From: Lijun Ou <oulijun@xxxxxxxxxx>
When recv cq or send cq doesn't exist, clean cq will lead to a null pointer
error in hns_roce_u_v2_destroy_qp().
Fixes: 6fe30a1a705f ("libhns: Introduce QP operations referred to hip08 RoCE device")
Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
Signed-off-by: Weihang Li <liweihang@xxxxxxxxxxxxx>
---
providers/hns/hns_roce_u_hw_v2.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/providers/hns/hns_roce_u_hw_v2.c b/providers/hns/hns_roce_u_hw_v2.c
index 7f5a2ce..64dea8e 100644
--- a/providers/hns/hns_roce_u_hw_v2.c
+++ b/providers/hns/hns_roce_u_hw_v2.c
@@ -1181,10 +1181,11 @@ static int hns_roce_u_v2_destroy_qp(struct ibv_qp *ibqp)
hns_roce_lock_cqs(ibqp);
- __hns_roce_v2_cq_clean(to_hr_cq(ibqp->recv_cq), ibqp->qp_num,
- ibqp->srq ? to_hr_srq(ibqp->srq) : NULL);
+ if (ibqp->recv_cq)
+ __hns_roce_v2_cq_clean(to_hr_cq(ibqp->recv_cq), ibqp->qp_num,
+ ibqp->srq ? to_hr_srq(ibqp->srq) : NULL);
- if (ibqp->send_cq != ibqp->recv_cq)
+ if (ibqp->send_cq && ibqp->send_cq != ibqp->recv_cq)
__hns_roce_v2_cq_clean(to_hr_cq(ibqp->send_cq), ibqp->qp_num,
NULL);
--
2.8.1
