3.6.11.9-rc1 stable review patch.
If anyone has any objections, please let me know.
------------------
From: Takashi Iwai <tiwai@xxxxxxx>
[ Upstream commit 46f6c1aaf790be9ea3c8ddfc8f235a5f677d08e2 ]
snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@xxxxxxxxxxxxxxx>
Acked-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
sound/arm/pxa2xx-pcm-lib.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 76e0d56..823359e 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -166,7 +166,9 @@ void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id)
} else {
printk(KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n",
rtd->params->name, dma_ch, dcsr);
+ snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(substream);
}
}
EXPORT_SYMBOL(pxa2xx_pcm_dma_irq);
--
1.7.10.4
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