hwmon: (smsc47m192) 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/smsc47m192.c b/drivers/hwmon/smsc47m192.c
index 4705a8b..36a3478 100644 (file)
--- a/drivers/hwmon/smsc47m192.c
+++ b/drivers/hwmon/smsc47m192.c
@@ -554,11 +554,10 @@ static int smsc47m192_probe(struct i2c_client *client,
        int config;
        int err;
 
-       data = kzalloc(sizeof(struct smsc47m192_data), GFP_KERNEL);
-       if (!data) {
-               err = -ENOMEM;
-               goto exit;
-       }
+       data = devm_kzalloc(&client->dev, sizeof(struct smsc47m192_data),
+                           GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
        i2c_set_clientdata(client, data);
        data->vrm = vid_which_vrm();
@@ -570,7 +569,7 @@ static int smsc47m192_probe(struct i2c_client *client,
        /* Register sysfs hooks */
        err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group);
        if (err)
-               goto exit_free;
+               return err;
 
        /* Pin 110 is either in4 (+12V) or VID4 */
        config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG);
@@ -592,9 +591,6 @@ static int smsc47m192_probe(struct i2c_client *client,
 exit_remove_files:
        sysfs_remove_group(&client->dev.kobj, &smsc47m192_group);
        sysfs_remove_group(&client->dev.kobj, &smsc47m192_group_in4);
-exit_free:
-       kfree(data);
-exit:
        return err;
 }
 
@@ -606,8 +602,6 @@ static int smsc47m192_remove(struct i2c_client *client)
        sysfs_remove_group(&client->dev.kobj, &smsc47m192_group);
        sysfs_remove_group(&client->dev.kobj, &smsc47m192_group_in4);
 
-       kfree(data);
-
        return 0;
 }