Change the member name will make the code more readable.
This patch will be used in next patch.
Signed-off-by: NMartin Zhang <zhangjunweimartin@didichuxing.com>
Signed-off-by: NTonghao Zhang <zhangtonghao@didichuxing.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>