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ALSA: pxa2xx: Fix unlocked snd_pcm_stop() call 

commit 46f6c1aaf7 upstream.

snd_pcm_stop() must be called in the PCM substream lock context.

Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Weng Meiling <wengmeiling.weng@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Takashi Iwai 2013-07-11 17:59:33 +02:00 committed by Greg Kroah-Hartman
parent 475274c68b
commit a0f8b1ca74
1 changed files with 2 additions and 0 deletions
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2
sound/arm/pxa2xx-pcm-lib.c
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@ -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);