tree 6386041772b97648daab9244e39b215e41106558
parent 5af1526b29367985c56b8563606b65d68b81c2a0
author Lorenzo Bianconi <lorenzo@kernel.org> 1649060595 +0200
committer Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> 1665073130 +0000

BACKPORT: mt76: mt7915: fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector

Fix possible NULL pointer dereference in mt7915_mac_fill_rx_vector
routine if the chip does not support dbdc and the hw reports band_idx
set to 1.

Fixes: 78fc30a21cf11 ("mt76: mt7915: move testmode data from dev to phy")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

(cherry picked from commit 62fdc974894eec80d678523458cf99bbdb887e22)

Conflicts:
   drivers/net/wireless/mediatek/mt76/mt7915/mac.c
[ Contextual conflict.  See b/238046978#comment2. ]

BUG=b:238046978
TEST=for arch in amd64-generic arm64-generic; do \
        USE=buildtest emerge-"${arch}" chromeos-kernel-5_15; \
     done

Signed-off-by: Tzung-Bi Shih <tzungbi@chromium.org>
Change-Id: I22a2851acabb98645ba5e3dfc093c32d732a48c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/3935725
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Commit-Queue: Guenter Roeck <groeck@chromium.org>
Tested-by: Guenter Roeck <groeck@chromium.org>