From: Volker Lendecke <vl@samba.org>
Date: Sat, 15 Aug 2009 20:04:13 +0000 (+0200)
Subject: s3:winbind: Fix a potential segfault in libwbclient
X-Git-Url: http://git.samba.org/?p=metze%2Fsamba%2Fwip.git;a=commitdiff_plain;h=5ae122ed7a76e984cc9a8524c03a94bfe42232e3

s3:winbind: Fix a potential segfault in libwbclient
---

diff --git a/nsswitch/libwbclient/wbc_util.c b/nsswitch/libwbclient/wbc_util.c
index fcb7671d8388..7f3b61bb25d4 100644
--- a/nsswitch/libwbclient/wbc_util.c
+++ b/nsswitch/libwbclient/wbc_util.c
@@ -407,7 +407,7 @@ wbcErr wbcListTrusts(struct wbcDomainInfo **domains, size_t *num_domains)
 
 	p = (char *)response.extra_data.data;
 
-	if (strlen(p) == 0) {
+	if ((p == NULL) || (strlen(p) == 0)) {
 		/* We should always at least get back our
 		   own SAM domain */