hwmon: (ltc4215) Convert to use devm_ functions

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

Cc: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
index 429c5b2b66fd2b7b932db013789f8b61ac958454..98b3d04f98b70bee2713914031c4173451f5517a 100644 (file)
--- a/drivers/hwmon/ltc4215.c
+++ b/drivers/hwmon/ltc4215.c
@@ -253,11 +253,9 @@ static int ltc4215_probe(struct i2c_client *client,
        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
                return -ENODEV;
 
-       data = kzalloc(sizeof(*data), GFP_KERNEL);
-       if (!data) {
-               ret = -ENOMEM;
-               goto out_kzalloc;
-       }
+       data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
        i2c_set_clientdata(client, data);
        mutex_init(&data->update_lock);
@@ -268,7 +266,7 @@ static int ltc4215_probe(struct i2c_client *client,
        /* Register sysfs hooks */
        ret = sysfs_create_group(&client->dev.kobj, &ltc4215_group);
        if (ret)
-               goto out_sysfs_create_group;
+               return ret;
 
        data->hwmon_dev = hwmon_device_register(&client->dev);
        if (IS_ERR(data->hwmon_dev)) {
@@ -280,9 +278,6 @@ static int ltc4215_probe(struct i2c_client *client,
 
 out_hwmon_device_register:
        sysfs_remove_group(&client->dev.kobj, &ltc4215_group);
-out_sysfs_create_group:
-       kfree(data);
-out_kzalloc:
        return ret;
 }
 
@@ -293,8 +288,6 @@ static int ltc4215_remove(struct i2c_client *client)
        hwmon_device_unregister(data->hwmon_dev);
        sysfs_remove_group(&client->dev.kobj, &ltc4215_group);
 
-       kfree(data);
-
        return 0;
 }