@
RCU_INIT_POINTER(nf_ct_ext_types[type->id], NULL);
update_alloc_size(type);
mutex_unlock(&nf_ct_ext_type_mutex);
- rcu_barrier(); /* Wait for completion of call_rcu()'s */
+ synchronize_rcu();
}
EXPORT_SYMBOL_GPL(nf_ct_extend_unregister);
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index ad58d2a..6a2507f 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -577,8 +577,8 @@
nla_for_each_nested(a, attr, rem) {
int type = nla_type(a);
- int maxlen = ovs_ct_attr_lens[type].maxlen;
- int minlen = ovs_ct_attr_lens[type].minlen;
+ int maxlen;
+ int minlen;
if (type > OVS_CT_ATTR_MAX) {
OVS_NLERR(log,
@@ -586,6 +586,9 @@
type, OVS_CT_ATTR_MAX);
return -EINVAL;
}
+
+ maxlen = ovs_ct_attr_lens[type].maxlen;
+ minlen = ovs_ct_attr_lens[type].minlen;
if (nla_len(a) < minlen || nla_len(a) > maxlen) {
OVS_NLERR(log,
"Conntrack attr type has unexpected length (type=%d, length=%d, expected=%d)",
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f8d6a0c..148ec13 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3622,14 +3622,19 @@
if (optlen != sizeof(val))
return -EINVAL;
- if (po->rx_ring.pg_vec || po->tx_ring.pg_vec)
- return -EBUSY;
if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
if (val > INT_MAX)
return -EINVAL;
- po->tp_reserve = val;
- return 0;
+ lock_sock(sk);
+ if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) {
+ ret = -EBUSY;
+ } else {
+ po->tp_reserve = val;
+ ret = 0;
+ }
+ release_sock(sk);
+ return ret;
}
case PACKET_LOSS:
{
@@ -4225,7 +4230,7 @@
register_prot_hook(sk);
}
spin_unlock(&po->bind_lock);
- if (closing && (po->tp_version > TPACKET_V2)) {
+ if (pg_vec && (po->tp_version > TPACKET_V2)) {
/* Because we don't support block-based V3 on tx-ring */
if (!tx_ring)
prb_shutdown_retire_blk_timer(po, rb_queue);
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index d058696..075b0d2 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -34,6 +34,7 @@
{
struct xt_tgchk_param par;
struct xt_target *target;
+ struct ipt_entry e = {};
int ret = 0;
target = xt_request_find_target(AF_INET, t->u.user.name,
@@ -42,8 +43,9 @@
return PTR_ERR(target);
t->u.kernel.target = target;
+ memset(&par, 0, sizeof(par));
par.table = table;
- par.entryinfo = NULL;
+ par.entryinfo = &e;
par.target = target;
par.targinfo = t->data;
par.hook_mask = hook;
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 4431e28..3f2c3ee 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -434,6 +434,7 @@
qdisc_drop(head, sch);
slot_queue_add(slot, skb);
+ qdisc_tree_reduce_backlog(sch, 0, delta);
return NET_XMIT_CN;
}
@@ -465,8 +466,10 @@
/* Return Congestion Notification only if we dropped a packet
* from this flow.
*/
- if (qlen != slot->qlen)
+ if (qlen != slot->qlen) {
+ qdisc_tree_reduce_backlog(sch, 0, dropped - qdisc_pkt_len(skb));
return NET_XMIT_CN;
+ }
/* As we dropped a packet, better let upper stack know this */
qdisc_tree_reduce_backlog(sch, 1, dropped);
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 7527c16..e33e9bd 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -510,7 +510,9 @@
{
addr->sa.sa_family = AF_INET6;
addr->v6.sin6_port = port;
+ addr->v6.sin6_flowinfo = 0;
addr->v6.sin6_addr = *saddr;
+ addr->v6.sin6_scope_id = 0;
}
/* Compare addresses exactly.
