[weiden] 13720: added more irql checks

added more irql checks
Modified: trunk/reactos/ntoskrnl/ex/callback.c
Modified: trunk/reactos/ntoskrnl/ex/event.c
Modified: trunk/reactos/ntoskrnl/ex/evtpair.c
Modified: trunk/reactos/ntoskrnl/ex/mutant.c
Modified: trunk/reactos/ntoskrnl/ex/profile.c
Modified: trunk/reactos/ntoskrnl/ex/rundown.c
Modified: trunk/reactos/ntoskrnl/ex/sem.c
Modified: trunk/reactos/ntoskrnl/ex/sysinfo.c
Modified: trunk/reactos/ntoskrnl/ex/time.c
Modified: trunk/reactos/ntoskrnl/ex/timer.c
Modified: trunk/reactos/ntoskrnl/ex/uuid.c
Modified: trunk/reactos/ntoskrnl/rtl/capture.c
  _____

Modified: trunk/reactos/ntoskrnl/ex/callback.c
--- trunk/reactos/ntoskrnl/ex/callback.c	2005-02-22 22:08:04 UTC
(rev 13719)
+++ trunk/reactos/ntoskrnl/ex/callback.c	2005-02-22 22:19:14 UTC
(rev 13720)
@@ -171,6 +171,8 @@

PINT_CALLBACK_OBJECT Callback;
    NTSTATUS    Status;
    HANDLE     Handle;
+   
+   PAGED_CODE();

/* Open a handle to the callback if it exists */
    if (ObjectAttributes->ObjectName)
@@ -346,6 +348,8 @@
    PINT_CALLBACK_OBJECT CallbackObject =
(PINT_CALLBACK_OBJECT)OpaqueCallbackObject;
    PCALLBACK_REGISTRATION  CallbackRegistration = NULL;
    KIRQL     OldIrql;
+   
+   PAGED_CODE();

/* Create reference to Callback Object */
    ObReferenceObject (CallbackObject);
@@ -411,6 +415,8 @@
    PCALLBACK_REGISTRATION  CallbackRegistration;
    PINT_CALLBACK_OBJECT    CallbackObject;
    KIRQL                   OldIrql;
+   
+   PAGED_CODE();

/* Convert Handle to valid Structure Pointer */
    CallbackRegistration = (PCALLBACK_REGISTRATION)
CallbackRegistrationHandle;
  _____

Modified: trunk/reactos/ntoskrnl/ex/event.c
--- trunk/reactos/ntoskrnl/ex/event.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/event.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -88,6 +88,8 @@

PKEVENT Event;
    NTSTATUS Status;

+   PAGED_CODE();
+   
    Status = ObReferenceObjectByHandle(EventHandle,
    			      EVENT_MODIFY_STATE,
    			      ExEventObjectType,
@@ -118,6 +120,8 @@
    PKEVENT Event;
    HANDLE hEvent;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -195,6 +199,8 @@
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;

+   PAGED_CODE();
+   
    DPRINT("NtOpenEvent(0x%x, 0x%x, 0x%x)\n", EventHandle,
DesiredAccess, ObjectAttributes);

PreviousMode = ExGetPreviousMode();
@@ -254,6 +260,8 @@
    PKEVENT Event;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

DPRINT("NtPulseEvent(EventHandle 0%x PreviousState 0%x)\n",
      EventHandle, PreviousState);
@@ -322,6 +330,8 @@
    PKEVENT Event;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -395,6 +405,8 @@
    PKEVENT Event;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

DPRINT("NtResetEvent(EventHandle 0%x PreviousState 0%x)\n",
      EventHandle, PreviousState);
@@ -460,6 +472,8 @@
    PKEVENT Event;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

DPRINT("NtSetEvent(EventHandle 0%x PreviousState 0%x)\n",
      EventHandle, PreviousState);
  _____

Modified: trunk/reactos/ntoskrnl/ex/evtpair.c
--- trunk/reactos/ntoskrnl/ex/evtpair.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/evtpair.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -95,6 +95,8 @@

KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;

+   PAGED_CODE();
+   
    PreviousMode = ExGetPreviousMode();

if(PreviousMode == UserMode)
@@ -168,6 +170,8 @@
    HANDLE hEventPair;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -221,6 +225,8 @@
    PKEVENT_PAIR EventPair;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status;
+   
+   PAGED_CODE();

DPRINT("NtSetHighEventPair(EventPairHandle %x)\n",
      EventPairHandle);
@@ -252,6 +258,8 @@
    PKEVENT_PAIR EventPair;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status;
+   
+   PAGED_CODE();

DPRINT("NtSetHighWaitLowEventPair(EventPairHandle %x)\n",
      EventPairHandle);
@@ -289,6 +297,8 @@
    PKEVENT_PAIR EventPair;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status;
+   
+   PAGED_CODE();

DPRINT("NtSetLowEventPair(EventPairHandle %x)\n",
      EventPairHandle);
@@ -320,6 +330,8 @@
    PKEVENT_PAIR EventPair;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status;
+   
+   PAGED_CODE();

DPRINT("NtSetLowWaitHighEventPair(EventPairHandle %x)\n",
      EventPairHandle);
@@ -357,6 +369,8 @@
    PKEVENT_PAIR EventPair;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status;
+   
+   PAGED_CODE();

DPRINT("NtWaitLowEventPair(EventPairHandle %x)\n",
      EventPairHandle);
@@ -390,6 +404,8 @@
    PKEVENT_PAIR EventPair;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status;
+   
+   PAGED_CODE();

DPRINT("NtWaitHighEventPair(EventPairHandle %x)\n",
      EventPairHandle);
@@ -436,6 +452,8 @@
    NTSTATUS Status;
    KIRQL Irql;
    
+	PAGED_CODE();
+	
    PreviousMode = ExGetPreviousMode();

if(!Thread->EventPair)
@@ -489,6 +507,8 @@
    PKEVENT_PAIR EventPair;
    NTSTATUS Status;
    KIRQL Irql;
+	
+	PAGED_CODE();

Thread = PsGetCurrentThread();

_____

Modified: trunk/reactos/ntoskrnl/ex/mutant.c
--- trunk/reactos/ntoskrnl/ex/mutant.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/mutant.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -104,27 +104,29 @@

PKMUTEX Mutant;
   NTSTATUS Status = STATUS_SUCCESS;

-   PreviousMode = ExGetPreviousMode();
+  PAGED_CODE();
+  
+  PreviousMode = ExGetPreviousMode();

-   if(PreviousMode == UserMode)
-   {
-     _SEH_TRY
-     {
-       ProbeForWrite(MutantHandle,
-                     sizeof(HANDLE),
-                     sizeof(ULONG));
-     }
-     _SEH_HANDLE
-     {
-       Status = _SEH_GetExceptionCode();
-     }
-     _SEH_END;
+  if(PreviousMode == UserMode)
+  {
+    _SEH_TRY
+    {
+      ProbeForWrite(MutantHandle,
+                    sizeof(HANDLE),
+                    sizeof(ULONG));
+    }
+    _SEH_HANDLE
+    {
+      Status = _SEH_GetExceptionCode();
+    }
+    _SEH_END;

-     if(!NT_SUCCESS(Status))
-     {
-       return Status;
-     }
-   }
+    if(!NT_SUCCESS(Status))
+    {
+      return Status;
+    }
+  }

Status = ObCreateObject(PreviousMode,
    		  ExMutantObjectType,
@@ -177,6 +179,8 @@
   HANDLE hMutant;
   KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status = STATUS_SUCCESS;
+  
+  PAGED_CODE();

DPRINT("NtOpenMutant(0x%x, 0x%x, 0x%x)\n", MutantHandle,
DesiredAccess, ObjectAttributes);

