From 47e10ab9a85960c78af807b66b99bcd139713644 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Mon, 29 Mar 2010 15:07:34 +0200
Subject: s3:libsmb: don't let cli_shutdown() segfault with a NULL cli_state

metze
---
 source3/libsmb/clientgen.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source3/libsmb/clientgen.c b/source3/libsmb/clientgen.c
index 1b43809138..c530c1434f 100644
--- a/source3/libsmb/clientgen.c
+++ b/source3/libsmb/clientgen.c
@@ -737,6 +737,9 @@ static void _cli_shutdown(struct cli_state *cli)
 void cli_shutdown(struct cli_state *cli)
 {
 	struct cli_state *cli_head;
+	if (cli == NULL) {
+		return;
+	}
 	DLIST_HEAD(cli, cli_head);
 	if (cli_head == cli) {
 		/*
-- 
cgit