hwmon: (lm92) 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/lm92.c b/drivers/hwmon/lm92.c
index fdc691a..2282d77 100644 (file)
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -373,11 +373,10 @@ static int lm92_probe(struct i2c_client *new_client,
        struct lm92_data *data;
        int err;
 
-       data = kzalloc(sizeof(struct lm92_data), GFP_KERNEL);
-       if (!data) {
-               err = -ENOMEM;
-               goto exit;
-       }
+       data = devm_kzalloc(&new_client->dev, sizeof(struct lm92_data),
+                           GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
        i2c_set_clientdata(new_client, data);
        data->valid = 0;
@@ -389,7 +388,7 @@ static int lm92_probe(struct i2c_client *new_client,
        /* Register sysfs hooks */
        err = sysfs_create_group(&new_client->dev.kobj, &lm92_group);
        if (err)
-               goto exit_free;
+               return err;
 
        data->hwmon_dev = hwmon_device_register(&new_client->dev);
        if (IS_ERR(data->hwmon_dev)) {
@@ -401,9 +400,6 @@ static int lm92_probe(struct i2c_client *new_client,
 
 exit_remove:
        sysfs_remove_group(&new_client->dev.kobj, &lm92_group);
-exit_free:
-       kfree(data);
-exit:
        return err;
 }
 
@@ -414,7 +410,6 @@ static int lm92_remove(struct i2c_client *client)
        hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&client->dev.kobj, &lm92_group);
 
-       kfree(data);
        return 0;
 }