From a0246f6553391380959eec4369cfbe2e0369dc04 Mon Sep 17 00:00:00 2001
From: shahar salzman <shahar.salzman@kaminario.com>
Date: Wed, 4 Jul 2018 11:56:05 +0300
Subject: [PATCH] lib: validate ib_verbs context is valid before using it

Change-Id: I54793624e46a4e51b0c989ddfe933ccb5f035123
Signed-off-by: shahar salzman <shahar.salzman@kaminario.com>
Reviewed-on: https://review.gerrithub.io/417858
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 lib/nvmf/rdma.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/nvmf/rdma.c b/lib/nvmf/rdma.c
index 235ae7194..b04ad5ef8 100644
--- a/lib/nvmf/rdma.c
+++ b/lib/nvmf/rdma.c
@@ -1487,6 +1487,14 @@ spdk_nvmf_rdma_listen(struct spdk_nvmf_transport *transport,
 		return rc;
 	}
 
+	if (!port->id->verbs) {
+		SPDK_ERRLOG("ibv_context is null\n");
+		rdma_destroy_id(port->id);
+		free(port);
+		pthread_mutex_unlock(&rtransport->lock);
+		return -1;
+	}
+
 	rc = rdma_listen(port->id, 10); /* 10 = backlog */
 	if (rc < 0) {
 		SPDK_ERRLOG("rdma_listen() failed\n");