From 90f67cd5efbce66be4a361cab035c883624867cb Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Tue, 29 Mar 2016 18:53:58 +0200
Subject: [PATCH] Fix crash of simulator if directory does not exist.

---
 radio/src/targets/simu/simpgmspace.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/radio/src/targets/simu/simpgmspace.cpp b/radio/src/targets/simu/simpgmspace.cpp
index 2c930e562..a8fee3ef4 100644
--- a/radio/src/targets/simu/simpgmspace.cpp
+++ b/radio/src/targets/simu/simpgmspace.cpp
@@ -880,7 +880,7 @@ FRESULT f_opendir (DIR * rep, const TCHAR * name)
 FRESULT f_closedir (DIR * rep)
 {
   TRACE("f_closedir(%p)", rep);
-  simu::closedir((simu::DIR *)rep->fs);
+  if (rep->fs) simu::closedir((simu::DIR *)rep->fs);
   return FR_OK;
 }