From fb2deb0d452c67c9c0b30c32223ef91b844e5e68 Mon Sep 17 00:00:00 2001
From: Melanie Thielker <melanie@t-data.com>
Date: Wed, 18 Aug 2010 20:17:20 +0200
Subject: [PATCH] Prevent a bad cast in llCreateLink().

---
 .../ScriptEngine/Shared/Api/Implementation/LSL_Api.cs       | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 76ade1f7b5..97dd2e11d4 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3780,6 +3780,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
             m_host.AddScriptLPS(1);
             UUID invItemID = InventorySelf();
+            UUID targetID;
+
+            if (!UUID.TryParse(target, out targetID))
+                return;
 
             TaskInventoryItem item;
             m_host.TaskInventory.LockItemsForRead(true);
@@ -3798,7 +3802,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (sp != null)
                 client = sp.ControllingClient;
 
-            SceneObjectPart targetPart = World.GetSceneObjectPart((UUID)target);
+            SceneObjectPart targetPart = World.GetSceneObjectPart((UUID)targetID);
 
             if (targetPart.ParentGroup.RootPart.AttachmentPoint != 0)
                 return; // Fail silently if attached