hwmon: (w83792d) 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/w83792d.c b/drivers/hwmon/w83792d.c
index ffb5fdfecf0d5b5e921e6a7882f5796b6f063fc9..0ba5a2bd562e19c725e3daa5738b9522c345b50e 100644 (file)
--- a/drivers/hwmon/w83792d.c
+++ b/drivers/hwmon/w83792d.c
@@ -1422,11 +1422,9 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id)
        struct device *dev = &client->dev;
        int i, val1, err;
 
-       data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL);
-       if (!data) {
-               err = -ENOMEM;
-               goto ERROR0;
-       }
+       data = devm_kzalloc(dev, sizeof(struct w83792d_data), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
        i2c_set_clientdata(client, data);
        data->valid = 0;
@@ -1434,7 +1432,7 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
        err = w83792d_detect_subclients(client);
        if (err)
-               goto ERROR1;
+               return err;
 
        /* Initialize the chip */
        w83792d_init_client(client);
@@ -1448,7 +1446,7 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id)
        /* Register sysfs hooks */
        err = sysfs_create_group(&dev->kobj, &w83792d_group);
        if (err)
-               goto ERROR3;
+               goto exit_i2c_unregister;
 
        /*
         * Read GPIO enable register to check if pins for fan 4,5 are used as
@@ -1493,14 +1491,11 @@ exit_remove_files:
        sysfs_remove_group(&dev->kobj, &w83792d_group);
        for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)
                sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]);
-ERROR3:
+exit_i2c_unregister:
        if (data->lm75[0] != NULL)
                i2c_unregister_device(data->lm75[0]);
        if (data->lm75[1] != NULL)
                i2c_unregister_device(data->lm75[1]);
-ERROR1:
-       kfree(data);
-ERROR0:
        return err;
 }
 
@@ -1521,7 +1516,6 @@ w83792d_remove(struct i2c_client *client)
        if (data->lm75[1] != NULL)
                i2c_unregister_device(data->lm75[1]);
 
-       kfree(data);
        return 0;
 }