[alsa-devel] [patch] move dereference after null check

[Dan Carpenter]

The 'jack' variable was dereference before the NULL check so this patch 
moves the dereference later.

regards,
dan carpenter

Signed-off-by: Dan Carpenter <error27 at gmail.com>

--- orig/sound/soc/soc-jack.c	2009-11-14 11:04:04.000000000 +0200
+++ devel/sound/soc/soc-jack.c	2009-11-14 11:05:01.000000000 +0200
@@ -58,7 +58,7 @@
  */
 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask)
 {
-	struct snd_soc_codec *codec = jack->card->codec;
+	struct snd_soc_codec *codec;
 	struct snd_soc_jack_pin *pin;
 	int enable;
 	int oldstatus;
@@ -67,6 +67,7 @@
 		WARN_ON_ONCE(!jack);
 		return;
 	}
+	codec = jack->card->codec;
 
 	mutex_lock(&codec->mutex);