From: oulijun <oulijun@huawei.com>
Date: Wed, 3 Jan 2018 10:44:08 +0800
Subject: RDMA/hns: Assign dest_qp when deregistering mr
Patch-mainline: v4.16-rc1
Git-commit: 107013ce7b28c3d7395bc0299c0fe3ce12f15b6f
References: bsc#1104427 FATE#326416
It needs to create eight reserve QPs for resolving
a bug of hip06. When deregistering mr, it will issue
a rdma write for every reserve QPs.
When modify qp from init to rtr, it needs to set
the value of dest_qp_num. Otherwise, it will lead
an error of freeing mr.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -775,7 +775,7 @@ static int hns_roce_v1_rsv_lp_qp(struct
goto create_lp_qp_failed;
}
- ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, attr_mask,
+ ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, IB_QP_DEST_QPN,
IB_QPS_INIT, IB_QPS_RTR);
if (ret) {
dev_err(dev, "modify qp failed(%d)!\n", ret);