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authorTakashi Iwai <tiwai@suse.de>2013-07-11 18:00:59 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-28 16:30:21 -0700
commitb534f8f9f56d5e800d4529f54e38be960fd064a2 (patch)
tree6a5819f8285dfaaaeb236c8df9e439e33baec4ee /drivers
parent7b4fc5f531f64ce52e5f421c9bc285ccf30ccac8 (diff)
media: saa7134: Fix unlocked snd_pcm_stop() call
commit e6355ad7b1c6f70e2f48ae159f5658b441ccff95 upstream. snd_pcm_stop() must be called in the PCM substream lock context. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/pci/saa7134/saa7134-alsa.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-alsa.c b/drivers/media/pci/saa7134/saa7134-alsa.c
index 10460fd3ce3..dbcdfbf8aed 100644
--- a/drivers/media/pci/saa7134/saa7134-alsa.c
+++ b/drivers/media/pci/saa7134/saa7134-alsa.c
@@ -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;
}