From: Chengchang Tang <tangchengchang@xxxxxxxxxx>
When a reserved QP fails to be created, the memory of the remaining
created reserved QPs is leaked.
Fixes: 70f92521584f ("RDMA/hns: Use the reserved loopback QPs to free MR before destroying MPT")
Signed-off-by: Chengchang Tang <tangchengchang@xxxxxxxxxx>
Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
---
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 8126922b4e21..538f3e8949fc 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -2705,6 +2705,10 @@ static int free_mr_alloc_res(struct hns_roce_dev *hr_dev)
return 0;
create_failed_qp:
+ for (i--; i >= 0; i--) {
+ hns_roce_v2_destroy_qp(&free_mr->rsv_qp[i]->ibqp, NULL);
+ kfree(free_mr->rsv_qp[i]);
+ }
hns_roce_destroy_cq(cq, NULL);
kfree(cq);
--
2.30.0
