Add void before function which don't receive ret to improve code
readability.
Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        hdev->devlink = devlink;
 
        devlink_set_features(devlink, DEVLINK_F_RELOAD);
-       devlink_register(devlink);
+       (void)devlink_register(devlink);
        return 0;
 }
 
 
        hdev->devlink = devlink;
 
        devlink_set_features(devlink, DEVLINK_F_RELOAD);
-       devlink_register(devlink);
+       (void)devlink_register(devlink);
        return 0;
 }