static int snd_pcm_free_vmalloc_buffer(struct snd_pcm_substream *subs)
{
struct snd_pcm_runtime *runtime = subs->runtime;
-
- vfree(runtime->dma_area);
- runtime->dma_area = NULL;
+ if (runtime->dma_area) {
+ vfree(runtime->dma_area);
+ runtime->dma_area = NULL;
+ }
return 0;
}
/* allocate pipes */
chip->playback_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_outs, GFP_KERNEL);
- if (!chip->playback_pipes)
- return -ENOMEM;
chip->capture_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_ins, GFP_KERNEL);
- if (!chip->capture_pipes) {
- kfree(chip->playback_pipes);
+ if (! chip->playback_pipes || ! chip->capture_pipes)
return -ENOMEM;
- }
memset(chip->playback_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_outs);
memset(chip->capture_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_ins);