diff mbox series

[for-rc,3/8] RDMA/hns: Bugfix for mapping user db

Message ID 1548405030-124329-4-git-send-email-oulijun@huawei.com (mailing list archive)
State Changes Requested
Headers show
Series Some hns bugfixes for 5.0-rc3 | expand

Commit Message

Lijun Ou Jan. 25, 2019, 8:30 a.m. UTC 
when the maximum send wr delivered by the user is
zero, qp does not have sq. As a result, we need to
remove this scenario when mapping user sq db.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_qp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 54031c5..89dd238 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -517,7 +517,7 @@  static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev,
 
 static int hns_roce_qp_has_sq(struct ib_qp_init_attr *attr)
 {
-	if (attr->qp_type == IB_QPT_XRC_TGT)
+	if (attr->qp_type == IB_QPT_XRC_TGT || !attr->cap.max_send_wr)
 		return 0;
 
 	return 1;