Just follow the Joe Perches's opinion, it is a better way to fix the
style errors.
Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>