RDMA/hns: Bugfix for CM test

[ Upstream commit 15fc056fba7b17b9abfbe80a12f188403fc949fb ]

It will print the warning when the MSB bit of SLID is not zero running
cm_req_handler function that test CM. It needs to fixed zero when test
RoCE device.
Signed-off-by: NLijun Ou <oulijun@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -2268,6 +2268,7 @@ static int hns_roce_v2_poll_one(struct hns_roce_cq *hr_cq,
 		wc->src_qp = (u8)roce_get_field(cqe->byte_32,
 						V2_CQE_BYTE_32_RMT_QPN_M,
 						V2_CQE_BYTE_32_RMT_QPN_S);
+		wc->slid = 0;
 		wc->wc_flags |= (roce_get_bit(cqe->byte_32,
 					      V2_CQE_BYTE_32_GRH_S) ?
 					      IB_WC_GRH : 0);