[ALSA] Don't NULL check vfree argument in pdaudiocf_pcm.c

Modules: PDAudioCF driver

Don't check pointers passed to vfree for null in pdaudiocf_pcm.c

Signed-off-by: Jesper Juhl <Jesper.Juhl@Gmail.Com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c b/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
index 962e6d525564a038d9c420ed77e2d565ba65b4f0..7f2a4de1d35d5b2405f8ce5693ed6d6d18cab57a 100644 (file)
--- a/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
+++ b/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
@@ -66,10 +66,9 @@ static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, size_t s
 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;
 }