ALSA: timer: Use deferred fasync helper
[ Upstream commit 95cc637c ] For avoiding the potential deadlock via kill_fasync() call, use the new fasync helpers to defer the invocation from PCI API. Note that it's merely a workaround. Reported-by:<syzbot+1ee0910eca9c94f71f25@syzkaller.appspotmail.com> Reported-by:
<syzbot+49b10793b867871ee26f@syzkaller.appspotmail.com> Reported-by:
<syzbot+8285e973a41b5aa68902@syzkaller.appspotmail.com> Link: https://lore.kernel.org/r/20220728125945.29533-3-tiwai@suse.de Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Sasha Levin <sashal@kernel.org>
parent
60110fd2
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