Stop a scene object from attempting to link with itself (which results in an exception and constant complaints in v3 viewers).

Aims to address http://opensimulator.org/mantis/view.php?id=5878

1 files changed, 4 insertions, 0 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index b724135..5b838f8 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -1961,6 +1961,10 @@ namespace OpenSim.Region.Framework.Scenes
 //                "[SCENE OBJECT GROUP]: Linking group with root part {0}, {1} to group with root part {2}, {3}",
 //                objectGroup.RootPart.Name, objectGroup.RootPart.UUID, RootPart.Name, RootPart.UUID);
 
+            // Linking to ourselves is not a valid operation.
+            if (objectGroup == this)
+                return;
+
             SceneObjectPart linkPart = objectGroup.m_rootPart;
 
             Vector3 oldGroupPosition = linkPart.GroupPosition;