From: Figo.zhang <figo1802@gmail.com>
Date: Sun, 7 Jun 2009 05:37:27 +0000 (+0800)
Subject: ALSA: sgio2audio.c: clean up checking
X-Git-Tag: v2.6.31-rc1~38^2~2^2~2
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=ad0b0822f98ef547e2461ce463e4233bad7848a8

ALSA: sgio2audio.c: clean up checking

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>
---

diff --git a/sound/mips/sgio2audio.c b/sound/mips/sgio2audio.c
index 66f3b48..e497525 100644
--- a/sound/mips/sgio2audio.c
+++ b/sound/mips/sgio2audio.c
@@ -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;
 }