From e0557f853ea166b1d0791cf490b3c0a03f510d58 Mon Sep 17 00:00:00 2001
From: Paul Belanger <paul.belanger@polybeacon.com>
Date: Sat, 24 Jul 2010 18:18:43 +0000
Subject: [PATCH] Check if ast_sockaddr is NULL then return.

(closes issue #17677)
Reported by: outcast
Patches:
      issue0017677.patch uploaded by pabelanger (license 224)
Tested by: elguero


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@279280 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 include/asterisk/netsock2.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asterisk/netsock2.h b/include/asterisk/netsock2.h
index b73d848a0d..24330d236a 100644
--- a/include/asterisk/netsock2.h
+++ b/include/asterisk/netsock2.h
@@ -82,7 +82,7 @@ int ast_sockaddr_ipv4_mapped(const struct ast_sockaddr *addr, struct ast_sockadd
  */
 static inline int ast_sockaddr_isnull(const struct ast_sockaddr *addr)
 {
-	return addr->len == 0;
+	return !addr || addr->len == 0;
 }
 
 /*!