Merge tag 'sound-4.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of the last-minute small PCM fixes:

   - A workaround for the recent regression wrt PulseAudio

   - Removal of spurious WARN_ON() that is triggered by syzkaller

   - Fixes for aloop, hardening racy accesses

   - Fixes in PCM OSS emulation wrt the unabortable loops that may cause
     RCU stall"

* tag 'sound-4.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: pcm: Allow aborting mutex lock at OSS read/write loops
  ALSA: pcm: Abort properly at pending signal in OSS read/write loops
  ALSA: aloop: Fix racy hw constraints adjustment
  ALSA: aloop: Fix inconsistent format due to incomplete rule
  ALSA: aloop: Release cable upon open error path
  ALSA: pcm: Workaround for weird PulseAudio behavior on rewind error
  ALSA: pcm: Add missing error checks in OSS emulation plugin builder
  ALSA: pcm: Remove incorrect snd_BUG_ON() usages