[ALSA] sound/isa/sb/sb_mixer.c double kfree

snd_ctl_add() already does the free on error.

Coverity bug #957
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

sound/isa/sb/sb_mixer.c

@@ -453,10 +453,8 @@ int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int ty
 	strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
 	ctl->id.index = index;
 	ctl->private_value = value;
-	if ((err = snd_ctl_add(chip->card, ctl)) < 0) {
-		snd_ctl_free_one(ctl);
+	if ((err = snd_ctl_add(chip->card, ctl)) < 0)
 		return err;
-	}
 	return 0;
 }