From b434c4646344f009a6521537d1082947cd6c3f0f Mon Sep 17 00:00:00 2001
From: Johannes Anderwald <johannes.anderwald@reactos.org>
Date: Mon, 23 Jan 2012 03:50:11 +0000
Subject: [PATCH] [USBEHCI] - Don't acquire spinlock twice

svn path=/branches/usb-bringup-trunk/; revision=55090
---
 drivers/usb/usbehci_new/usb_queue.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/usbehci_new/usb_queue.cpp b/drivers/usb/usbehci_new/usb_queue.cpp
index 574ef65173b..a7936b2e714 100644
--- a/drivers/usb/usbehci_new/usb_queue.cpp
+++ b/drivers/usb/usbehci_new/usb_queue.cpp
@@ -580,16 +580,18 @@ CUSBQueue::QueueHeadCompletion(
     //
     // now unlink the queue head
     // FIXME: implement chained queue heads
+    // no need to acquire locks, as it is called with locks held
     //
 
-    KeAcquireSpinLock(&m_Lock, &OldLevel);
-
+    //
+    // unlink queue head
+    //
     UnlinkQueueHead(CurrentQH);
 
+    //
+    // insert into completed list
+    //
     InsertTailList(&m_CompletedRequestAsyncList, &CurrentQH->LinkedQueueHeads);
-
-    KeReleaseSpinLock(&m_Lock, OldLevel);
-
 }
 
 VOID