From fc41f2e461255d051958160cabad3b0edf096566 Mon Sep 17 00:00:00 2001
From: Diva Canto <diva@metaverseink.com>
Date: Thu, 8 Oct 2009 07:55:06 -0700
Subject: [PATCH] Added guards against the exception reported:

#2009-10-08 12:58:34,462 ERROR - OpenSim.Application [APPLICATION]:
#APPLICATION EXCEPTION DETECTED: System.UnhandledExceptionEventArgs
#
#Exception: System.Exception: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object.
#   at OpenSim.Region.ClientStack.LindenUDP.J2KImage.SendFirstPacket(LLClientView client) in c:\Opensim\OpenSim\Region\ClientStack\LindenUDP\J2KImage.cs:line 230
#   at OpenSim.Region.ClientStack.LindenUDP.J2KImage.SendPackets(LLClientView client, Int32 maxpack) in c:\Opensim\OpenSim\Region\ClientStack\LindenUDP\J2KImage.cs:line 84
---
 OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
index 2f1face8cf..5877779d2b 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs
@@ -74,6 +74,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         public bool SendPackets(LLClientView client, int maxpack)
         {
+            if (client == null)
+                return false;
+
             if (m_currentPacket <= m_stopPacket)
             {
                 int count = 0;
@@ -202,6 +205,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         private bool SendFirstPacket(LLClientView client)
         {
+            if (client == null)
+                return false;
+
             if (m_asset == null)
             {
                 m_log.Warn("[J2KIMAGE]: Sending ImageNotInDatabase for texture " + TextureID);
@@ -234,6 +240,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         private bool SendPacket(LLClientView client)
         {
+            if (client == null)
+                return false;
+
             bool complete = false;
             int imagePacketSize = ((int)m_currentPacket == (TexturePacketCount())) ? LastPacketSize() : IMAGE_PACKET_SIZE;