From 9f3c8035526a85e3a17400139dcd4fe986b98b57 Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Sun, 26 Aug 2018 08:40:35 +0100
Subject: [PATCH] avoid potencial null refs

---
 OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs b/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
index 79f495290a..2819bc9daf 100644
--- a/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
+++ b/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
@@ -637,11 +637,11 @@ namespace OpenSim.Framework.Servers.HttpServer
             {
                 try
                 {
+                    if(request.InputStream != null && request.InputStream.CanRead) 
+                        request.InputStream.Close();
                     byte[] buffer500 = SendHTML500(response);
                     response.OutputStream.Write(buffer500, 0, buffer500.Length);
                     response.Send();
-                    if(request.InputStream.CanRead) 
-                        request.InputStream.Close();
                 }
                 catch
                 {
@@ -829,7 +829,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                     }
                 }
 
-                if(request.InputStream.CanRead)
+                if(request.InputStream != null && request.InputStream.CanRead)
                     request.InputStream.Dispose();
 
                 if (buffer != null)
@@ -894,7 +894,7 @@ namespace OpenSim.Framework.Servers.HttpServer
             }
             finally
             {
-                if(request.InputStream.CanRead)
+                if(request.InputStream != null && request.InputStream.CanRead)
                     request.InputStream.Close();
 
                 // Every month or so this will wrap and give bad numbers, not really a problem