--- rt2570-cvs-2008060413/Module/sync.c	2008-04-27 16:06:47.000000000 -0300
+++ rt2570-cvs-2008060413-PS-DoS-Fix/Module/sync.c	2008-06-05 17:07:50.000000000 -0300
@@ -973,6 +973,13 @@
                     ULONG   PowerMode;
                         PowerMode = pAd->PortCfg.WindowsPowerMode;
 
+                    /* Still send PSPoll if we have buffered frames even though we are not is PWR_SAVE mode */
+                    if (MessageToMe)
+                    {
+                        DBGPRINT(RT_DEBUG_TRACE, "SYNC - AP backlog, we are AWAKE so we stay AWAKE but send PSPOLL\n");
+                        EnqueuePsPoll(pAd);
+                    }
+
                     if ((PowerMode != Ndis802_11PowerModeCAM) &&
                         (pAd->BulkOutPending == FALSE) &&
                         (!LOCAL_TX_RING_EMPTY(pAd)) &&