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index a0c9057..f86c655 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -258,13 +258,15 @@
arg = nlmsg_new(0, GFP_KERNEL);
if (!arg) {
kfree_skb(msg->rep);
+ msg->rep = NULL;
return -ENOMEM;
}
err = __tipc_nl_compat_dumpit(cmd, msg, arg);
- if (err)
+ if (err) {
kfree_skb(msg->rep);
-
+ msg->rep = NULL;
+ }
kfree_skb(arg);
return err;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 8a0fdd8..77055a3 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1216,7 +1216,7 @@
}
static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir,
- const struct flowi *fl)
+ const struct flowi *fl, u16 family)
{
struct xfrm_policy *pol;
struct net *net = sock_net(sk);
@@ -1225,8 +1225,7 @@
read_lock_bh(&net->xfrm.xfrm_policy_lock);
pol = rcu_dereference(sk->sk_policy[dir]);
if (pol != NULL) {
- bool match = xfrm_selector_match(&pol->selector, fl,
- sk->sk_family);
+ bool match = xfrm_selector_match(&pol->selector, fl, family);
int err = 0;
if (match) {
@@ -2174,7 +2173,7 @@
sk = sk_const_to_full_sk(sk);
if (sk && sk->sk_policy[XFRM_POLICY_OUT]) {
num_pols = 1;
- pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl);
+ pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl, family);
err = xfrm_expand_policies(fl, family, pols,
&num_pols, &num_xfrms);
if (err < 0)
@@ -2453,7 +2452,7 @@
pol = NULL;
sk = sk_to_full_sk(sk);
if (sk && sk->sk_policy[dir]) {
- pol = xfrm_sk_policy_lookup(sk, dir, &fl);
+ pol = xfrm_sk_policy_lookup(sk, dir, &fl, family);
if (IS_ERR(pol)) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINPOLERROR);
return 0;
diff --git a/sound/core/control.c b/sound/core/control.c
index b4fe9b0..bd01d49 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1126,7 +1126,7 @@
mutex_lock(&ue->card->user_ctl_lock);
change = ue->tlv_data_size != size;
if (!change)
- change = memcmp(ue->tlv_data, new_data, size);
+ change = memcmp(ue->tlv_data, new_data, size) != 0;
kfree(ue->tlv_data);
ue->tlv_data = new_data;
ue->tlv_data_size = size;
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index c67f9c2..e326c1d 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1530,19 +1530,14 @@
void __user *arg)
{
struct snd_seq_queue_info info;
- int result;
struct snd_seq_queue *q;
if (copy_from_user(&info, arg, sizeof(info)))
return -EFAULT;
- result = snd_seq_queue_alloc(client->number, info.locked, info.flags);
- if (result < 0)
- return result;
-
- q = queueptr(result);
- if (q == NULL)
- return -EINVAL;
+ q = snd_seq_queue_alloc(client->number, info.locked, info.flags);
+ if (IS_ERR(q))
+ return PTR_ERR(q);
info.queue = q->queue;
info.locked = q->locked;
@@ -1552,7 +1547,7 @@
if (! info.name[0])
snprintf(info.name, sizeof(info.name), "Queue-%d", q->queue);
strlcpy(q->name, info.name, sizeof(q->name));
- queuefree(q);
+ snd_use_lock_free(&q->use_lock);
if (copy_to_user(arg, &info, sizeof(info)))
return -EFAULT;
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
index 450c518..79e0c56 100644
--- a/sound/core/seq/seq_queue.c
+++ b/sound/core/seq/seq_queue.c
@@ -184,22 +184,26 @@
static void queue_use(struct snd_seq_queue *queue, int client, int use);
/* allocate a new queue -
- * return queue index value or negative value for error
+ * return pointer to new queue or ERR_PTR(-errno) for error
+ * The new queue's use_lock is set to 1. It is the caller's responsibility to
+ * call snd_use_lock_free(&q->use_lock).
