[cgutman] 36580: - Raise IRQL to DISPATCH_LEVEL before using KeAcquireSpinLockAtDpcLevel/KeReleaseSpinLockFromDpcLevel

Author: cgutman
Date: Sun Sep 28 14:58:09 2008
New Revision: 36580

URL: http://svn.reactos.org/svn/reactos?rev=36580&view=rev
Log:
 - Raise IRQL to DISPATCH_LEVEL before using KeAcquireSpinLockAtDpcLevel/KeReleaseSpinLockFromDpcLevel

Modified:
    branches/aicom-network-fixes/drivers/network/ndis/ndis/protocol.c

Modified: branches/aicom-network-fixes/drivers/network/ndis/ndis/protocol.c
URL: http://svn.reactos.org/svn/reactos/branches/aicom-network-fixes/drivers/netw...
==============================================================================
--- branches/aicom-network-fixes/drivers/network/ndis/ndis/protocol.c [iso-8859-1] (original)
+++ branches/aicom-network-fixes/drivers/network/ndis/ndis/protocol.c [iso-8859-1] Sun Sep 28 14:58:09 2008
@@ -67,6 +67,7 @@
 {
   UINT BufferedLength;
   UINT PacketLength;
+  KIRQL OldIrql;

NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));

@@ -75,6 +76,8 @@
 #endif

NdisQueryPacket(Packet, NULL, NULL, NULL, &PacketLength);
+
+  KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);

NDIS_DbgPrint(MAX_TRACE, ("acquiring miniport block lock\n"));
   KeAcquireSpinLockAtDpcLevel(&Adapter->NdisMiniportBlock.Lock);
@@ -102,6 +105,8 @@
       Adapter->NdisMiniportBlock.IndicatedPacket[KeGetCurrentProcessorNumber()] = NULL;
     }
   KeReleaseSpinLockFromDpcLevel(&Adapter->NdisMiniportBlock.Lock);
+
+  KeLowerIrql(OldIrql);

return STATUS_SUCCESS;
 }