@@ -240,6 +244,8 @@
    PKMUTANT Mutant;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -311,6 +317,8 @@
    PKMUTANT Mutant;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

DPRINT("NtReleaseMutant(MutantHandle 0%x PreviousCount 0%x)\n",
      MutantHandle, PreviousCount);
  _____

Modified: trunk/reactos/ntoskrnl/ex/profile.c
--- trunk/reactos/ntoskrnl/ex/profile.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/profile.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -109,6 +109,8 @@

OBJECT_ATTRIBUTES ObjectAttributes;
   NTSTATUS Status = STATUS_SUCCESS;

+  PAGED_CODE();
+  
   PreviousMode = ExGetPreviousMode();

if(BufferSize == 0)
@@ -271,6 +273,8 @@
   KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status = STATUS_SUCCESS;

+  PAGED_CODE();
+  
   PreviousMode = ExGetPreviousMode();

if(PreviousMode != KernelMode)
@@ -329,6 +333,8 @@
   KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status;

+  PAGED_CODE();
+  
   PreviousMode = ExGetPreviousMode();

Status = ObReferenceObjectByHandle(ProfileHandle,
@@ -353,6 +359,8 @@
   KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status;

+  PAGED_CODE();
+  
   PreviousMode = ExGetPreviousMode();

Status = ObReferenceObjectByHandle(ProfileHandle,
  _____

Modified: trunk/reactos/ntoskrnl/ex/rundown.c
--- trunk/reactos/ntoskrnl/ex/rundown.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/rundown.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -41,6 +41,8 @@

{
     ULONG_PTR PrevCount, Current;

+    PAGED_CODE();
+    
     Count <<= EX_RUNDOWN_COUNT_SHIFT;

/* Loop until successfully incremented the counter */
@@ -74,6 +76,8 @@
     IN PEX_RUNDOWN_REF RunRef
     )
 {
+    PAGED_CODE();
+    
     /* Set the count to zero */
     RunRef->Count = 0;
 }
@@ -87,6 +91,8 @@
     IN PEX_RUNDOWN_REF RunRef
     )
 {
+    PAGED_CODE();
+    
     /* Reset the count */
 #ifdef _WIN64
     InterlockedExchangeAdd64((LONGLONG*)&RunRef->Count, 0LL);
@@ -106,6 +112,8 @@
     IN ULONG Count
     )
 {
+    PAGED_CODE();
+
     Count <<= EX_RUNDOWN_COUNT_SHIFT;

for (;;)
@@ -200,7 +208,9 @@
     IN PEX_RUNDOWN_REF RunRef
     )
 {
-    /* mark the  */
+    PAGED_CODE();
+    
+    /* mark the counter as active */
 #ifdef _WIN64
     InterlockedExchange64((LONGLONG*)&RunRef->Count,
(LONGLONG)EX_RUNDOWN_ACTIVE);
 #else
@@ -220,6 +230,8 @@
     ULONG_PTR PrevCount, NewPtr, PrevPtr;
     RUNDOWN_DESCRIPTOR RundownDescriptor;

+    PAGED_CODE();
+    
     PrevCount = RunRef->Count;

if (PrevCount != 0 && !(PrevCount & EX_RUNDOWN_ACTIVE))
  _____

Modified: trunk/reactos/ntoskrnl/ex/sem.c
--- trunk/reactos/ntoskrnl/ex/sem.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/sem.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -91,6 +91,8 @@

HANDLE hSemaphore;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -167,6 +169,8 @@
    HANDLE hSemaphore;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -227,6 +231,8 @@
    PKSEMAPHORE Semaphore;
    KPROCESSOR_MODE PreviousMode;
    NTSTATUS Status = STATUS_SUCCESS;
+   
+   PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -299,6 +305,8 @@
    PKSEMAPHORE Semaphore;
    NTSTATUS Status = STATUS_SUCCESS;

