hwmon: (tmp421) 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>
Acked-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Guenter Roeck 2012-06-02 11:35:53 -07:00
parent 0df9fc7bb8
commit f625e0fd51

View File

@ -267,7 +267,8 @@ static int tmp421_probe(struct i2c_client *client,
struct tmp421_data *data;
int err;
data = kzalloc(sizeof(struct tmp421_data), GFP_KERNEL);
data = devm_kzalloc(&client->dev, sizeof(struct tmp421_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
@ -277,11 +278,11 @@ static int tmp421_probe(struct i2c_client *client,
err = tmp421_init_client(client);
if (err)
goto exit_free;
return err;
err = sysfs_create_group(&client->dev.kobj, &tmp421_group);
if (err)
goto exit_free;
return err;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@ -293,10 +294,6 @@ static int tmp421_probe(struct i2c_client *client,
exit_remove:
sysfs_remove_group(&client->dev.kobj, &tmp421_group);
exit_free:
kfree(data);
return err;
}
@ -307,8 +304,6 @@ static int tmp421_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &tmp421_group);
kfree(data);
return 0;
}