diff options
| -rw-r--r-- | sound/soc/samsung/dma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index 21b7926..50c1eb6 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -176,6 +176,10 @@ static int dma_hw_params(struct snd_pcm_substream *substream, prtd->params->ch = prtd->params->ops->request( prtd->params->channel, &req, rtd->cpu_dai->dev, prtd->params->ch_name); + if (!prtd->params->ch) { + pr_err("Failed to allocate DMA channel\n"); + return -ENXIO; + } prtd->params->ops->config(prtd->params->ch, &config); } |