[PATCH 28/75] ASoC: s6000: Fix unlocked snd_pcm_stop() call
Kamal Mostafa
kamal at canonical.com
Tue Jul 30 15:16:57 UTC 2013
3.8.13.6 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Takashi Iwai <tiwai at suse.de>
commit 61be2b9a18ec70f3cbe3deef7a5f77869c71b5ae upstream.
snd_pcm_stop() must be called in the PCM substream lock context.
Acked-by: Mark Brown <broonie at linaro.org>
Signed-off-by: Takashi Iwai <tiwai at suse.de>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
sound/soc/s6000/s6000-pcm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c
index 1358c7d..d0740a7 100644
--- a/sound/soc/s6000/s6000-pcm.c
+++ b/sound/soc/s6000/s6000-pcm.c
@@ -128,7 +128,9 @@ static irqreturn_t s6000_pcm_irq(int irq, void *data)
substream->runtime &&
snd_pcm_running(substream)) {
dev_dbg(pcm->dev, "xrun\n");
+ snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(substream);
ret = IRQ_HANDLED;
}
--
1.8.1.2
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