rdma-core/0040-libhns-Fix-memory-leakage-when-DCA-is-enabled.patch

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From a73b31041073a45b04535c4183b39195bbebe514 Mon Sep 17 00:00:00 2001
From: wenglianfa <wenglianfa@huawei.com>
Date: Thu, 25 Jul 2024 11:06:01 +0800
Subject: [PATCH] libhns: Fix memory leakage when DCA is enabled
driver inclusion
category: feature
bugzilla: https://gitee.com/src-openeuler/rdma-core/issues/IB66RT
------------------------------------------------------------------
After DCA is enabled and a QP is created, the memory block
applied for DCA is not free when the QP is destroyed. Here
fix it.
Fixes:26e79aa7eb8d ("libhns: Add support for attaching QP's WQE buffer")
Signed-off-by: wenglianfa <wenglianfa@huawei.com>
Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com>
---
providers/hns/hns_roce_u_verbs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c
index e30880c..c733b21 100644
--- a/providers/hns/hns_roce_u_verbs.c
+++ b/providers/hns/hns_roce_u_verbs.c
@@ -1357,7 +1357,8 @@ static void qp_free_wqe(struct hns_roce_qp *qp)
if (qp->rq.wqe_cnt)
free(qp->rq.wrid);
- hns_roce_free_buf(&qp->buf);
+ else
+ hns_roce_free_buf(&qp->buf);
}
static int qp_alloc_wqe(struct ibv_qp_init_attr_ex *attr,
--
2.25.1