hwmon: (ds1621) 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 09:58:03 -07:00
parent d466a35305
commit e20b4b38cd

View File

@ -249,11 +249,10 @@ static int ds1621_probe(struct i2c_client *client,
struct ds1621_data *data;
int err;
data = kzalloc(sizeof(struct ds1621_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
data = devm_kzalloc(&client->dev, sizeof(struct ds1621_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@ -264,7 +263,7 @@ static int ds1621_probe(struct i2c_client *client,
/* Register sysfs hooks */
err = sysfs_create_group(&client->dev.kobj, &ds1621_group);
if (err)
goto exit_free;
return err;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@ -276,9 +275,6 @@ static int ds1621_probe(struct i2c_client *client,
exit_remove_files:
sysfs_remove_group(&client->dev.kobj, &ds1621_group);
exit_free:
kfree(data);
exit:
return err;
}
@ -289,8 +285,6 @@ static int ds1621_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &ds1621_group);
kfree(data);
return 0;
}