From 841ace6796ab03c5e7c3b3d1241615dc12224c1e Mon Sep 17 00:00:00 2001
From: Vizzini <vizzini@plasmic.com>
Date: Sun, 20 Jun 2004 02:10:07 +0000
Subject: [PATCH] backed out bugified patch

svn path=/trunk/; revision=9736
---
 reactos/ntoskrnl/cc/copy.c | 29 ++++++-----------------------
 1 file changed, 6 insertions(+), 23 deletions(-)

diff --git a/reactos/ntoskrnl/cc/copy.c b/reactos/ntoskrnl/cc/copy.c
index e501682fd25..e8d7e581993 100644
--- a/reactos/ntoskrnl/cc/copy.c
+++ b/reactos/ntoskrnl/cc/copy.c
@@ -1,4 +1,4 @@
-/* $Id: copy.c,v 1.25 2004/06/19 08:53:35 vizzini Exp $
+/* $Id: copy.c,v 1.26 2004/06/20 02:10:07 vizzini Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -139,12 +139,7 @@ ReadCacheSegmentChain(PBCB Bcb, ULONG ReadOffset, ULONG Length,
 	  /*
 	   * Create an MDL which contains all their pages.
 	   */
-	  Mdl = MmCreateMdl(NULL, NULL, current_size);
-	  if(Mdl == NULL) {
-		DPRINT("MmCreateMdl: Out of memory!");
-		return(STATUS_NO_MEMORY);
-	  }
-
+          MmInitializeMdl(Mdl, NULL, current_size);
 	  Mdl->MdlFlags |= (MDL_PAGES_LOCKED | MDL_IO_PAGE_READ);
 	  current2 = current;
 	  offset = 0;
@@ -227,14 +222,8 @@ ReadCacheSegment(PCACHE_SEGMENT CacheSeg)
     {
       Size = CacheSeg->Bcb->CacheSegmentSize;
     }
-
-  Mdl = MmCreateMdl(NULL, CacheSeg->BaseAddress, Size);
-  if(Mdl == NULL) 
-    {
-      DPRINT("MmCreateMdl: Out of memory!");
-      return(STATUS_NO_MEMORY);
-    }  
-
+  Mdl = alloca(MmSizeOfMdl(CacheSeg->BaseAddress, Size));
+  MmInitializeMdl(Mdl, CacheSeg->BaseAddress, Size);
   MmBuildMdlForNonPagedPool(Mdl);
   Mdl->MdlFlags |= MDL_IO_PAGE_READ;
   KeInitializeEvent(&Event, NotificationEvent, FALSE);
@@ -275,14 +264,8 @@ WriteCacheSegment(PCACHE_SEGMENT CacheSeg)
     {
       Size = CacheSeg->Bcb->CacheSegmentSize;
     }
-
-  Mdl = MmCreateMdl(NULL, CacheSeg->BaseAddress, Size);
-  if(Mdl == NULL) 
-    {
-      DPRINT("MmCreateMdl: Out of memory!");
-      return(STATUS_NO_MEMORY);
-    }  
-
+  Mdl = alloca(MmSizeOfMdl(CacheSeg->BaseAddress, Size));
+  MmInitializeMdl(Mdl, CacheSeg->BaseAddress, Size);
   MmBuildMdlForNonPagedPool(Mdl);
   Mdl->MdlFlags |= MDL_IO_PAGE_READ;
   KeInitializeEvent(&Event, NotificationEvent, FALSE);