ASoC: Convert WM8960 to devm_kzalloc()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8960.c

@@ -973,7 +973,8 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
 	struct wm8960_priv *wm8960;
 	int ret;
 
-	wm8960 = kzalloc(sizeof(struct wm8960_priv), GFP_KERNEL);
+	wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv),
+			      GFP_KERNEL);
 	if (wm8960 == NULL)
 		return -ENOMEM;
 
@@ -982,15 +983,13 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
 
 	ret = snd_soc_register_codec(&i2c->dev,
 			&soc_codec_dev_wm8960, &wm8960_dai, 1);
-	if (ret < 0)
-		kfree(wm8960);
+
 	return ret;
 }
 
 static __devexit int wm8960_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
-	kfree(i2c_get_clientdata(client));
 	return 0;
 }