*/
-int snd_seq_queue_alloc(int client, int locked, unsigned int info_flags)
+struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int info_flags)
{
struct snd_seq_queue *q;
q = queue_new(client, locked);
if (q == NULL)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
q->info_flags = info_flags;
queue_use(q, client, 1);
+ snd_use_lock_use(&q->use_lock);
if (queue_list_add(q) < 0) {
+ snd_use_lock_free(&q->use_lock);
queue_delete(q);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
- return q->queue;
+ return q;
}
/* delete a queue - queue must be owned by the client */
diff --git a/sound/core/seq/seq_queue.h b/sound/core/seq/seq_queue.h
index 30c8111..7190934 100644
--- a/sound/core/seq/seq_queue.h
+++ b/sound/core/seq/seq_queue.h
@@ -71,7 +71,7 @@
/* create new queue (constructor) */
-int snd_seq_queue_alloc(int client, int locked, unsigned int flags);
+struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int flags);
/* delete queue (destructor) */
int snd_seq_queue_delete(int client, int queueid);
diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c
index 7417718..d3125c1 100644
--- a/sound/pci/au88x0/au88x0_core.c
+++ b/sound/pci/au88x0/au88x0_core.c
@@ -2150,8 +2150,7 @@
stream->resources, en,
VORTEX_RESOURCE_SRC)) < 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
if (stream->type != VORTEX_PCM_A3D) {
@@ -2161,7 +2160,7 @@
VORTEX_RESOURCE_MIXIN)) < 0) {
memset(stream->resources,
0,
- sizeof(unsigned char) * VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
}
@@ -2174,8 +2173,7 @@
stream->resources, en,
VORTEX_RESOURCE_A3D)) < 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
dev_err(vortex->card->dev,
"out of A3D sources. Sorry\n");
return -EBUSY;
@@ -2289,8 +2287,7 @@
VORTEX_RESOURCE_MIXOUT))
< 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
if ((src[i] =
@@ -2298,8 +2295,7 @@
stream->resources, en,
VORTEX_RESOURCE_SRC)) < 0) {
memset(stream->resources, 0,
- sizeof(unsigned char) *
- VORTEX_RESOURCE_LAST);
+ sizeof(stream->resources));
return -EBUSY;
}
}
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 46f7b02..ac5de43 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -854,6 +854,7 @@
SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
+ SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI),
SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004),
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 46a3403..5cab24f 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2233,6 +2233,7 @@
SND_PCI_QUIRK(0x1043, 0x8691, "ASUS ROG Ranger VIII", ALC882_FIXUP_GPIO3),
SND_PCI_QUIRK(0x104d, 0x9047, "Sony Vaio TT", ALC889_FIXUP_VAIO_TT),
SND_PCI_QUIRK(0x104d, 0x905a, "Sony Vaio Z", ALC882_FIXUP_NO_PRIMARY_HP),
+ SND_PCI_QUIRK(0x104d, 0x9060, "Sony Vaio VPCL14M1R", ALC882_FIXUP_NO_PRIMARY_HP),
SND_PCI_QUIRK(0x104d, 0x9043, "Sony Vaio VGC-LN51JGB", ALC882_FIXUP_NO_PRIMARY_HP),
SND_PCI_QUIRK(0x104d, 0x9044, "Sony VAIO AiO", ALC882_FIXUP_NO_PRIMARY_HP),
diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c
index 020b6e2e..354a1d2 100644
--- a/sound/soc/codecs/nau8825.c
+++ b/sound/soc/codecs/nau8825.c
@@ -975,7 +975,8 @@
NAU8825_FLL_INTEGER_MASK, fll_param->fll_int);
/* FLL pre-scaler */
regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL4,
- NAU8825_FLL_REF_DIV_MASK, fll_param->clk_ref_div);
+ NAU8825_FLL_REF_DIV_MASK,
+ fll_param->clk_ref_div << NAU8825_FLL_REF_DIV_SFT);
/* select divided VCO input */
regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5,
NAU8825_FLL_CLK_SW_MASK, NAU8825_FLL_CLK_SW_REF);
diff --git a/sound/soc/codecs/nau8825.h b/sound/soc/codecs/nau8825.h
index 6b40e66..a2b58ed 100644
--- a/sound/soc/codecs/nau8825.h
+++ b/sound/soc/codecs/nau8825.h
@@ -119,7 +119,8 @@
#define NAU8825_FLL_CLK_SRC_FS (0x3 << NAU8825_FLL_CLK_SRC_SFT)
