[mbosma] 21597: Commit Patch from Bug 1360

Author: mbosma
Date: Sat Apr 15 16:08:32 2006
New Revision: 21597

URL: http://svn.reactos.ru/svn/reactos?rev=21597&view=rev
Log:
Commit Patch from Bug 1360

Modified:
    branches/cache_manager_rewrite/reactos/ntoskrnl/mm/section.c

Modified: branches/cache_manager_rewrite/reactos/ntoskrnl/mm/section.c
URL:
http://svn.reactos.ru/svn/reactos/branches/cache_manager_rewrite/reactos/nt…
==============================================================================
--- branches/cache_manager_rewrite/reactos/ntoskrnl/mm/section.c (original)
+++ branches/cache_manager_rewrite/reactos/ntoskrnl/mm/section.c Sat Apr 15 16:08:32 2006
@@ -353,7 +353,9 @@
                      KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE,
NULL);
                      Status = Iosb.Status;
                   }
-                  MmUnmapLockedPages(Mdl->MappedSystemVa, Mdl);            
+
+                  if (Mdl->MdlFlags & MDL_MAPPED_TO_SYSTEM_VA)
+                     MmUnmapLockedPages(Mdl->MappedSystemVa, Mdl);
                }
                MmReleasePageMemoryConsumer(MC_USER, PFN_FROM_SSE(Entry));
             }