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ALSA: asihpi: Fix unlocked snd_pcm_stop() call
author
Takashi Iwai
<tiwai@suse.de>
Thu, 11 Jul 2013 15:55:57 +0000
(17:55 +0200)
committer
Takashi Iwai
<tiwai@suse.de>
Mon, 15 Jul 2013 16:12:49 +0000
(18:12 +0200)
snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/asihpi/asihpi.c
patch
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diff --git
a/sound/pci/asihpi/asihpi.c
b/sound/pci/asihpi/asihpi.c
index
185d54a
..
dc632cd
100644
(file)
--- a/
sound/pci/asihpi/asihpi.c
+++ b/
sound/pci/asihpi/asihpi.c
@@
-769,7
+769,10
@@
static void snd_card_asihpi_timer_function(unsigned long data)
s->number);
ds->drained_count++;
if (ds->drained_count > 20) {
+ unsigned long flags;
+ snd_pcm_stream_lock_irqsave(s, flags);
snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(s, flags);
continue;
}
} else {