ASoC: Convert wm8804 to devm_kzalloc()

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

sound/soc/codecs/wm8804.c

@@ -713,7 +713,7 @@ static int __devinit wm8804_spi_probe(struct spi_device *spi)
 	struct wm8804_priv *wm8804;
 	int ret;
 
-	wm8804 = kzalloc(sizeof *wm8804, GFP_KERNEL);
+	wm8804 = devm_kzalloc(&spi->dev, sizeof *wm8804, GFP_KERNEL);
 	if (!wm8804)
 		return -ENOMEM;
 
@@ -722,15 +722,13 @@ static int __devinit wm8804_spi_probe(struct spi_device *spi)
 
 	ret = snd_soc_register_codec(&spi->dev,
 				     &soc_codec_dev_wm8804, &wm8804_dai, 1);
-	if (ret < 0)
-		kfree(wm8804);
+
 	return ret;
 }
 
 static int __devexit wm8804_spi_remove(struct spi_device *spi)
 {
 	snd_soc_unregister_codec(&spi->dev);
-	kfree(spi_get_drvdata(spi));
 	return 0;
 }
 
@@ -752,7 +750,7 @@ static __devinit int wm8804_i2c_probe(struct i2c_client *i2c,
 	struct wm8804_priv *wm8804;
 	int ret;
 
-	wm8804 = kzalloc(sizeof *wm8804, GFP_KERNEL);
+	wm8804 = devm_kzalloc(&i2c->dev, sizeof *wm8804, GFP_KERNEL);
 	if (!wm8804)
 		return -ENOMEM;
 
@@ -761,15 +759,14 @@ static __devinit int wm8804_i2c_probe(struct i2c_client *i2c,
 
 	ret = snd_soc_register_codec(&i2c->dev,
 				     &soc_codec_dev_wm8804, &wm8804_dai, 1);
-	if (ret < 0)
-		kfree(wm8804);
+
 	return ret;
 }
 
 static __devexit int wm8804_i2c_remove(struct i2c_client *client)
 {
 	snd_soc_unregister_codec(&client->dev);
-	kfree(i2c_get_clientdata(client));
+
 	return 0;
 }