From b70e698465dab8ee81509033db88e94e180e5009 Mon Sep 17 00:00:00 2001
From: jiaqizho <jiaqi.zhou@intel.com>
Date: Fri, 29 Mar 2019 10:06:51 +0800
Subject: [PATCH] rdma:fix core dump when rdma_create_qp return error.

Signed-off-by: jiaqizho <jiaqi.zhou@intel.com>
Change-Id: Ie900e01820f69fc5b2d5e30d519c6b619d7a7281
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449507
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 lib/nvmf/rdma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/nvmf/rdma.c b/lib/nvmf/rdma.c
index d144900c8..f3c78a3fe 100644
--- a/lib/nvmf/rdma.c
+++ b/lib/nvmf/rdma.c
@@ -3024,7 +3024,9 @@ spdk_nvmf_rdma_poll_group_destroy(struct spdk_nvmf_transport_poll_group *group)
 static void
 spdk_nvmf_rdma_qpair_reject_connection(struct spdk_nvmf_rdma_qpair *rqpair)
 {
-	spdk_nvmf_rdma_event_reject(rqpair->cm_id, SPDK_NVMF_RDMA_ERROR_NO_RESOURCES);
+	if (rqpair->cm_id != NULL) {
+		spdk_nvmf_rdma_event_reject(rqpair->cm_id, SPDK_NVMF_RDMA_ERROR_NO_RESOURCES);
+	}
 	spdk_nvmf_rdma_qpair_destroy(rqpair);
 }