hwmon: (amc6821) 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>
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index f600fa1..ae482e3 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -862,12 +862,10 @@
struct amc6821_data *data;
int err;
- data = kzalloc(sizeof(struct amc6821_data), GFP_KERNEL);
- if (!data) {
- dev_err(&client->dev, "out of memory.\n");
+ data = devm_kzalloc(&client->dev, sizeof(struct amc6821_data),
+ GFP_KERNEL);
+ if (!data)
return -ENOMEM;
- }
-
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
@@ -877,11 +875,11 @@
*/
err = amc6821_init_client(client);
if (err)
- goto err_free;
+ return err;
err = sysfs_create_group(&client->dev.kobj, &amc6821_attr_grp);
if (err)
- goto err_free;
+ return err;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (!IS_ERR(data->hwmon_dev))
@@ -890,8 +888,6 @@
err = PTR_ERR(data->hwmon_dev);
dev_err(&client->dev, "error registering hwmon device.\n");
sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp);
-err_free:
- kfree(data);
return err;
}
@@ -902,8 +898,6 @@
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp);
- kfree(data);
-
return 0;
}