Unverified Commit f32b99fe authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12217 v2 RDMA/hns: Fix new mmaped pages during resetting 

Merge Pull Request from: @ci-robot 
 
PR sync from: Chengchang Tang <tangchengchang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/PAVFTFWS667RHS5MBICHZXWV75BSA757/ 
 
https://gitee.com/openeuler/kernel/issues/IAVH99 
 
Link:https://gitee.com/openeuler/kernel/pulls/12217

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Reviewed-by: default avatarChengchang Tang <tangchengchang@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents d7824242 89e09350

drivers/infiniband/hw/hns/hns_roce_main.c

+5 −0
Original line number Diff line number Diff line
@@ -683,6 +683,11 @@ static int hns_roce_mmap(struct ib_ucontext *uctx, struct vm_area_struct *vma) 
	pgprot_t prot;

	int ret;



	if (hr_dev->dis_db) {

		atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MMAP_ERR_CNT]);

		return -EPERM;

	}



	rdma_entry = rdma_user_mmap_entry_get_pgoff(uctx, vma->vm_pgoff);

	if (!rdma_entry) {

		atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MMAP_ERR_CNT]);