From d3a5bca37ff52d8117af6e484dd475b707247fb6 Mon Sep 17 00:00:00 2001
From: Aleksey Bragin <aleksey@reactos.org>
Date: Fri, 26 Dec 2008 20:21:52 +0000
Subject: [PATCH] - Don't try to set remaining bits if there are none. Fixes
 memory corruption.

Patch sent to Wine: http://www.winehq.org/pipermail/wine-patches/2008-December/066716.html

svn path=/trunk/; revision=38359
---
 reactos/lib/rtl/bitmap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/reactos/lib/rtl/bitmap.c b/reactos/lib/rtl/bitmap.c
index f2a1f42bd0c..69f06875ae4 100644
--- a/reactos/lib/rtl/bitmap.c
+++ b/reactos/lib/rtl/bitmap.c
@@ -851,7 +851,8 @@ RtlSetBits(PRTL_BITMAP BitMapHeader,
   }
 
   /* Set remaining bits, if any */
-  *lpOut |= NTDLL_maskBits[NumberToSet & 0x7];
+  if (NumberToSet & 0x7)
+    *lpOut |= NTDLL_maskBits[NumberToSet & 0x7];
 }