From 6b358143c0f57f5fb93c14719cc798bfd586c00a Mon Sep 17 00:00:00 2001
From: Raj Bhattacharjea <raj.b@gatech.edu>
Date: Mon, 27 Oct 2008 15:12:00 -0400
Subject: [PATCH] Bug 340

---
 src/applications/onoff/onoff-application.cc | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/applications/onoff/onoff-application.cc b/src/applications/onoff/onoff-application.cc
index 11f2f4a4b..664d43e82 100644
--- a/src/applications/onoff/onoff-application.cc
+++ b/src/applications/onoff/onoff-application.cc
@@ -147,7 +147,14 @@ void OnOffApplication::StopApplication() // Called at time specified by Stop
   NS_LOG_FUNCTION_NOARGS ();
 
   CancelEvents ();
-  m_socket->Close ();
+  if(m_socket != 0)
+    {
+      m_socket->Close ();
+    }
+  else
+    {
+      NS_LOG_WARN("OnOffApplication found null socket to close in StopApplication");
+    }
 }
 
 void OnOffApplication::CancelEvents ()