snd_pcm_lib_free_vmalloc_buffer — free vmalloc buffer
int snd_pcm_lib_free_vmalloc_buffer (
)
substream
the substream with a buffer allocated by snd_pcm_lib_alloc_vmalloc_buffer
snd_pcm_lib_alloc_vmalloc_buffer
Zero if successful, or a negative error code on failure.