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authorIngo Molnar <mingo@elte.hu>2008-07-07 08:07:35 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-07 08:07:35 +0200
commitd763d5edf945eec47bd443b699f174976f0afc13 (patch)
tree3e5cd46b9a783999716bf92176854f4f1215d930 /drivers/media/video/cx88/cx88-alsa.c
parent790e2a290b499b0400254e6870ec27969065d122 (diff)
parent1b40a895df6c7d5a80e71f65674060b03d84bbef (diff)
downloadop-kernel-dev-d763d5edf945eec47bd443b699f174976f0afc13.zip
op-kernel-dev-d763d5edf945eec47bd443b699f174976f0afc13.tar.gz
Merge branch 'linus' into tracing/mmiotrace
Diffstat (limited to 'drivers/media/video/cx88/cx88-alsa.c')
-rw-r--r--drivers/media/video/cx88/cx88-alsa.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index e976fc6..80c8883 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -332,6 +332,12 @@ static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
+ if (!chip) {
+ printk(KERN_ERR "BUG: cx88 can't find device struct."
+ " Can't proceed with open\n");
+ return -ENODEV;
+ }
+
err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0)
goto _error;
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