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>

1 files changed, 4 insertions, 9 deletions

diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index 8fac87a38544..6a8ded29f1ed 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -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;
 }