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saa7134: Fix unlocked snd_pcm_stop() call

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commit e6355ad7b1 upstream.

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

Signed-off-by: Takashi Iwai <tiwai@suse.de>
[wml: Backported to 3.4: Adjust filename]
Signed-off-by: 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 18:00:59 +02:00 committed by Greg Kroah-Hartman
parent c28414d349
commit d54ecc0f3e
1 changed files with 2 additions and 0 deletions
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2
drivers/media/video/saa7134/saa7134-alsa.c
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@ -172,7 +172,9 @@ static void saa7134_irq_alsa_done(struct saa7134_dev *dev,
dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->dmasound.read_count,
dev->dmasound.bufsize, dev->dmasound.blocks);
spin_unlock(&dev->slock);
snd_pcm_stream_lock(dev->dmasound.substream);
snd_pcm_stop(dev->dmasound.substream,SNDRV_PCM_STATE_XRUN);
snd_pcm_stream_unlock(dev->dmasound.substream);
return;
}