]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 0c616a7) | patch
ALSA: aloop - Fix possible IRQ lock inversion
authorTakashi Iwai <tiwai@suse.de>
Fri, 18 Mar 2011 06:31:53 +0000 (07:31 +0100)
committerTakashi Iwai <tiwai@suse.de>
Fri, 18 Mar 2011 06:31:53 +0000 (07:31 +0100)
commit02a17c7e8e5836919255e6e1fd639d5a8a0af247
tree19d365c9407ce581098596ec913a9cdb9ff7dd8atree | snapshot
parent0c616a7929c95a296f0282d1c9d75dc3d88ca58fcommit | diff
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>
sound/drivers/aloop.c diff | blob | history
Linux Kernel Source Tree.