+   PAGED_CODE();
+   
    PreviousMode = ExGetPreviousMode();

if(PreviousCount != NULL && PreviousMode == UserMode)
  _____

Modified: trunk/reactos/ntoskrnl/ex/sysinfo.c
--- trunk/reactos/ntoskrnl/ex/sysinfo.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/sysinfo.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -101,6 +101,8 @@

KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status = STATUS_SUCCESS;

+  PAGED_CODE();
+  
   PreviousMode = ExGetPreviousMode();

if(PreviousMode != KernelMode)
@@ -245,6 +247,8 @@
   ANSI_STRING AName, AValue;
   KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status;
+  
+  PAGED_CODE();

PreviousMode = ExGetPreviousMode();

@@ -1371,6 +1375,8 @@
   PVOID SystemInformation;
   NTSTATUS Status;
   NTSTATUS FStatus;
+  
+  PAGED_CODE();

/*	DPRINT("NtQuerySystemInformation Start. Class:%d\n",
    				SystemInformationClass );
@@ -1448,6 +1454,8 @@
    IN	ULONG				SystemInformationLength
    )
 {
+        PAGED_CODE();
+        
    /*
     * If called from user mode, check 
     * possible unsafe arguments.
@@ -1496,6 +1504,8 @@
    IN	UINT	NumberOfBytesToFlush
    )
 {
+        PAGED_CODE();
+        
    __asm__("wbinvd\n");
    return STATUS_SUCCESS;
 }
  _____

Modified: trunk/reactos/ntoskrnl/ex/time.c
--- trunk/reactos/ntoskrnl/ex/time.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/time.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -151,6 +151,8 @@

KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status = STATUS_SUCCESS;

+  PAGED_CODE();
+  
   PreviousMode = ExGetPreviousMode();

if(PreviousMode != KernelMode)
@@ -233,6 +235,8 @@
 {
   KPROCESSOR_MODE PreviousMode;
   NTSTATUS Status = STATUS_SUCCESS;
+  
+  PAGED_CODE();

PreviousMode = ExGetPreviousMode();

_____

Modified: trunk/reactos/ntoskrnl/ex/timer.c
--- trunk/reactos/ntoskrnl/ex/timer.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/timer.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -209,12 +209,16 @@

OUT PBOOLEAN CurrentState OPTIONAL)
 {
     PETIMER Timer;
-    KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
-    NTSTATUS Status = STATUS_SUCCESS;
+    KPROCESSOR_MODE PreviousMode;
     BOOLEAN State;
     KIRQL OldIrql;
+    PETHREAD TimerThread;
     BOOLEAN KillTimer = FALSE;
-    PETHREAD TimerThread;
+    NTSTATUS Status = STATUS_SUCCESS;
+    
+    PAGED_CODE();
+    
+    PreviousMode = ExGetPreviousMode();

DPRINT("NtCancelTimer(0x%x, 0x%x)\n", TimerHandle, CurrentState);

@@ -319,8 +323,12 @@
 {
     PETIMER Timer;
     HANDLE hTimer;
-    KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
+    KPROCESSOR_MODE PreviousMode;
     NTSTATUS Status = STATUS_SUCCESS;
+    
+    PAGED_CODE();
+    
+    PreviousMode = ExGetPreviousMode();

DPRINT("NtCreateTimer(Handle: %x, Type: %d)\n", TimerHandle,
TimerType);

@@ -398,8 +406,12 @@
             IN POBJECT_ATTRIBUTES ObjectAttributes)
 {
     HANDLE hTimer;
-    KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
+    KPROCESSOR_MODE PreviousMode;
     NTSTATUS Status = STATUS_SUCCESS;
+    
+    PAGED_CODE();
+    
+    PreviousMode = ExGetPreviousMode();

DPRINT("NtOpenTimer(TimerHandle: %x)\n", TimerHandle);

