hwmon: (lm77) 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/lm77.c b/drivers/hwmon/lm77.c
index 3ccc23a..f82acf6 100644 (file)
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -343,11 +343,9 @@ static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id)
        struct lm77_data *data;
        int err;
 
-       data = kzalloc(sizeof(struct lm77_data), GFP_KERNEL);
-       if (!data) {
-               err = -ENOMEM;
-               goto exit;
-       }
+       data = devm_kzalloc(dev, sizeof(struct lm77_data), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
        i2c_set_clientdata(client, data);
        data->valid = 0;
@@ -359,7 +357,7 @@ static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id)
        /* Register sysfs hooks */
        err = sysfs_create_group(&dev->kobj, &lm77_group);
        if (err)
-               goto exit_free;
+               return err;
 
        data->hwmon_dev = hwmon_device_register(dev);
        if (IS_ERR(data->hwmon_dev)) {
@@ -371,9 +369,6 @@ static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 exit_remove:
        sysfs_remove_group(&dev->kobj, &lm77_group);
-exit_free:
-       kfree(data);
-exit:
        return err;
 }
 
@@ -382,7 +377,6 @@ static int lm77_remove(struct i2c_client *client)
        struct lm77_data *data = i2c_get_clientdata(client);
        hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&client->dev.kobj, &lm77_group);
-       kfree(data);
        return 0;
 }