hwmon: (ad7418) 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>
This commit is contained in:
Guenter Roeck 2012-06-02 09:57:58 -07:00
parent 0fee6591b7
commit d5282926aa

View file

@ -227,16 +227,13 @@ static int ad7418_probe(struct i2c_client *client,
int err;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA)) {
err = -EOPNOTSUPP;
goto exit;
}
I2C_FUNC_SMBUS_WORD_DATA))
return -EOPNOTSUPP;
data = kzalloc(sizeof(struct ad7418_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit;
}
data = devm_kzalloc(&client->dev, sizeof(struct ad7418_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
i2c_set_clientdata(client, data);
@ -268,7 +265,7 @@ static int ad7418_probe(struct i2c_client *client,
/* Register sysfs hooks */
err = sysfs_create_group(&client->dev.kobj, &data->attrs);
if (err)
goto exit_free;
return err;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@ -280,9 +277,6 @@ static int ad7418_probe(struct i2c_client *client,
exit_remove:
sysfs_remove_group(&client->dev.kobj, &data->attrs);
exit_free:
kfree(data);
exit:
return err;
}
@ -291,7 +285,6 @@ static int ad7418_remove(struct i2c_client *client)
struct ad7418_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &data->attrs);
kfree(data);
return 0;
}