hwmon: (lm93) 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/lm93.c b/drivers/hwmon/lm93.c
index 67e8fe2..bf94618 100644 (file)
--- a/drivers/hwmon/lm93.c
+++ b/drivers/hwmon/lm93.c
@@ -2738,15 +2738,13 @@ static int lm93_probe(struct i2c_client *client,
        } else {
                dev_dbg(&client->dev, "detect failed, "
                        "smbus byte and/or word data not supported!\n");
-               err = -ENODEV;
-               goto err_out;
+               return -ENODEV;
        }
 
-       data = kzalloc(sizeof(struct lm93_data), GFP_KERNEL);
+       data = devm_kzalloc(&client->dev, sizeof(struct lm93_data), GFP_KERNEL);
        if (!data) {
                dev_dbg(&client->dev, "out of memory!\n");
-               err = -ENOMEM;
-               goto err_out;
+               return -ENOMEM;
        }
        i2c_set_clientdata(client, data);
 
@@ -2760,7 +2758,7 @@ static int lm93_probe(struct i2c_client *client,
 
        err = sysfs_create_group(&client->dev.kobj, &lm93_attr_grp);
        if (err)
-               goto err_free;
+               return err;
 
        /* Register hwmon driver class */
        data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -2770,9 +2768,6 @@ static int lm93_probe(struct i2c_client *client,
        err = PTR_ERR(data->hwmon_dev);
        dev_err(&client->dev, "error registering hwmon device.\n");
        sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
-err_free:
-       kfree(data);
-err_out:
        return err;
 }
 
@@ -2783,7 +2778,6 @@ static int lm93_remove(struct i2c_client *client)
        hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
 
-       kfree(data);
        return 0;
 }