[dgorbachev] 26117: Fix bugs #2049 and #2084 (thanks to Peter Krawies)

Author: dgorbachev
Date: Fri Mar 16 19:54:34 2007
New Revision: 26117

URL: http://svn.reactos.org/svn/reactos?rev=26117&view=rev
Log:
Fix bugs #2049 and #2084 (thanks to Peter Krawies)

Modified:
    trunk/reactos/boot/freeldr/freeldr/include/video.h
    trunk/reactos/ntoskrnl/mm/section.c

Modified: trunk/reactos/boot/freeldr/freeldr/include/video.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/includ...
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/include/video.h (original)
+++ trunk/reactos/boot/freeldr/freeldr/include/video.h Fri Mar 16 19:54:34 2007
@@ -29,7 +29,7 @@

extern	PVOID	VideoOffScreenBuffer;

-USHORT		BiosIsVesaSupported(VOID);						// Implemented in i386vid.S, returns the VESA version
+USHORT		BiosIsVesaSupported(VOID);						// Implemented in i386vid.c, returns the VESA version

PVOID	VideoAllocateOffScreenBuffer(VOID);				// Returns a pointer to an off-screen buffer sufficient for the current video mode

Modified: trunk/reactos/ntoskrnl/mm/section.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/section.c?rev=2...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/section.c (original)
+++ trunk/reactos/ntoskrnl/mm/section.c Fri Mar 16 19:54:34 2007
@@ -3716,7 +3716,7 @@
        if(SectionOffset != NULL)
        {
          ProbeForWriteLargeInteger(SectionOffset);
-         SafeSectionOffset = *SectionOffset;
+         SafeSectionOffset.QuadPart = PAGE_ROUND_DOWN(SectionOffset->QuadPart);
        }
        ProbeForWriteSize_t(ViewSize);
        SafeViewSize = *ViewSize;
@@ -3735,7 +3735,8 @@
    else
    {
      SafeBaseAddress = (BaseAddress != NULL ? *BaseAddress : NULL);
-     SafeSectionOffset.QuadPart = (SectionOffset != NULL ? SectionOffset->QuadPart : 0);
+     SafeSectionOffset.QuadPart =
+          (SectionOffset != NULL ? PAGE_ROUND_DOWN(SectionOffset->QuadPart) : 0);
      SafeViewSize = (ViewSize != NULL ? *ViewSize : 0);
    }