ASoC: Convert WM8741 to devm_kzalloc()

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

sound/soc/codecs/wm8741.c

@@ -503,7 +503,8 @@ static int wm8741_i2c_probe(struct i2c_client *i2c,
 	struct wm8741_priv *wm8741;
 	int ret;
 
-	wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL);
+	wm8741 = devm_kzalloc(&i2c->dev, sizeof(struct wm8741_priv),
+			      GFP_KERNEL);
 	if (wm8741 == NULL)
 		return -ENOMEM;
 
@@ -512,20 +513,13 @@ static int wm8741_i2c_probe(struct i2c_client *i2c,
 
 	ret = snd_soc_register_codec(&i2c->dev,
 				     &soc_codec_dev_wm8741, &wm8741_dai, 1);
-	if (ret != 0)
-		goto err;
 
 	return ret;
-
-err:
-	kfree(wm8741);
-	return ret;
 }
 
 static int wm8741_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
-	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
@@ -553,7 +547,8 @@ static int __devinit wm8741_spi_probe(struct spi_device *spi)
 	struct wm8741_priv *wm8741;
 	int ret;
 
-	wm8741 = kzalloc(sizeof(struct wm8741_priv), GFP_KERNEL);
+	wm8741 = devm_kzalloc(&spi->dev, sizeof(struct wm8741_priv),
+			     GFP_KERNEL);
 	if (wm8741 == NULL)
 		return -ENOMEM;
 
@@ -562,15 +557,12 @@ static int __devinit wm8741_spi_probe(struct spi_device *spi)
 
 	ret = snd_soc_register_codec(&spi->dev,
 			&soc_codec_dev_wm8741, &wm8741_dai, 1);
-	if (ret < 0)
-		kfree(wm8741);
 	return ret;
 }
 
 static int __devexit wm8741_spi_remove(struct spi_device *spi)
 {
 	snd_soc_unregister_codec(&spi->dev);
-	kfree(spi_get_drvdata(spi));
 	return 0;
 }