/* FLL4 (0x07) */
-#define NAU8825_FLL_REF_DIV_MASK (0x3 << 10)
+#define NAU8825_FLL_REF_DIV_SFT 10
+#define NAU8825_FLL_REF_DIV_MASK (0x3 << NAU8825_FLL_REF_DIV_SFT)
/* FLL5 (0x08) */
#define NAU8825_FLL_PDB_DAC_EN (0x1 << 15)
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 1c02f24..e3f641a 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -126,6 +126,16 @@
{ 108, 0x00 }, { 109, 0x00 },
};
+static bool aic3x_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case AIC3X_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
static const struct regmap_config aic3x_regmap = {
.reg_bits = 8,
.val_bits = 8,
@@ -133,6 +143,9 @@
.max_register = DAC_ICC_ADJ,
.reg_defaults = aic3x_reg,
.num_reg_defaults = ARRAY_SIZE(aic3x_reg),
+
+ .volatile_reg = aic3x_volatile_reg,
+
.cache_type = REGCACHE_RBTREE,
};
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 1ded881..2389ab4 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -99,7 +99,7 @@
if (ret && ret != -ENOTSUPP)
goto err;
}
-
+ return 0;
err:
return ret;
}
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 2a5b3a2..b123734 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -437,7 +437,7 @@
struct device *dev = rsnd_priv_to_dev(priv);
struct device_node *np = dev->of_node;
u32 ckr, rbgx, rbga, rbgb;
- u32 rate, req_rate, div;
+ u32 rate, req_rate = 0, div;
uint32_t count = 0;
unsigned long req_48kHz_rate, req_441kHz_rate;
int i;
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 8c4f54b..d540627 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -192,19 +192,16 @@
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_dai_stream *io;
struct rsnd_dai *rdai;
- int i, j;
+ int i;
- for_each_rsnd_dai(rdai, priv, j) {
+ for_each_rsnd_dai(rdai, priv, i) {
+ io = &rdai->playback;
+ if (mod == io->mod[mod->type])
+ callback(mod, io);
- for (i = 0; i < RSND_MOD_MAX; i++) {
- io = &rdai->playback;
- if (mod == io->mod[i])
- callback(mod, io);
-
- io = &rdai->capture;
- if (mod == io->mod[i])
- callback(mod, io);
- }
+ io = &rdai->capture;
+ if (mod == io->mod[mod->type])
+ callback(mod, io);
}
}
@@ -1019,7 +1016,7 @@
}
}
- if (change)
+ if (change && cfg->update)
cfg->update(cfg->io, mod);
return change;
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 68b439e..460d29c 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -691,13 +691,27 @@
{
rsnd_src_irq_disable_gen2(mod);
- rsnd_mod_write(mod, SRC_CTRL, 0);
+ /*
+ * stop SRC output only
+ * see rsnd_src_quit_gen2
+ */
+ rsnd_mod_write(mod, SRC_CTRL, 0x01);
rsnd_src_error_record_gen2(mod);
return rsnd_src_stop(mod);
}
+static int rsnd_src_quit_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ struct rsnd_priv *priv)
+{
+ /* stop both out/in */
+ rsnd_mod_write(mod, SRC_CTRL, 0);
+
+ return 0;
+}
+
static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
@@ -971,7 +985,7 @@
.probe = rsnd_src_probe_gen2,
.remove = rsnd_src_remove_gen2,
.init = rsnd_src_init_gen2,
- .quit = rsnd_src_quit,
+ .quit = rsnd_src_quit_gen2,
.start = rsnd_src_start_gen2,
.stop = rsnd_src_stop_gen2,
.hw_params = rsnd_src_hw_params,
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 1427ec2..c62a294 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -39,6 +39,7 @@
#define SCKP (1 << 13) /* Serial Bit Clock Polarity */
#define SWSP (1 << 12) /* Serial WS Polarity */
#define SDTA (1 << 10) /* Serial Data Alignment */
+#define PDTA (1 << 9) /* Parallel Data Alignment */
#define DEL (1 << 8) /* Serial Data Delay */
#define CKDV(v) (v << 4) /* Serial Clock Division Ratio */
#define TRMD (1 << 1) /* Transmit/Receive Mode Select */
@@ -286,7 +287,7 @@
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
u32 cr;
- cr = FORCE;
+ cr = FORCE | PDTA;
/*
* always use 32bit system word for easy clock calculation.
