Change from unclegarlic: Don't overwrite packet length.

reactos/drivers/net/tcpip/datalink

diff -u -r1.16 -r1.17
--- lan.c	9 Jun 2004 18:11:37 -0000	1.16
+++ lan.c	19 Jun 2004 02:03:33 -0000	1.17
@@ -281,7 +281,7 @@

     PLAN_ADAPTER Adapter = (PLAN_ADAPTER)BindingContext;
     PETH_HEADER EHeader  = (PETH_HEADER)HeaderBuffer;
 

-    TI_DbgPrint(DEBUG_DATALINK, ("Called.\n"));

+    TI_DbgPrint(DEBUG_DATALINK, ("Called. (packetsize %d)\n",PacketSize));

 
     if (Adapter->State != LAN_STATE_STARTED) {
         TI_DbgPrint(DEBUG_DATALINK, ("Adapter is stopped.\n"));

@@ -317,11 +317,17 @@

     KeAcquireSpinLockAtDpcLevel(&Adapter->Lock);
     NdisStatus = AllocatePacketWithBuffer( &NdisPacket, NULL, Adapter->MTU );
     if( NdisStatus != NDIS_STATUS_SUCCESS ) return NDIS_STATUS_NOT_ACCEPTED;

-    GetDataPtr( NdisPacket, 0, &BufferData, &PacketSize );

+    TI_DbgPrint(DEBUG_DATALINK, ("pretransfer LookaheadBufferSize %d packsize %d\n",LookaheadBufferSize,PacketSize));
+	{
+		UINT temp;
+		temp = PacketSize;
+    GetDataPtr( NdisPacket, 0, &BufferData, &temp );
+	}

 
     IPPacket.NdisPacket = NdisPacket;
 	
     if (LookaheadBufferSize < PacketSize) {

+    TI_DbgPrint(DEBUG_DATALINK, ("pretransfer LookaheadBufferSize %d packsize %d\n",LookaheadBufferSize,PacketSize));

         /* Get the data */
         NdisTransferData(&NdisStatus,
                          Adapter->NdisHandle,

@@ -331,6 +337,7 @@

                          NdisPacket,
                          &BytesTransferred);
     } else {

+    TI_DbgPrint(DEBUG_DATALINK, ("copy\n"));

 	NdisStatus = NDIS_STATUS_SUCCESS;
 	BytesTransferred = PacketSize;
 	RtlCopyMemory(BufferData,

@@ -339,6 +346,7 @@

 	RtlCopyMemory(BufferData + HeaderBufferSize,
 		      LookaheadBuffer, LookaheadBufferSize);
     }

+    TI_DbgPrint(DEBUG_DATALINK, ("Calling complete\n"));

 
     if (NdisStatus != NDIS_STATUS_PENDING)
 	ProtocolTransferDataComplete(BindingContext,

@@ -348,6 +356,7 @@

 
     /* Release the packet descriptor */
     KeReleaseSpinLockFromDpcLevel(&Adapter->Lock);

+    TI_DbgPrint(DEBUG_DATALINK, ("leaving\n"));

 
     return NDIS_STATUS_SUCCESS;
 }