From: Torsten Dreyer <Torsten@t3r.de>
Date: Fri, 6 Aug 2010 06:44:34 +0000 (+0200)
Subject: Fix segfault on invalid command line arguments
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=1aa484aee5af0dcd89fcc5be9248f9d59363b3c0;p=flightgear.git

Fix segfault on invalid command line arguments

If FlightGear terminated before the FDM was instantiated it crashed.
---

diff --git a/src/FDM/fdm_shell.cxx b/src/FDM/fdm_shell.cxx
index bec319c09..a4cfad309 100644
--- a/src/FDM/fdm_shell.cxx
+++ b/src/FDM/fdm_shell.cxx
@@ -98,7 +98,7 @@ void FDMShell::bind()
 
 void FDMShell::unbind()
 {
-  _impl->unbind();
+  if( _impl ) _impl->unbind();
 }
 
 void FDMShell::update(double dt)