[NTOSKRNL]

- Fix 2 broken failure cases (forgot to detach from process and/or forgot to dereference process)

svn path=/trunk/; revision=54389

reactos/ntoskrnl/mm/anonmem.c

@@ -683,6 +683,7 @@ NtAllocateVirtualMemory(IN HANDLE ProcessHandle,
         {
             /* Fail without it */
             DPRINT1("Privilege not held for MEM_LARGE_PAGES\n");
+            if (Attached) KeUnstackDetachProcess(&ApcState);
             if (ProcessHandle != NtCurrentProcess()) ObDereferenceObject(Process);
             return STATUS_PRIVILEGE_NOT_HELD;
         }
@@ -701,6 +702,8 @@ NtAllocateVirtualMemory(IN HANDLE ProcessHandle,
             (Protect & (PAGE_WRITECOPY | PAGE_EXECUTE_WRITECOPY)))
     {
         DPRINT1("Copy on write is not supported by VirtualAlloc\n");
+        if (Attached) KeUnstackDetachProcess(&ApcState);
+        if (ProcessHandle != NtCurrentProcess()) ObDereferenceObject(Process);
         return STATUS_INVALID_PAGE_PROTECTION;
     }