From: Russell Bryant <russell@russellbryant.com>
Date: Thu, 20 Dec 2007 20:21:41 +0000 (+0000)
Subject: Fix another potential seg fault ...
X-Git-Tag: 1.2.26.1~1^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4208af22044445bd5f919ba9f4476812ffde37bf;p=thirdparty%2Fasterisk.git

Fix another potential seg fault ...

(closes issue #11606)
Reported by: dimas


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@94255 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index e4d8267988..820f474bd2 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -2620,7 +2620,7 @@ static void realtime_update_peer(const char *peername, struct sockaddr_in *sin,
 
 static struct iax2_peer *realtime_peer(const char *peername, struct sockaddr_in *sin)
 {
-	struct ast_variable *var;
+	struct ast_variable *var = NULL;
 	struct ast_variable *tmp;
 	struct iax2_peer *peer=NULL;
 	time_t regseconds, nowtime;
@@ -2654,7 +2654,7 @@ static struct iax2_peer *realtime_peer(const char *peername, struct sockaddr_in
 		 * is because we only have the IP address and the host field might be
 		 * set as a name (and the reverse PTR might not match).
 		 */
-		if (var) {
+		if (var && sin) {
 			for (tmp = var; tmp; tmp = tmp->next) {
 				if (!strcasecmp(tmp->name, "host")) {
 					struct in_addr sin2 = { 0, };