hwmon: (asus_atk0110) Use PTR_ERR_OR_ZERO instead of reimplementing its function

PTR_ERR_OR_ZERO has implemented the same function. We prefer to use
inlined function rather than code-opened implementation.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/asus_atk0110.c

@@ -1210,10 +1210,8 @@ static int atk_register_hwmon(struct atk_data *data)
 	data->hwmon_dev = hwmon_device_register_with_groups(dev, "atk0110",
 							    data,
 							    data->attr_groups);
-	if (IS_ERR(data->hwmon_dev))
-		return PTR_ERR(data->hwmon_dev);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(data->hwmon_dev);
 }
 
 static int atk_probe_if(struct atk_data *data)