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ALSA: timer: Fix missing irq-disable at closing

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The conversion to guard macro dropped the irq-disablement at closing
mistakenly, which may lead to a race.  Fix it.

Fixes: beb45974dd ("ALSA: timer: Use guard() for locking")
Reported-by: syzbot+28c1a5a5b041a754b947@syzkaller.appspotmail.com
Closes: http://lore.kernel.org/r/0000000000000b9a510613b0145f@google.com
Message-ID: <20240315101447.18395-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2024-03-15 11:14:42 +01:00
parent 9b714a59b7
commit 587d67fd92
1 changed files with 1 additions and 1 deletions
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2
sound/core/timer.c
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@ -409,7 +409,7 @@ static void snd_timer_close_locked(struct snd_timer_instance *timeri,
struct snd_timer *timer = timeri->timer;
if (timer) {
guard(spinlock)(&timer->lock);
guard(spinlock_irq)(&timer->lock);
timeri->flags |= SNDRV_TIMER_IFLG_DEAD;
}