don't dereference potentially NULL m_sock in Disconnect()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45156 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/sckipc.cpp b/src/common/sckipc.cpp
index 3b03e2de76f10366f6e442e261e19f3e6a0db596..9922b0d04c001bb706b8fd517370cc2a352d19d4 100644 (file)
--- a/src/common/sckipc.cpp
+++ b/src/common/sckipc.cpp
@@ -381,8 +381,13 @@ bool wxTCPConnection::Disconnect ()
       return true;
   // Send the the disconnect message to the peer.
   m_codeco->Write8(IPC_DISCONNECT);
       return true;
   // Send the the disconnect message to the peer.
   m_codeco->Write8(IPC_DISCONNECT);

-  m_sock->Notify(false);
-  m_sock->Close();
+
+  if ( m_sock )
+  {
+      m_sock->Notify(false);
+      m_sock->Close();
+  }
+

   SetConnected(false);
 
   return true;
   SetConnected(false);
 
   return true;