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.
Fixes: 0425e3e6e0c7 ("RDMA/hns: Support flush cqe for hip08 in kernel space")
Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
---
V1->V2:
1. Split it from the patchset("[PATCH for-rc 0/8] Some hns bugfixes for 5.0-rc3")
2. Add necessary note for fixing: line
---
drivers/infiniband/hw/hns/hns_roce_qp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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;
--
1.9.1
