diff options
| author | Takashi Iwai <tiwai@suse.de> | 2011-03-18 07:31:53 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-03-23 12:50:30 -0700 |
| commit | bffb8879ed2e5da445a280a8869ec608f21500e1 (patch) | |
| tree | bb18cc9dae6ce57e24e7a6cc6bfe6971ef50a481 /scripts/mod/empty.c | |
| parent | c8c9edfe6a04a862066dffbffe255eaae5742efc (diff) | |
ALSA: aloop - Fix possible IRQ lock inversion
commit 98d21df431ad55281e1abf780f8d51e3391900b2 upstream.
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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'scripts/mod/empty.c')
0 files changed, 0 insertions, 0 deletions