From c4db2ba2dcc81493e43b0859c0a3a8bbf8932792 Mon Sep 17 00:00:00 2001
From: Andrew Munger <waxdragon@gmail.com>
Date: Mon, 21 Apr 2008 12:10:55 +0000
Subject: [PATCH] =?UTF-8?q?A=20driver-supplied=20Cancel=20routine=20is=20c?=
 =?UTF-8?q?alled=20with=20the=20cancel=20spin=20lock=20held,=20it=20must?=
 =?UTF-8?q?=20be=20released=20on=20IRP=20completion.=20This=20was=20invert?=
 =?UTF-8?q?ed=20in=20mouclass.=20Fix=20by=20Samuel=20Serapi=C3=B3n.?=
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svn path=/trunk/; revision=33089
---
 reactos/drivers/input/mouclass/mouclass.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/reactos/drivers/input/mouclass/mouclass.c b/reactos/drivers/input/mouclass/mouclass.c
index 79877de52b1..dbcf90e2657 100644
--- a/reactos/drivers/input/mouclass/mouclass.c
+++ b/reactos/drivers/input/mouclass/mouclass.c
@@ -705,8 +705,10 @@ ClassCancelRoutine(
 
 	ASSERT(ClassDeviceExtension->Common.IsClassDO);
 
+	IoReleaseCancelSpinLock(Irp->CancelIrql);
+
 	KeAcquireSpinLock(&ClassDeviceExtension->SpinLock, &OldIrql);
-	IoAcquireCancelSpinLock(&OldIrql);
+
 	if (ClassDeviceExtension->PendingIrp == Irp)
 	{
 		ClassDeviceExtension->PendingIrp = NULL;