[PATCH]no need to check pointers passed to vfree() for NULL in sound/usb/usbaudio.c

From: Jesper Juhl
Date: Sat Feb 04 2006 - 15:20:03 EST


There's no need to check pointers passed to vfree() for NULL.


Signed-off-by: Jesper Juhl <jesper.juhl@xxxxxxxxx>
---

sound/usb/usbaudio.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)

--- linux-2.6.16-rc2-git1-orig/sound/usb/usbaudio.c 2006-02-04 14:44:23.000000000 +0100
+++ linux-2.6.16-rc2-git1/sound/usb/usbaudio.c 2006-02-04 21:19:03.000000000 +0100
@@ -725,10 +725,9 @@ static int snd_pcm_alloc_vmalloc_buffer(
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;
}

-
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