[ros-dev] ASSERT_IRQL and unrelated mm/mdl.c

[art yerkes]

> Unrelated, please take a look at the following patch, anyone who's cozy
> with the mm. 

Sorry forgot the attachment.
-- 
Hey, Adam Smith, keep your invisible hands to yourself!
-------------- next part --------------
? irql_ntoskrnl/mm/section.x
Index: irql_ntoskrnl/mm/mdl.c
===================================================================
RCS file: /CVS/ReactOS/reactos/ntoskrnl/mm/mdl.c,v
retrieving revision 1.68
diff -u -r1.68 mdl.c
--- irql_ntoskrnl/mm/mdl.c	15 Aug 2004 16:39:07 -0000	1.68
+++ irql_ntoskrnl/mm/mdl.c	29 Sep 2004 03:23:24 -0000
@@ -386,7 +386,7 @@
 
    if ((DWORD)BaseAddress >= KERNEL_BASE)
    {
       assert(Mdl->MdlFlags & MDL_MAPPED_TO_SYSTEM_VA);
       
       KeAcquireSpinLock(&MiMdlMappingRegionLock, &oldIrql);
       /* Deallocate all the pages used. */
@@ -562,7 +562,9 @@
        
       if (!MmIsPagePresent(NULL, Address))
       {
+	 MmUnlockAddressSpace(&CurrentProcess->AddressSpace);
          Status = MmNotPresentFault(Mode, (ULONG)Address, TRUE);
+	 MmLockAddressSpace(&CurrentProcess->AddressSpace);
          if (!NT_SUCCESS(Status))
          {
             for (j = 0; j < i; j++)
@@ -571,6 +574,7 @@
                MmUnlockPage(Page);
                MmDereferencePage(Page);
             }
+	    MmUnlockAddressSpace(&CurrentProcess->AddressSpace);
             ExRaiseStatus(Status);
          }
       }
@@ -582,7 +586,9 @@
       if ((Operation == IoWriteAccess || Operation == IoModifyAccess) &&
           (!(MmGetPageProtect(NULL, (PVOID)Address) & PAGE_READWRITE)))
       {
+	 MmUnlockAddressSpace(&CurrentProcess->AddressSpace);
          Status = MmAccessFault(Mode, (ULONG)Address, TRUE);
+	 MmLockAddressSpace(&CurrentProcess->AddressSpace);
          if (!NT_SUCCESS(Status))
          {
             for (j = 0; j < i; j++)
@@ -591,6 +597,7 @@
                MmUnlockPage(Page);
                MmDereferencePage(Page);
             }
+	    MmUnlockAddressSpace(&CurrentProcess->AddressSpace);
             ExRaiseStatus(Status);
          }
       }