From 5b7a585b4f01c18bcee4245a58ac41c3b51f01f5 Mon Sep 17 00:00:00 2001
From: Diva Canto <diva@metaverseink.com>
Date: Fri, 27 Nov 2015 08:22:30 -0800
Subject: [PATCH] Sometimes the viewer sends a null string as mapName; this
 made the client thread throw an exception with unexpected behavior for users
 (nothing happens). This commit gives it a sane default: it assumes we're
 looking for a position in the current region.

---
 OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 62206e9572..5374fa5dc8 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -9104,8 +9104,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     return true;
             }
             #endregion
-            string mapName = Util.UTF8.GetString(map.NameData.Name, 0,
-                                                     map.NameData.Name.Length - 1);
+            string mapName = (map.NameData.Name.Length == 0) ? m_scene.RegionInfo.RegionName :
+                Util.UTF8.GetString(map.NameData.Name, 0, map.NameData.Name.Length - 1);
             RequestMapName handlerMapNameRequest = OnMapNameRequest;
             if (handlerMapNameRequest != null)
             {