tree 19d365c9407ce581098596ec913a9cdb9ff7dd8a
parent 5b7c757d1a8878d49f46c826d6081816935664aa
author Takashi Iwai <tiwai@suse.de> 1300429913 +0100
committer Takashi Iwai <tiwai@suse.de> 1300429913 +0100

ALSA: aloop - Fix possible IRQ lock inversion

loopback_pos_update() can be called in the timer callback, thus the lock
held should be irq-safe.  Otherwise you'll get AB/BA deadlock together
with substream->self_group.lock.

Reported-and-tested-by: Knut Petersen <Knut_Petersen@t-online.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>