passthru的问题！

照搬Huyg的一段代码，安装后系统蓝屏，代码如下：

NDIS_STATUS
PtReceive(
IN  NDIS_HANDLE ProtocolBindingContext,
IN  NDIS_HANDLE MacReceiveContext,
IN  PVOID HeaderBuffer,
IN  UINT HeaderBufferSize,
IN  PVOID LookAheadBuffer,
IN  UINT LookAheadBufferSize,
IN  UINT PacketSize
)
/*++

Routine Description:
LBFO - need to use primary for all receives

Arguments:


Return Value:

--*/
{
PADAPT pAdapt =(PADAPT)ProtocolBindingContext;
PNDIS_PACKET MyPacket, Packet;
NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
//******************************************************
UINT                     PacketLen;
PRSVD                    Resvd;
NDIS_PHYSICAL_ADDRESS    HighestAcceptableAddress;
PUCHAR                   pPacketContent;
PNDIS_BUFFER             PacketBuffer;
    //******************************************************
if(!pAdapt->MiniportHandle)
{
Status = NDIS_STATUS_FAILURE;
}
else do
{
// We should not be getting Receives on a Secondary, this is just specific to our  LBFO driver
if(pAdapt->isSecondary)
{
DBGPRINT(\"PASSTHRU GETTING RECIEVES ON SECONDARY\\n\");
ASSERT(0);
}

//
// If this was indicated by the miniport below as a packet, then get that packet pointer and indicate
// it as a packet as well(with appropriate status). This way the OOB stuff is accessible to the
// transport above us.
//
Packet = NdisGetReceivedPacket(pAdapt->BindingHandle, MacReceiveContext);
if(Packet != NULL)
{
//
// Get a packet off the pool and indicate that up
// NdisDprAllocatePacket allocates and initializes a packet descriptor when the caller is running at IRQL DISPATCH_LEVEL.
NdisDprAllocatePacket(&Status, &MyPacket, pAdapt->RecvPacketPoolHandle);

if(Status == NDIS_STATUS_SUCCESS)
{
 MyPacket->Private.Head = Packet->Private.Head;
 MyPacket->Private.Tail = Packet->Private.Tail;

 //
 // Get the original packet(it could be the same packet as one received or a different one
 // based on # of layered MPs) and set it on the indicated packet so the OOB stuff is visible
 // correctly at the top.
 //
 NDIS_SET_ORIGINAL_PACKET(MyPacket, NDIS_GET_ORIGINAL_PACKET(Packet));
 NDIS_SET_PACKET_HEADER_SIZE(MyPacket, HeaderBufferSize);

 //
 // Set Packet Flags
 //
 NdisGetPacketFlags(MyPacket) = NdisGetPacketFlags(Packet);

 //
 // Make sure the status is set to NDIS_STATUS_RESOURCES.
 //
 NDIS_SET_PACKET_STATUS(MyPacket, NDIS_STATUS_RESOURCES);

 NdisMIndicateReceivePacket(pAdapt->MiniportHandle, &MyPacket, 1);

 ASSERT(NDIS_GET_PACKET_STATUS(MyPacket) == NDIS_STATUS_RESOURCES);
 NdisDprFreePacket(MyPacket);
 break;
}
}
//***************************************************************************************
        HighestAcceptableAddress.LowPart = -1;
HighestAcceptableAddress.HighPart = -1;

if(PacketSize <= LookAheadBufferSize)
{
Status = NdisAllocateMemory(&pPacketContent, 2000, 0, HighestAcceptableAddress);

if (Status != NDIS_STATUS_SUCCESS )
{
DbgPrint(\"ptreceive :ndisallocatememory failed\\n\");
return NDIS_STATUS_NOT_ACCEPTED ;
}

if(pPacketContent == NULL)
{
DbgPrint(\"prreceive:pPacketContent == NULL\\n\");
return NDIS_STATUS_NOT_ACCEPTED ;
}

RtlZeroMemory(pPacketContent, 2000);
RtlCopyMemory(pPacketContent,HeaderBuffer,HeaderBufferSize);
RtlCopyMemory(pPacketContent+HeaderBufferSize,LookAheadBuffer,LookAheadBufferSize);

PacketLen = PacketSize+HeaderBufferSize;

NdisDprAllocatePacket(&Status, &MyPacket, pAdapt->RecvPacketPoolHandle);
if(Status != NDIS_STATUS_SUCCESS)
{
DbgPrint(\"NdisDprAllocatePacket failed!\\n\");
return NDIS_STATUS_NOT_ACCEPTED ;
}

if(Status == NDIS_STATUS_SUCCESS)
{
NdisAllocateBuffer(&Status, &PacketBuffer, pAdapt->RecvBufferPoolHandle, pPacketContent,PacketLen);
NdisChainBufferAtFront(MyPacket, PacketBuffer);

MyPacket->Private.Head->Next=NULL;
MyPacket->Private.Tail = NULL;

Resvd =(PRSVD)(MyPacket->MiniportReserved);
Resvd->OriginalPkt = NULL;
NDIS_SET_PACKET_HEADER_SIZE(MyPacket, HeaderBufferSize);

NdisMIndicateReceivePacket(pAdapt->MiniportHandle, &MyPacket, 1); //运行到这里就死翘翘了

if ( NDIS_GET_PACKET_STATUS( MyPacket ) != NDIS_STATUS_PENDING )
{
NdisFreeBuffer(PacketBuffer);
NdisFreeMemory(pPacketContent,2000,0);
NdisDprFreePacket(MyPacket);
}
break;

}
}
//*****************************************************************************************

//
// Fall through if the miniport below us has either not indicated a packet or we could not
// allocate one
//
pAdapt->IndicateRcvComplete = TRUE;
switch(pAdapt->Medium)
{
 case NdisMedium802_3:
NdisMEthIndicateReceive(pAdapt->MiniportHandle,
MacReceiveContext,
HeaderBuffer,
HeaderBufferSize,
LookAheadBuffer,
LookAheadBufferSize,
PacketSize);
break;

 case NdisMedium802_5:
NdisMTrIndicateReceive(pAdapt->MiniportHandle,
MacReceiveContext,
HeaderBuffer,
HeaderBufferSize,
LookAheadBuffer,
LookAheadBufferSize,
PacketSize);
break;

 case NdisMediumFddi:
NdisMFddiIndicateReceive(pAdapt->MiniportHandle,
 MacReceiveContext,
 HeaderBuffer,
 HeaderBufferSize,
 LookAheadBuffer,
 LookAheadBufferSize,
 PacketSize);
break;

 default:
ASSERT(0);
break;
}

} while(FALSE);
return Status;
}
各位大虾帮忙看看！！！