net/sched: act_mirred: refactor the handle of xmit

mainline inclusion
from mainline-v5.11-rc1
commit fa6d6399
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I64END
CVE: CVE-2022-4269

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.3-rc2&id=fa6d639930ee5cd3f932cc314f3407f07a06582d



--------------------------------

This one is prepare for the next patch.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Conflicts:
	net/sched/act_mirred.c
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Reviewed-by: Liu Jian <liujian56@huawei.com>
Reviewed-by: Wang Weiyang <wangweiyang2@huawei.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>