From a47fb93b7419c08549b27dc0d5c27896ecf744c7 Mon Sep 17 00:00:00 2001
From: Melanie
Date: Tue, 23 Nov 2010 23:48:52 +0100
Subject: Prevent a dump in the llGetLinkKey method when using LINK_ROOT in a
 single prim

---
 OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 7e9224d..ec4d815 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -4007,6 +4007,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 {
                     linknum -= (m_host.ParentGroup.PrimCount) + 1;
 
+                    if (linknum < 0)
+                        return UUID.Zero.ToString();
+
                     List<ScenePresence> avatars = GetLinkAvatars(ScriptBaseClass.LINK_SET);
                     if (avatars.Count > linknum)
                     {
-- 
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