ASoC: Convert tlv320aic23 to devm_kzalloc()

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

sound/soc/codecs/tlv320aic23.c

@@ -634,7 +634,7 @@ static int tlv320aic23_codec_probe(struct i2c_client *i2c,
 	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -EINVAL;
 
-	aic23 = kzalloc(sizeof(struct aic23), GFP_KERNEL);
+	aic23 = devm_kzalloc(&i2c->dev, sizeof(struct aic23), GFP_KERNEL);
 	if (aic23 == NULL)
 		return -ENOMEM;
 
@@ -643,14 +643,11 @@ static int tlv320aic23_codec_probe(struct i2c_client *i2c,
 
 	ret =  snd_soc_register_codec(&i2c->dev,
 			&soc_codec_dev_tlv320aic23, &tlv320aic23_dai, 1);
-	if (ret < 0)
-		kfree(aic23);
 	return ret;
 }
 static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c)
 {
 	snd_soc_unregister_codec(&i2c->dev);
-	kfree(i2c_get_clientdata(i2c));
 	return 0;
 }