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>
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index 8fac87a..6a8ded2 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -267,7 +267,8 @@
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 @@
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 @@
exit_remove:
sysfs_remove_group(&client->dev.kobj, &tmp421_group);
-
-exit_free:
- kfree(data);
-
return err;
}
@@ -307,8 +304,6 @@
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &tmp421_group);
- kfree(data);
-
return 0;
}