diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-alsa.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-alsa.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c index e976fc6bef7c..06f171ab6149 100644 --- a/drivers/media/video/cx88/cx88-alsa.c +++ b/drivers/media/video/cx88/cx88-alsa.c @@ -82,7 +82,6 @@ typedef struct cx88_audio_dev snd_cx88_card_t; - /**************************************************************************** Module global static vars ****************************************************************************/ @@ -332,6 +331,12 @@ 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; |