@@ -452,9 +464,13 @@
              OUT PULONG ReturnLength  OPTIONAL)
 {
     PETIMER Timer;
-    KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
+    KPROCESSOR_MODE PreviousMode;
     NTSTATUS Status = STATUS_SUCCESS;
     PTIMER_BASIC_INFORMATION BasicInfo =
(PTIMER_BASIC_INFORMATION)TimerInformation;
+    
+    PAGED_CODE();
+    
+    PreviousMode = ExGetPreviousMode();

DPRINT("NtQueryTimer(TimerHandle: %x, Class: %d)\n", TimerHandle,
TimerInformationClass);

@@ -522,13 +538,18 @@
 {
     PETIMER Timer;
     KIRQL OldIrql;
-    BOOLEAN KillTimer = FALSE;
     BOOLEAN State;
-    KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
-    PETHREAD CurrentThread = PsGetCurrentThread();
-    NTSTATUS Status = STATUS_SUCCESS;
+    KPROCESSOR_MODE PreviousMode;
+    PETHREAD CurrentThread;
     LARGE_INTEGER TimerDueTime;
     PETHREAD TimerThread;
+    BOOLEAN KillTimer = FALSE;
+    NTSTATUS Status = STATUS_SUCCESS;
+    
+    PAGED_CODE();
+    
+    PreviousMode = ExGetPreviousMode();
+    CurrentThread = PsGetCurrentThread();

DPRINT("NtSetTimer(TimerHandle: %x, DueTime: %d, Apc: %x, Period:
%d)\n", TimerHandle, DueTime->QuadPart, TimerApcRoutine, Period);

_____

Modified: trunk/reactos/ntoskrnl/ex/uuid.c
--- trunk/reactos/ntoskrnl/ex/uuid.c	2005-02-22 22:08:04 UTC (rev
13719)
+++ trunk/reactos/ntoskrnl/ex/uuid.c	2005-02-22 22:19:14 UTC (rev
13720)
@@ -223,6 +223,8 @@

ULARGE_INTEGER IntTime;
   ULONG IntRange;
   NTSTATUS Status;
+  
+  PAGED_CODE();

ExAcquireFastMutex(&UuidMutex);

@@ -278,6 +280,8 @@
 NTSTATUS STDCALL
 NtSetUuidSeed(IN PUCHAR Seed)
 {
+  PAGED_CODE();
+  
   RtlCopyMemory(UuidSeed,
                 Seed,
                 SEED_BUFFER_SIZE);
  _____

Modified: trunk/reactos/ntoskrnl/rtl/capture.c
--- trunk/reactos/ntoskrnl/rtl/capture.c	2005-02-22 22:08:04 UTC
(rev 13719)
+++ trunk/reactos/ntoskrnl/rtl/capture.c	2005-02-22 22:19:14 UTC
(rev 13720)
@@ -125,46 +125,6 @@

}
 }

-NTSTATUS
-RtlCaptureAnsiString(PANSI_STRING Dest,
-		     PANSI_STRING UnsafeSrc)
-{
-  PANSI_STRING Src; 
-  NTSTATUS Status;
-  
-  /*
-   * Copy the source string structure to kernel space.
-   */
-  Status = MmCopyFromCaller(&Src, UnsafeSrc, sizeof(ANSI_STRING));
-  if (!NT_SUCCESS(Status))
-    {
-      return(Status);
-    }
-
-  /*
-   * Initialize the destination string.
-   */
-  Dest->Length = Src->Length;
-  Dest->MaximumLength = Src->MaximumLength;
-  Dest->Buffer = ExAllocatePool(NonPagedPool, Dest->MaximumLength);
-  if (Dest->Buffer == NULL)
-    {
-      return(Status);
-    }
-
-  /*
-   * Copy the source string to kernel space.
-   */
-  Status = MmCopyFromCaller(Dest->Buffer, Src->Buffer, Dest->Length);
-  if (!NT_SUCCESS(Status))
-    {
-      ExFreePool(Dest->Buffer);
-      return(Status);
-    }
-
-  return(STATUS_SUCCESS);
-}
-
 /*
  * @unimplemented
  */