From 1c15cfffb4ec7d9a6e3053086fb8495a185f6a69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Gardou?= <jerome.gardou@reactos.org>
Date: Tue, 21 Feb 2012 21:36:01 +0000
Subject: [PATCH] [CRT]  - Check for NULL before freeing

svn path=/trunk/; revision=55794
---
 reactos/lib/sdk/crt/stdio/file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/reactos/lib/sdk/crt/stdio/file.c b/reactos/lib/sdk/crt/stdio/file.c
index e3e4e2cd4de..7696a78ef00 100644
--- a/reactos/lib/sdk/crt/stdio/file.c
+++ b/reactos/lib/sdk/crt/stdio/file.c
@@ -963,10 +963,10 @@ void msvcrt_free_io(void)
     fclose(&_iob[2]);
 
     for(i=0; i<sizeof(__pioinfo)/sizeof(__pioinfo[0]); i++)
-            free(__pioinfo[i]);
+        if(__pioinfo[i]) free(__pioinfo[i]);
 
     for(i=0; i<sizeof(fstream)/sizeof(fstream[0]); i++)
-            free(fstream[i]);
+        if(fstream[i]) free(fstream[i]);
 
     file_cs.DebugInfo->Spare[0] = 0;
     DeleteCriticalSection(&file_cs);