Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio fixes and cleanups from Michael Tsirkin:
 "Fixes some minor issues all over the codebase"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  virtio-net: fix module unloading
  virtio-balloon: coding format cleanup
  virtio-balloon: deflate via a page list
  virtio_blk: Use sysfs_match_string() helper