From 3995b1c1b9e01eae298d2be5bfe6027d54df16d5 Mon Sep 17 00:00:00 2001
From: Bo Cai <cai.bo@h3c.com>
Date: Tue, 19 Jan 2016 10:56:22 +0800
Subject: [PATCH] mon/MonClient: avoid null pointer error when configured
 incorrectly

fix: #14405
Signed-off-by: Bo Cai <cai.bo@h3c.com>
---
 src/mon/MonClient.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mon/MonClient.cc b/src/mon/MonClient.cc
index 718355142e6f..dc1ec6c4a7b0 100644
--- a/src/mon/MonClient.cc
+++ b/src/mon/MonClient.cc
@@ -117,6 +117,9 @@ int MonClient::get_monmap_privately()
   Messenger* smessenger = NULL;
   if (!messenger) {
     messenger = smessenger = Messenger::create_client_messenger(cct, "temp_mon_client");
+    if (NULL == messenger) {
+        return -1;
+    }
     messenger->add_dispatcher_head(this);
     smessenger->start();
     temp_msgr = true;
-- 
2.47.3