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index d56a16a..80088c9 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -181,6 +181,10 @@
dev_dbg(be->dev, "ASoC: BE %s event %d dir %d\n",
be->dai_link->name, event, dir);
+ if ((event == SND_SOC_DAPM_STREAM_STOP) &&
+ (be->dpcm[dir].users >= 1))
+ continue;
+
snd_soc_dapm_stream_event(be, dir, event);
}
@@ -2184,9 +2188,11 @@
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
break;
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
+ break;
}
out:
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index be1f511..ae29814 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -384,6 +384,9 @@
if (unlikely(atomic_read(&ep->chip->shutdown)))
goto exit_clear;
+ if (unlikely(!test_bit(EP_FLAG_RUNNING, &ep->flags)))
+ goto exit_clear;
+
if (usb_pipeout(ep->pipe)) {
retire_outbound_urb(ep, ctx);
/* can be stopped during retire callback */
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index f1d6f66..89e2c28 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -547,6 +547,8 @@
if (size < sizeof(scale))
return -ENOMEM;
+ if (cval->min_mute)
+ scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE;
scale[2] = cval->dBmin;
scale[3] = cval->dBmax;
if (copy_to_user(_tlv, scale, sizeof(scale)))
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 3417ef3..2b4b067 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -64,6 +64,7 @@
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
+ u8 min_mute;
void *private_data;
};
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 04991b0..5d2fc5f 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1873,6 +1873,12 @@
if (unitid == 7 && cval->control == UAC_FU_VOLUME)
snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
break;
+ /* lowest playback value is muted on C-Media devices */
+ case USB_ID(0x0d8c, 0x000c):
+ case USB_ID(0x0d8c, 0x0014):
+ if (strstr(kctl->id.name, "Playback"))
+ cval->min_mute = 1;
+ break;
}
}
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 29f38e2..1cc20d1 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1143,6 +1143,7 @@
case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
+ case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */
case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */
diff --git a/tools/lib/traceevent/plugin_sched_switch.c b/tools/lib/traceevent/plugin_sched_switch.c
index f1ce600..ec30c2f 100644
--- a/tools/lib/traceevent/plugin_sched_switch.c
+++ b/tools/lib/traceevent/plugin_sched_switch.c
@@ -111,7 +111,7 @@
trace_seq_printf(s, "%lld ", val);
if (pevent_get_field_val(s, event, "prev_prio", record, &val, 0) == 0)
- trace_seq_printf(s, "[%lld] ", val);
+ trace_seq_printf(s, "[%d] ", (int) val);
if (pevent_get_field_val(s, event, "prev_state", record, &val, 0) == 0)
write_state(s, val);
@@ -129,7 +129,7 @@
trace_seq_printf(s, "%lld", val);
if (pevent_get_field_val(s, event, "next_prio", record, &val, 0) == 0)
- trace_seq_printf(s, " [%lld]", val);
+ trace_seq_printf(s, " [%d]", (int) val);
return 0;
}
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 929a32b..b67e006 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -563,9 +563,9 @@
