From 6c84c4879c94dac8bb30915f74247c9632fbd633 Mon Sep 17 00:00:00 2001
From: Thomas Ries <tries@gmx.net>
Date: Tue, 25 May 2004 17:40:35 +0000
Subject: [PATCH] - sip_utils.c:sip_del_myvia check for NULL list

---
 ChangeLog       | 1 +
 src/sip_utils.c | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 795eabc..f039547 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,6 @@
 0.5.7
 =====
+  25-May-2004:  - sip_utils.c:sip_del_myvia check for NULL list
   24-May-2004:  - included doc/sample_* to package
   23-May-2004:  - doc/: added configuration example for X-Lite
 
diff --git a/src/sip_utils.c b/src/sip_utils.c
index 0665e92..a9edf25 100644
--- a/src/sip_utils.c
+++ b/src/sip_utils.c
@@ -643,6 +643,11 @@ int sip_del_myvia (osip_message_t *response) {
    DEBUGC(DBCLASS_PROXY,"deleting topmost VIA");
    via = osip_list_get (response->vias, 0);
    
+   if ( via == NULL ) {
+      ERROR("Got empty VIA list - is your UA configured properly?");
+      return STS_FAILURE;
+   }
+
    if ( is_via_local(via) == STS_FALSE ) {
       ERROR("I'm trying to delete a VIA but it's not mine! host=%s",via->host);
       return STS_FAILURE;