From 4d103905eb1e4f14cb62fcf962c9d35da7005dea Mon Sep 17 00:00:00 2001 From: Lijun Ou Date: Wed, 12 Dec 2018 17:49:07 +0800 Subject: RDMA/hns: Bugfix for the scene without receiver queue In some application scenario, the user could not have receive queue when run rdma write or read operation. Signed-off-by: Lijun Ou Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/hns/hns_roce_qp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/infiniband/hw/hns/hns_roce_qp.c') diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 54031c5b53fa..b9ba140b50d4 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -526,7 +526,8 @@ static int hns_roce_qp_has_sq(struct ib_qp_init_attr *attr) static int hns_roce_qp_has_rq(struct ib_qp_init_attr *attr) { if (attr->qp_type == IB_QPT_XRC_INI || - attr->qp_type == IB_QPT_XRC_TGT || attr->srq) + attr->qp_type == IB_QPT_XRC_TGT || attr->srq || + !attr->cap.max_recv_wr) return 0; return 1; -- cgit v1.2.3-59-g8ed1b