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
$(INSTALL) tests/attr/* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'
-install-bin: install-tools install-tests
+install-bin: install-tools install-tests install-traceevent-plugins
-install: install-bin try-install-man install-traceevent-plugins
+install: install-bin try-install-man
install-python_ext:
$(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)'
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 67282a7..eeeae06 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -110,6 +110,7 @@
bool have_tma;
bool have_cyc;
bool fixup_last_mtc;
+ bool have_last_ip;
uint64_t pos;
uint64_t last_ip;
uint64_t ip;
@@ -145,8 +146,6 @@
bool have_calc_cyc_to_tsc;
int exec_mode;
unsigned int insn_bytes;
- uint64_t sign_bit;
- uint64_t sign_bits;
uint64_t period;
enum intel_pt_period_type period_type;
uint64_t tot_insn_cnt;
@@ -214,9 +213,6 @@
decoder->data = params->data;
decoder->return_compression = params->return_compression;
- decoder->sign_bit = (uint64_t)1 << 47;
- decoder->sign_bits = ~(((uint64_t)1 << 48) - 1);
-
decoder->period = params->period;
decoder->period_type = params->period_type;
@@ -385,21 +381,30 @@
return 0;
}
-static uint64_t intel_pt_calc_ip(struct intel_pt_decoder *decoder,
- const struct intel_pt_pkt *packet,
+static uint64_t intel_pt_calc_ip(const struct intel_pt_pkt *packet,
uint64_t last_ip)
{
uint64_t ip;
switch (packet->count) {
- case 2:
+ case 1:
ip = (last_ip & (uint64_t)0xffffffffffff0000ULL) |
packet->payload;
break;
- case 4:
+ case 2:
ip = (last_ip & (uint64_t)0xffffffff00000000ULL) |
packet->payload;
break;
+ case 3:
+ ip = packet->payload;
+ /* Sign-extend 6-byte ip */
+ if (ip & (uint64_t)0x800000000000ULL)
+ ip |= (uint64_t)0xffff000000000000ULL;
+ break;
+ case 4:
+ ip = (last_ip & (uint64_t)0xffff000000000000ULL) |
+ packet->payload;
+ break;
case 6:
ip = packet->payload;
break;
@@ -407,16 +412,13 @@
return 0;
}
- if (ip & decoder->sign_bit)
- return ip | decoder->sign_bits;
-
return ip;
}
static inline void intel_pt_set_last_ip(struct intel_pt_decoder *decoder)
{
- decoder->last_ip = intel_pt_calc_ip(decoder, &decoder->packet,
- decoder->last_ip);
+ decoder->last_ip = intel_pt_calc_ip(&decoder->packet, decoder->last_ip);
+ decoder->have_last_ip = true;
}
static inline void intel_pt_set_ip(struct intel_pt_decoder *decoder)
@@ -1436,7 +1438,8 @@
case INTEL_PT_FUP:
decoder->pge = true;
- intel_pt_set_last_ip(decoder);
+ if (decoder->packet.count)
+ intel_pt_set_last_ip(decoder);
break;
case INTEL_PT_MODE_TSX:
@@ -1640,6 +1643,8 @@
break;
case INTEL_PT_PSB:
+ decoder->last_ip = 0;
+ decoder->have_last_ip = true;
intel_pt_clear_stack(&decoder->stack);
err = intel_pt_walk_psbend(decoder);
if (err == -EAGAIN)
@@ -1718,6 +1723,13 @@
}
}
+static inline bool intel_pt_have_ip(struct intel_pt_decoder *decoder)
+{
+ return decoder->packet.count &&
+ (decoder->have_last_ip || decoder->packet.count == 3 ||
+ decoder->packet.count == 6);
+}
+
/* Walk PSB+ packets to get in sync. */
static int intel_pt_walk_psb(struct intel_pt_decoder *decoder)
{
@@ -1739,8 +1751,7 @@
case INTEL_PT_FUP:
