hwmon: (adm1021) 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/adm1021.c b/drivers/hwmon/adm1021.c
index 4394e7e99c46b4c14cdeff1901d48b89c9e83449..fd1d1b15854ee6bedfab249ff31c0036b57a789a 100644 (file)
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -366,11 +366,11 @@ static int adm1021_probe(struct i2c_client *client,
        struct adm1021_data *data;
        int err;
 
-       data = kzalloc(sizeof(struct adm1021_data), GFP_KERNEL);
+       data = devm_kzalloc(&client->dev, sizeof(struct adm1021_data),
+                           GFP_KERNEL);
        if (!data) {
-               pr_debug("adm1021: detect failed, kzalloc failed!\n");
-               err = -ENOMEM;
-               goto error0;
+               pr_debug("adm1021: detect failed, devm_kzalloc failed!\n");
+               return -ENOMEM;
        }
 
        i2c_set_clientdata(client, data);
@@ -384,21 +384,18 @@ static int adm1021_probe(struct i2c_client *client,
        /* Register sysfs hooks */
        err = sysfs_create_group(&client->dev.kobj, &adm1021_group);
        if (err)
-               goto error1;
+               return err;
 
        data->hwmon_dev = hwmon_device_register(&client->dev);
        if (IS_ERR(data->hwmon_dev)) {
                err = PTR_ERR(data->hwmon_dev);
-               goto error3;
+               goto error;
        }
 
        return 0;
 
-error3:
+error:
        sysfs_remove_group(&client->dev.kobj, &adm1021_group);
-error1:
-       kfree(data);
-error0:
        return err;
 }
 
@@ -418,7 +415,6 @@ static int adm1021_remove(struct i2c_client *client)
        hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&client->dev.kobj, &adm1021_group);
 
-       kfree(data);
        return 0;
 }