commit d2b95e58ea28eedc126ce9b714e2c7620869fdf4
author Guenter Roeck <linux@roeck-us.net> Sat Jun 02 10:35:52 2012 -0700
committer Guenter Roeck <linux@roeck-us.net> Sun Sep 23 21:08:32 2012 -0700
tree 8591a60a21372d0ea4a3e9a4a1c9a94b3f6e270c
parent 78968642cc4b57c37d18b0242643026abc92717b

hwmon: (ltc4215) Convert to use devm_ functions

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

Cc: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/ltc4215.c

diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
index 429c5b2..98b3d04f 100644
--- a/drivers/hwmon/ltc4215.c
+++ b/drivers/hwmon/ltc4215.c
@@ -253,11 +253,9 @@
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
-	if (!data) {
-		ret = -ENOMEM;
-		goto out_kzalloc;
-	}
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 
 	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
@@ -268,7 +266,7 @@
 	/* Register sysfs hooks */
 	ret = sysfs_create_group(&client->dev.kobj, &ltc4215_group);
 	if (ret)
-		goto out_sysfs_create_group;
+		return ret;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -280,9 +278,6 @@
 
 out_hwmon_device_register:
 	sysfs_remove_group(&client->dev.kobj, &ltc4215_group);
-out_sysfs_create_group:
-	kfree(data);
-out_kzalloc:
 	return ret;
 }
 
@@ -293,8 +288,6 @@
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &ltc4215_group);
 
-	kfree(data);
-
 	return 0;
 }