decoder->pge = true;
- if (decoder->last_ip || decoder->packet.count == 6 ||
- decoder->packet.count == 0) {
+ if (intel_pt_have_ip(decoder)) {
uint64_t current_ip = decoder->ip;
intel_pt_set_ip(decoder);
@@ -1832,24 +1843,17 @@
case INTEL_PT_TIP_PGE:
case INTEL_PT_TIP:
decoder->pge = decoder->packet.type != INTEL_PT_TIP_PGD;
- if (decoder->last_ip || decoder->packet.count == 6 ||
- decoder->packet.count == 0)
+ if (intel_pt_have_ip(decoder))
intel_pt_set_ip(decoder);
if (decoder->ip)
return 0;
break;
case INTEL_PT_FUP:
- if (decoder->overflow) {
- if (decoder->last_ip ||
- decoder->packet.count == 6 ||
- decoder->packet.count == 0)
- intel_pt_set_ip(decoder);
- if (decoder->ip)
- return 0;
- }
- if (decoder->packet.count)
- intel_pt_set_last_ip(decoder);
+ if (intel_pt_have_ip(decoder))
+ intel_pt_set_ip(decoder);
+ if (decoder->ip)
+ return 0;
break;
case INTEL_PT_MTC:
@@ -1898,6 +1902,8 @@
break;
case INTEL_PT_PSB:
+ decoder->last_ip = 0;
+ decoder->have_last_ip = true;
intel_pt_clear_stack(&decoder->stack);
err = intel_pt_walk_psb(decoder);
if (err)
@@ -2034,6 +2040,7 @@
decoder->pge = false;
decoder->continuous_period = false;
+ decoder->have_last_ip = false;
decoder->last_ip = 0;
decoder->ip = 0;
intel_pt_clear_stack(&decoder->stack);
@@ -2042,6 +2049,7 @@
if (err)
return err;
+ decoder->have_last_ip = true;
decoder->pkt_state = INTEL_PT_STATE_NO_IP;
err = intel_pt_walk_psb(decoder);
@@ -2084,6 +2092,7 @@
err = intel_pt_sync(decoder);
break;
case INTEL_PT_STATE_NO_IP:
+ decoder->have_last_ip = false;
decoder->last_ip = 0;
decoder->ip = 0;
/* Fall through */
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
index 9b2fce2..7528ae4 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
@@ -293,36 +293,46 @@
const unsigned char *buf, size_t len,
struct intel_pt_pkt *packet)
{
- switch (byte >> 5) {
+ int ip_len;
+
+ packet->count = byte >> 5;
+
+ switch (packet->count) {
case 0:
- packet->count = 0;
+ ip_len = 0;
break;
case 1:
if (len < 3)
return INTEL_PT_NEED_MORE_BYTES;
- packet->count = 2;
+ ip_len = 2;
packet->payload = le16_to_cpu(*(uint16_t *)(buf + 1));
break;
case 2:
if (len < 5)
return INTEL_PT_NEED_MORE_BYTES;
- packet->count = 4;
+ ip_len = 4;
packet->payload = le32_to_cpu(*(uint32_t *)(buf + 1));
break;
case 3:
- case 6:
+ case 4:
if (len < 7)
return INTEL_PT_NEED_MORE_BYTES;
- packet->count = 6;
+ ip_len = 6;
memcpy_le64(&packet->payload, buf + 1, 6);
break;
+ case 6:
+ if (len < 9)
+ return INTEL_PT_NEED_MORE_BYTES;
+ ip_len = 8;
+ packet->payload = le64_to_cpu(*(uint64_t *)(buf + 1));
+ break;
default:
return INTEL_PT_BAD_PACKET;
}
packet->type = type;
- return packet->count + 1;
+ return ip_len + 1;
}
static int intel_pt_get_mode(const unsigned char *buf, size_t len,
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 27ae382..7c97eca 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -488,6 +488,12 @@
break;
} else {
int n = namesz + descsz;
+
+ if (n > (int)sizeof(bf)) {
+ n = sizeof(bf);
+ pr_debug("%s: truncating reading of build id in sysfs file %s: n_namesz=%u, n_descsz=%u.\n",
+ __func__, filename, nhdr.n_namesz, nhdr.n_descsz);
+ }
if (read(fd, bf, n) != n)
break;
}
