76d34bf06c
driver inclusion category: feature bugzilla: https://gitee.com/src-openeuler/rdma-core/issues/IB7JZL ------------------------------------------------------------------ If the specified send CQ and recv CQ are both the same CQ, the QP node in SCQ is not deleted. which causes a segfault to occur when recreating the QP. Here fix it. Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com> (cherry picked from commit a8c29764ee5bbc28c181b8c57a6bd9d2802b25ca)
55 lines
1.7 KiB
Diff
55 lines
1.7 KiB
Diff
From 263479c6fb4712528ccae276960ec94fd77afc51 Mon Sep 17 00:00:00 2001
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From: Yuyu Li <liyuyu6@huawei.com>
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Date: Mon, 25 Nov 2024 16:13:48 +0800
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Subject: [PATCH] libhns: Fix coredump during QP destruction when send_cq ==
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recv_cq
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driver inclusion
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category: feature
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bugzilla: https://gitee.com/src-openeuler/rdma-core/issues/IB7JZL
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------------------------------------------------------------------
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If the specified send CQ and recv CQ are both
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the same CQ, the QP node in SCQ is not deleted.
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which causes a segfault to occur when recreating
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the QP. Here fix it.
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coredump info:
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0x0000ffff8fbc37d4 in list_add_before_
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0x0000ffff8fbc381c in list_add_tail_
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0x0000ffff8fbc9d9c in add_qp_to_cq_list
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0x0000ffff8fbca008 in create_qp
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0x0000ffff8fbca110 in hns_roce_u_create_qp
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0x0000ffff8feae39c in __ibv_create_qp_1_1
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0x0000000000401420 in test_ctrl_path
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Fixes: 95e05809d2d2 ("[BigDipperV3R9,NeZha][ROCE] libhns: Support reporting wc as software mode")
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Signed-off-by: Yuyu Li <liyuyu6@huawei.com>
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Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com>
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---
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providers/hns/hns_roce_u_hw_v2.c | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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diff --git a/providers/hns/hns_roce_u_hw_v2.c b/providers/hns/hns_roce_u_hw_v2.c
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index e4232ea..c746e03 100644
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--- a/providers/hns/hns_roce_u_hw_v2.c
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+++ b/providers/hns/hns_roce_u_hw_v2.c
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@@ -2006,9 +2006,10 @@ static int hns_roce_u_v2_destroy_qp(struct ibv_qp *ibqp)
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list_del(&qp->rcq_node);
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}
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- if (ibqp->send_cq && ibqp->send_cq != ibqp->recv_cq) {
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- __hns_roce_v2_cq_clean(to_hr_cq(ibqp->send_cq), ibqp->qp_num,
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- NULL);
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+ if (ibqp->send_cq) {
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+ if (ibqp->send_cq != ibqp->recv_cq)
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+ __hns_roce_v2_cq_clean(to_hr_cq(ibqp->send_cq), ibqp->qp_num,
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+ NULL);
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list_del(&qp->scq_node);
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}
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--
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2.33.0
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