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>
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index f647a33..1c56873 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -249,11 +249,10 @@
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 @@
/* 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 @@
exit_remove_files:
sysfs_remove_group(&client->dev.kobj, &ds1621_group);
- exit_free:
- kfree(data);
- exit:
return err;
}
@@ -289,8 +285,6 @@
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &ds1621_group);
- kfree(data);
-
return 0;
}