RDMA/hns: Fix srq initialization failure problem

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

Currently, when the qp use the srq, the rq mtt count checking
will fail.

This patch fixes this issue by ignoring the rq mtt count checking.

Fixes: 5c42b537063d ("RDMA/hns:Fix bug when wqe num is larger than 16384")
Signed-off-by: Nwangxi <wangxi11@huawei.com>
Signed-off-by: NXi Wang <wangxi11@huawei.com>
Reviewed-by: Noulijun <oulijun@huawei.com>
Reviewed-by: Nliuyixian <liuyixian@huawei.com>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -3989,6 +3989,7 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
 	count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr,
 				  hr_qp->rq.offset / page_size, mtts,
 				  MTT_MIN_COUNT, &wqe_sge_ba);
+	if (!ibqp->srq)
 		if (!check_wqe_rq_mtt_count(hr_dev, hr_qp, count, page_size))
 			return -EINVAL;