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 429c5b2..98b3d04f 100644
--- a/drivers/hwmon/ltc4215.c
+++ b/drivers/hwmon/ltc4215.c
@@ -253,11 +253,9 @@
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 @@
/* Register sysfs hooks */
ret = sysfs_create_group(&client->dev.kobj, <c4215_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 @@
out_hwmon_device_register:
sysfs_remove_group(&client->dev.kobj, <c4215_group);
-out_sysfs_create_group:
- kfree(data);
-out_kzalloc:
return ret;
}
@@ -293,8 +288,6 @@
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, <c4215_group);
- kfree(data);
-
return 0;
}