[cgutman] 47825: [NDIS] - Dequeue the timer earlier so the timer queue will be in a valid state if any timers are modified during the miniport's timer callback

Author: cgutman
Date: Tue Jun 22 05:37:31 2010
New Revision: 47825

URL: http://svn.reactos.org/svn/reactos?rev=47825&view=rev
Log:
[NDIS]
- Dequeue the timer earlier so the timer queue will be in a valid state if any timers are modified during the miniport's timer callback

Modified:
    trunk/reactos/drivers/network/ndis/ndis/time.c

Modified: trunk/reactos/drivers/network/ndis/ndis/time.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/ndis/ndis/t...
==============================================================================
--- trunk/reactos/drivers/network/ndis/ndis/time.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/network/ndis/ndis/time.c [iso-8859-1] Tue Jun 22 05:37:31 2010
@@ -170,19 +170,19 @@
 {
   PNDIS_MINIPORT_TIMER Timer = DeferredContext;

+  /* Only dequeue if the timer has a period of 0 */
+  if (!Timer->Timer.Period)
+  {
+      KeAcquireSpinLockAtDpcLevel(&Timer->Miniport->Lock);
+      /* If someone already dequeued it, something is wrong (borked timer implementation?) */
+      if (!DequeueMiniportTimer(Timer)) ASSERT(FALSE);
+      KeReleaseSpinLockFromDpcLevel(&Timer->Miniport->Lock);
+  }
+
   Timer->MiniportTimerFunction(Dpc,
                                Timer->MiniportTimerContext,
                                SystemArgument1,
                                SystemArgument2);
-
-  /* Only dequeue if the timer has a period of 0 */
-  if (!Timer->Timer.Period)
-  {
-      KeAcquireSpinLockAtDpcLevel(&Timer->Miniport->Lock);
-      /* If someone already dequeued it, something is wrong (borked timer implementation?) */
-      if (!DequeueMiniportTimer(Timer)) ASSERT(FALSE);
-      KeReleaseSpinLockFromDpcLevel(&Timer->Miniport->Lock);
-  }
 }