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>

1 files changed, 4 insertions, 11 deletions

diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
index 429c5b2b66fd..98b3d04f98b7 100644
--- 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;
 }