From 17c32e60583a31b1601a019fe2034b40d90e7f46 Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Wed, 17 Nov 2021 12:08:04 +0000
Subject: [PATCH] possible null ref

---
 OpenSim/Framework/AgentCircuitManager.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OpenSim/Framework/AgentCircuitManager.cs b/OpenSim/Framework/AgentCircuitManager.cs
index dea81a9c5d..38fdcf83ef 100644
--- a/OpenSim/Framework/AgentCircuitManager.cs
+++ b/OpenSim/Framework/AgentCircuitManager.cs
@@ -122,7 +122,7 @@ namespace OpenSim.Framework
         {
             m_agentCircuitsByUUID.TryRemove(ac.AgentID, out AgentCircuitData dummy);
             m_agentCircuits.TryRemove(ac.circuitcode, out AgentCircuitData dummyb);
-            if (dummy.circuitcode != ac.circuitcode) //??
+            if (dummy!= null && dummy.circuitcode != ac.circuitcode) //??
                 m_agentCircuits.TryRemove(dummy.circuitcode, out AgentCircuitData dummyc);
         }