Don't use NdisTransferData if the whole packet is contained in the header+lookup...

svn path=/trunk/; revision=11266

diff --git a/reactos/drivers/net/tcpip/datalink/lan.c b/reactos/drivers/net/tcpip/datalink/lan.c
index 5c02f25..c6a7659 100644 (file)
--- a/reactos/drivers/net/tcpip/datalink/lan.c
+++ b/reactos/drivers/net/tcpip/datalink/lan.c
@@ -371,19 +371,17 @@ NDIS_STATUS STDCALL ProtocolReceive(
     IPPacket.NdisPacket = NdisPacket;
     IPPacket.Position = 0;
        
-#if 0
-    if (LookaheadBufferSize < PacketSize) {
-#endif
-    TI_DbgPrint(DEBUG_DATALINK, ("pretransfer LookaheadBufferSize %d packsize %d\n",LookaheadBufferSize,PacketSize));
+    if ((LookaheadBufferSize + HeaderBufferSize) < PacketSize)
+    {
+        TI_DbgPrint(DEBUG_DATALINK, ("pretransfer LookaheadBufferSize %d packsize %d\n",LookaheadBufferSize,PacketSize));
         /* Get the data */
-    NdisTransferData(&NdisStatus,
-                    Adapter->NdisHandle,
-                    MacReceiveContext,
-                    0,
-                    PacketSize + HeaderBufferSize,
-                    NdisPacket,
-                    &BytesTransferred);
-#if 0
+        NdisTransferData(&NdisStatus,
+                         Adapter->NdisHandle,
+                         MacReceiveContext,
+                         0,
+                         PacketSize + HeaderBufferSize,
+                         NdisPacket,
+                         &BytesTransferred);
     } else {
        TI_DbgPrint(DEBUG_DATALINK, ("copy\n"));
        NdisStatus = NDIS_STATUS_SUCCESS;
@@ -394,7 +392,6 @@ NDIS_STATUS STDCALL ProtocolReceive(
        RtlCopyMemory(BufferData + HeaderBufferSize,
                      LookaheadBuffer, LookaheadBufferSize);
     }
-#endif
     TI_DbgPrint(DEBUG_DATALINK, ("Calling complete\n"));
 
     /* Release the packet descriptor */