[cgutman] 56051: [NEWCC] - Check that the memory area is not being deleted before using it

Author: cgutman
Date: Mon Mar  5 19:48:24 2012
New Revision: 56051

URL: http://svn.reactos.org/svn/reactos?rev=56051&view=rev
Log:
[NEWCC]
- Check that the memory area is not being deleted before using it

Modified:
    trunk/reactos/ntoskrnl/cache/section/data.c

Modified: trunk/reactos/ntoskrnl/cache/section/data.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cache/section/data...
==============================================================================
--- trunk/reactos/ntoskrnl/cache/section/data.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cache/section/data.c [iso-8859-1] Mon Mar  5 19:48:24 2012
@@ -113,7 +113,7 @@
    MmLockAddressSpace(AddressSpace);
    MemoryArea = MmLocateMemoryAreaByAddress(AddressSpace, Address);
    MmUnlockAddressSpace(AddressSpace);
-	if (!MemoryArea || MemoryArea->Type != MEMORY_AREA_SECTION_VIEW) 
+	if (!MemoryArea || MemoryArea->Type != MEMORY_AREA_SECTION_VIEW || MemoryArea->DeleteInProgress) 
    {
    	return STATUS_NOT_MAPPED_DATA;
    }
@@ -188,7 +188,7 @@

MmLockAddressSpace(AddressSpace);
    MemoryArea = MmLocateMemoryAreaByAddress(AddressSpace, BaseAddress);
-	if (!MemoryArea || MemoryArea->Type != MEMORY_AREA_CACHE) 
+	if (!MemoryArea || MemoryArea->Type != MEMORY_AREA_CACHE || MemoryArea->DeleteInProgress) 
    {
    	MmUnlockAddressSpace(AddressSpace);
    	DPRINT("STATUS_NOT_MAPPED_DATA\n");
@@ -698,7 +698,7 @@
    PMM_SECTION_SEGMENT Segment;

MemoryArea = MmLocateMemoryAreaByAddress(AddressSpace, BaseAddress);
-   if (MemoryArea == NULL)
+   if (MemoryArea == NULL || MemoryArea->DeleteInProgress)
    {
      ASSERT(MemoryArea);
       return(STATUS_UNSUCCESSFUL);