ASoC: Convert ad193x to devm_kzalloc()

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/ad193x.c

@@ -385,14 +385,15 @@ static int __devinit ad193x_spi_probe(struct spi_device *spi)
 	struct ad193x_priv *ad193x;
 	int ret;
 
-	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
+	ad193x = devm_kzalloc(&spi->dev, sizeof(struct ad193x_priv),
+			      GFP_KERNEL);
 	if (ad193x == NULL)
 		return -ENOMEM;
 
 	ad193x->regmap = regmap_init_spi(spi, &ad193x_spi_regmap_config);
 	if (IS_ERR(ad193x->regmap)) {
 		ret = PTR_ERR(ad193x->regmap);
-		goto err_free;
+		goto err_out;
 	}
 
 	spi_set_drvdata(spi, ad193x);
@@ -406,9 +407,7 @@ static int __devinit ad193x_spi_probe(struct spi_device *spi)
 
 err_regmap_exit:
 	regmap_exit(ad193x->regmap);
-err_free:
-	kfree(ad193x);
-
+err_out:
 	return ret;
 }
 
@@ -418,7 +417,6 @@ static int __devexit ad193x_spi_remove(struct spi_device *spi)
 
 	snd_soc_unregister_codec(&spi->dev);
 	regmap_exit(ad193x->regmap);
-	kfree(ad193x);
 	return 0;
 }
 
@@ -455,14 +453,15 @@ static int __devinit ad193x_i2c_probe(struct i2c_client *client,
 	struct ad193x_priv *ad193x;
 	int ret;
 
-	ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
+	ad193x = devm_kzalloc(&client->dev, sizeof(struct ad193x_priv),
+			      GFP_KERNEL);
 	if (ad193x == NULL)
 		return -ENOMEM;
 
 	ad193x->regmap = regmap_init_i2c(client, &ad193x_i2c_regmap_config);
 	if (IS_ERR(ad193x->regmap)) {
 		ret = PTR_ERR(ad193x->regmap);
-		goto err_free;
+		goto err_out;
 	}
 
 	i2c_set_clientdata(client, ad193x);
@@ -476,8 +475,7 @@ static int __devinit ad193x_i2c_probe(struct i2c_client *client,
 
 err_regmap_exit:
 	regmap_exit(ad193x->regmap);
-err_free:
-	kfree(ad193x);
+err_out:
 	return ret;
 }
 
@@ -487,7 +485,6 @@ static int __devexit ad193x_i2c_remove(struct i2c_client *client)
 
 	snd_soc_unregister_codec(&client->dev);
 	regmap_exit(ad193x->regmap);
-	kfree(ad193x);
 	return 0;
 }