From 5e8ab2af31c437575e6fcfd3d65f3ac16b365b1d Mon Sep 17 00:00:00 2001
From: Flugente <Flugente@3b4a5df2-a311-0410-b5c6-a8a6f20db521>
Date: Fri, 7 Aug 2015 20:16:15 +0000
Subject: [PATCH] Fix: possible access to invalid memory if waypoint is list
 was corrupted

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@7962 3b4a5df2-a311-0410-b5c6-a8a6f20db521
---
 Strategic/Strategic Movement.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Strategic/Strategic Movement.cpp b/Strategic/Strategic Movement.cpp
index 24306e84e..74462151a 100644
--- a/Strategic/Strategic Movement.cpp	
+++ b/Strategic/Strategic Movement.cpp	
@@ -3203,8 +3203,10 @@ INT32 CalculateTravelTimeOfGroup( GROUP *pGroup )
 	while ( i-- )
 	{
 		//Traverse through the waypoint list to the next waypoint ID
-		if( pNode );
-			pNode = pNode->next;
+		if( !pNode )
+			return uiEtaTime;
+
+		pNode = pNode->next;
 	}
 
 	if ( !pNode )