Wait for the timer to really quit, not only by ensuring it is not in the critical section.
BTW the spin_lock in here does not disable BH, so that it could deadlock. Signed-off-by: Jiri Slaby <jsl...@suse.cz> Cc: Jaroslav Kysela <pe...@perex.cz> Cc: Takashi Iwai <ti...@suse.de> Cc: alsa-de...@alsa-project.org --- sound/drivers/dummy.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index d11baaf0f0b4..6d6bf4093583 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -281,9 +281,9 @@ static int dummy_systimer_start(struct snd_pcm_substream *substream) static int dummy_systimer_stop(struct snd_pcm_substream *substream) { struct dummy_systimer_pcm *dpcm = substream->runtime->private_data; - spin_lock(&dpcm->lock); - del_timer(&dpcm->timer); - spin_unlock(&dpcm->lock); + + del_timer_sync(&dpcm->timer); + return 0; } -- 2.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/