[ALSA] no need to check pointers passed to vfree() for NULL
Modules: Digigram VX core,USB generic driver
There's no need to check pointers passed to vfree() for NULL.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 7b1b9f2..039f27d 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -720,10 +720,9 @@
static int snd_pcm_free_vmalloc_buffer(struct snd_pcm_substream *subs)
{
struct snd_pcm_runtime *runtime = subs->runtime;
- if (runtime->dma_area) {
- vfree(runtime->dma_area);
- runtime->dma_area = NULL;
- }
+
+ vfree(runtime->dma_area);
+ runtime->dma_area = NULL;
return 0;
}