From 0eb260e7ea5aeb972be4b8e5c73e04d6c901f81f Mon Sep 17 00:00:00 2001
From: Sir Richard <sir_richard@svn.reactos.org>
Date: Fri, 19 Feb 2010 18:23:07 +0000
Subject: [PATCH] [NTOS]: Fix an off-by-! error which caused MDL page
 allocation to use used pages instead of free pages.

svn path=/trunk/; revision=45623
---
 reactos/ntoskrnl/mm/freelist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/mm/freelist.c b/reactos/ntoskrnl/mm/freelist.c
index 4dd1c7c7245..4eec29d95ca 100644
--- a/reactos/ntoskrnl/mm/freelist.c
+++ b/reactos/ntoskrnl/mm/freelist.c
@@ -516,7 +516,7 @@ MiAllocatePagesForMdl(IN PHYSICAL_ADDRESS LowAddress,
                 //
                 // Make sure it's free and if this is our first pass, zeroed
                 //
-                if (!MiIsPfnInUse(Pfn1)) continue;
+                if (MiIsPfnInUse(Pfn1)) continue;
                 if ((Pfn1->u3.e1.PageLocation == ZeroedPageList) != LookForZeroedPages) continue;
                 
                 //
-- 
2.17.1