hwmon: (w83791d) Convert to use devm_ functions

Convert to use devm_ functions to reduce code size and simplify the code.

Cc: Marc Hulsman <m.hulsman@tudelft.nl>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index 2f446f9..9ade4d4 100644 (file)
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -1384,18 +1384,17 @@ static int w83791d_probe(struct i2c_client *client,
                        (val1 >> 5) & 0x07, (val1 >> 1) & 0x0f, val1);
 #endif
 
-       data = kzalloc(sizeof(struct w83791d_data), GFP_KERNEL);
-       if (!data) {
-               err = -ENOMEM;
-               goto error0;
-       }
+       data = devm_kzalloc(&client->dev, sizeof(struct w83791d_data),
+                           GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
        i2c_set_clientdata(client, data);
        mutex_init(&data->update_lock);
 
        err = w83791d_detect_subclients(client);
        if (err)
-               goto error1;
+               return err;
 
        /* Initialize the chip */
        w83791d_init_client(client);
@@ -1440,9 +1439,6 @@ error3:
                i2c_unregister_device(data->lm75[0]);
        if (data->lm75[1] != NULL)
                i2c_unregister_device(data->lm75[1]);
-error1:
-       kfree(data);
-error0:
        return err;
 }
 
@@ -1458,7 +1454,6 @@ static int w83791d_remove(struct i2c_client *client)
        if (data->lm75[1] != NULL)
                i2c_unregister_device(data->lm75[1]);
 
-       kfree(data);
        return 0;
 }