diff options
Diffstat (limited to 'sound/soc/sof/pcm.c')
| -rw-r--r-- | sound/soc/sof/pcm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index 314f3095c12f..29435ba2d329 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -591,6 +591,11 @@ static int sof_pcm_new(struct snd_soc_component *component, "spcm: allocate %s playback DMA buffer size 0x%x max 0x%x\n", caps->name, caps->buffer_size_min, caps->buffer_size_max); + if (!pcm->streams[stream].substream) { + dev_err(component->dev, "error: NULL playback substream!\n"); + return -EINVAL; + } + snd_pcm_set_managed_buffer(pcm->streams[stream].substream, SNDRV_DMA_TYPE_DEV_SG, sdev->dev, le32_to_cpu(caps->buffer_size_min), @@ -609,6 +614,11 @@ capture: "spcm: allocate %s capture DMA buffer size 0x%x max 0x%x\n", caps->name, caps->buffer_size_min, caps->buffer_size_max); + if (!pcm->streams[stream].substream) { + dev_err(component->dev, "error: NULL capture substream!\n"); + return -EINVAL; + } + snd_pcm_set_managed_buffer(pcm->streams[stream].substream, SNDRV_DMA_TYPE_DEV_SG, sdev->dev, le32_to_cpu(caps->buffer_size_min), |