ASoC: wm8995: Convert to use devm_kzalloc()

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8995.c b/sound/soc/codecs/wm8995.c
index 28c89b0..2eb68c1 100644
--- a/sound/soc/codecs/wm8995.c
+++ b/sound/soc/codecs/wm8995.c
@@ -2261,7 +2261,7 @@
 	struct wm8995_priv *wm8995;
 	int ret;
 
-	wm8995 = kzalloc(sizeof *wm8995, GFP_KERNEL);
+	wm8995 = devm_kzalloc(&spi->dev, sizeof(*wm8995), GFP_KERNEL);
 	if (!wm8995)
 		return -ENOMEM;
 
@@ -2271,7 +2271,7 @@
 	if (IS_ERR(wm8995->regmap)) {
 		ret = PTR_ERR(wm8995->regmap);
 		dev_err(&spi->dev, "Failed to register regmap: %d\n", ret);
-		goto err_alloc;
+		return ret;
 	}
 
 	ret = snd_soc_register_codec(&spi->dev,
@@ -2284,8 +2284,6 @@
 
 err_regmap:
 	regmap_exit(wm8995->regmap);
-err_alloc:
-	kfree(wm8995);
 
 	return ret;
 }
@@ -2295,7 +2293,6 @@
 	struct wm8995_priv *wm8995 = spi_get_drvdata(spi);
 	snd_soc_unregister_codec(&spi->dev);
 	regmap_exit(wm8995->regmap);
-	kfree(wm8995);
 	return 0;
 }
 
@@ -2316,7 +2313,7 @@
 	struct wm8995_priv *wm8995;
 	int ret;
 
-	wm8995 = kzalloc(sizeof *wm8995, GFP_KERNEL);
+	wm8995 = devm_kzalloc(&i2c->dev, sizeof(*wm8995), GFP_KERNEL);
 	if (!wm8995)
 		return -ENOMEM;
 
@@ -2326,7 +2323,7 @@
 	if (IS_ERR(wm8995->regmap)) {
 		ret = PTR_ERR(wm8995->regmap);
 		dev_err(&i2c->dev, "Failed to register regmap: %d\n", ret);
-		goto err_alloc;
+		return ret;
 	}
 
 	ret = snd_soc_register_codec(&i2c->dev,
@@ -2341,8 +2338,6 @@
 
 err_regmap:
 	regmap_exit(wm8995->regmap);
-err_alloc:
-	kfree(wm8995);
 
 	return ret;
 }
@@ -2353,7 +2348,6 @@
 
 	snd_soc_unregister_codec(&client->dev);
 	regmap_exit(wm8995->regmap);
-	kfree(wm8995);
 	return 0;
 }