Commit 40398858 authored by Chengchang Tang's avatar Chengchang Tang Committed by Juan Zhou
Browse files

RDMA/hns: Remove unnecessary checks for NULL in mtr_alloc_bufs() 

driver inclusion
category: cleanup
bugzilla: https://gitee.com/openeuler/kernel/issues/I6GT7F



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

ib_umem_get() never return NULL.

Fixes: 3c873161 ("RDMA/hns: Add support for addressing when hopnum is 0")
Signed-off-by: default avatarChengchang Tang <tangchengchang@huawei.com>
parent 6fd50c4f

drivers/infiniband/hw/hns/hns_roce_mr.c

+1 −1
Original line number Diff line number Diff line
@@ -699,7 +699,7 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, 
		mtr->kmem = NULL;

		mtr->umem = ib_umem_get(ibdev, user_addr, total_size,

					buf_attr->user_access);

		if (IS_ERR_OR_NULL(mtr->umem)) {

		if (IS_ERR(mtr->umem)) {

			ibdev_err(ibdev, "failed to get umem, ret = %ld.\n",

				  PTR_ERR(mtr->umem));

			return -ENOMEM;