!1004 [sync] PR-993: Clean up for RDMA/HNS

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/993 
 
https://gitee.com/openeuler/kernel/issues/I7A4LC 
 
Link:https://gitee.com/openeuler/kernel/pulls/1004

 

Reviewed-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>