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ALSA: sgio2audio.c: clean up checking

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vfree() does it's own 'NULL' check,so no need for check before
calling it.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Figo.zhang 2009-06-07 13:37:27 +08:00 committed by Takashi Iwai
parent 13be1bf146
commit ad0b0822f9
1 changed files with 1 additions and 2 deletions
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3
sound/mips/sgio2audio.c
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@ -619,8 +619,7 @@ static int snd_sgio2audio_pcm_hw_params(struct snd_pcm_substream *substream,
/* hw_free callback */
static int snd_sgio2audio_pcm_hw_free(struct snd_pcm_substream *substream)
{
if (substream->runtime->dma_area)
vfree(substream->runtime->dma_area);
vfree(substream->runtime->dma_area);
substream->runtime->dma_area = NULL;
return 0;
}