From ae124188221b8152e1b0b56b83df3eb26f669c8e Mon Sep 17 00:00:00 2001
From: Phillip Susi <phreak@iag.net>
Date: Sun, 5 Dec 1999 19:26:11 +0000
Subject: [PATCH] fixed sync problem: set dpc lock field before, rather than
 after droping the spin lock

svn path=/trunk/; revision=826
---
 reactos/ntoskrnl/ke/dpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/ke/dpc.c b/reactos/ntoskrnl/ke/dpc.c
index 4b7a786f572..fcc18c7b94f 100644
--- a/reactos/ntoskrnl/ke/dpc.c
+++ b/reactos/ntoskrnl/ke/dpc.c
@@ -147,8 +147,8 @@ BOOLEAN KeInsertQueueDpc(PKDPC dpc, PVOID SystemArgument1,
    InsertHeadList(&DpcQueueHead,&dpc->DpcListEntry);
    DPRINT("dpc->DpcListEntry.Flink %x\n", dpc->DpcListEntry.Flink);
    DpcQueueSize++;
-   KeReleaseSpinLock( &DpcQueueLock, oldlvl );
    dpc->Lock=(PULONG)1;
+   KeReleaseSpinLock( &DpcQueueLock, oldlvl );
    DPRINT("DpcQueueHead.Flink %x\n",DpcQueueHead.Flink);
    DPRINT("Leaving KeInsertQueueDpc()\n",0);
    return(TRUE);