From 73a171a07c01506132a90deb4341176600d65972 Mon Sep 17 00:00:00 2001
From: Hailiang Wang <hailiangx.e.wang@intel.com>
Date: Fri, 21 Jun 2019 10:49:22 +0800
Subject: [PATCH] rdma: assert ibv_send_wr is not NULL

Vhost testing crashed from Nightly testing, because a member
access within null pointer of type 'struct ibv_send_wr'.

Change-Id: If8f34f23864883ea73516d2d1fe3b30137c04316
Signed-off-by: Hailiang Wang <hailiangx.e.wang@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/458913
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 lib/nvmf/rdma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/nvmf/rdma.c b/lib/nvmf/rdma.c
index 594baae80..f8c0814de 100644
--- a/lib/nvmf/rdma.c
+++ b/lib/nvmf/rdma.c
@@ -1658,6 +1658,7 @@ nvmf_rdma_request_fill_iovs_multi_sgl(struct spdk_nvmf_rdma_transport *rtranspor
 
 	/* The first WR must always be the embedded data WR. This is how we unwind them later. */
 	current_wr = &rdma_req->data.wr;
+	assert(current_wr != NULL);
 
 	req->iovcnt = 0;
 	desc = (struct spdk_nvme_sgl_descriptor *)rdma_req->recv->buf + inline_segment->address;