From: Guenter Roeck <linux@roeck-us.net>
Date: Sat, 2 Jun 2012 16:58:03 +0000 (-0700)
Subject: hwmon: (ds620) Convert to use devm_ functions
X-Git-Tag: upstream/snapshot3+hdmi~6590^2~45
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3aa9d1df7e7abc91fb11bff41f389f3fc7b39eee;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

hwmon: (ds620) Convert to use devm_ functions

Convert to use devm_ functions to reduce code size and simplify the code.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---

diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c
index 50663ef..f1d6b42 100644
--- a/drivers/hwmon/ds620.c
+++ b/drivers/hwmon/ds620.c
@@ -232,11 +232,10 @@ static int ds620_probe(struct i2c_client *client,
 	struct ds620_data *data;
 	int err;
 
-	data = kzalloc(sizeof(struct ds620_data), GFP_KERNEL);
-	if (!data) {
-		err = -ENOMEM;
-		goto exit;
-	}
+	data = devm_kzalloc(&client->dev, sizeof(struct ds620_data),
+			    GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 
 	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
@@ -247,7 +246,7 @@ static int ds620_probe(struct i2c_client *client,
 	/* Register sysfs hooks */
 	err = sysfs_create_group(&client->dev.kobj, &ds620_group);
 	if (err)
-		goto exit_free;
+		return err;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -261,9 +260,6 @@ static int ds620_probe(struct i2c_client *client,
 
 exit_remove_files:
 	sysfs_remove_group(&client->dev.kobj, &ds620_group);
-exit_free:
-	kfree(data);
-exit:
 	return err;
 }
 
@@ -274,8 +270,6 @@ static int ds620_remove(struct i2c_client *client)
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &ds620_group);
 
-	kfree(data);
-
 	return 0;
 }