ALSA: pcm: Use deferred fasync helper

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For avoiding the potential deadlock via kill_fasync() call, use the
new fasync helpers to defer the invocation from timer API.  Note that
it's merely a workaround.

Reported-by: syzbot+8285e973a41b5aa68902@syzkaller.appspotmail.com
Reported-by: syzbot+669c9abf11a6a011dd09@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/20220728125945.29533-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Iwai 2022-07-28 14:59:44 +02:00

parent 95cc637c1a

commit 96b097091c

4 changed files with 4 additions and 3 deletions

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include/sound/pcm.h

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