From 85aae5e96363d0b5b03d31fb36465121d3381cb2 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Mon, 29 Mar 2010 18:23:40 +0200
Subject: [PATCH] s3:libsmb: don't let cli_shutdown() segfault with a NULL
 cli_state

metze
(similar to commit 47e10ab9a85960c78af807b66b99bcd139713644)
---
 source3/libsmb/clientgen.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source3/libsmb/clientgen.c b/source3/libsmb/clientgen.c
index 1ea8033fc62..b9f0024892b 100644
--- a/source3/libsmb/clientgen.c
+++ b/source3/libsmb/clientgen.c
@@ -695,6 +695,10 @@ void cli_nt_pipes_close(struct cli_state *cli)
 
 void cli_shutdown(struct cli_state *cli)
 {
+	if (cli == NULL) {
+		return;
+	}
+
 	if (cli->prev == NULL) {
 		/*
 		 * Possible head of a DFS list,
-- 
2.11.4.GIT