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

16 Nov 2009

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@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);

    