[USBPORT] Fix endless loop, occasionally happened on real hardware

diff --git a/drivers/usb/usbport/queue.c b/drivers/usb/usbport/queue.c
index 9635de1..df70e5f 100644 (file)
--- a/drivers/usb/usbport/queue.c
+++ b/drivers/usb/usbport/queue.c
@@ -1261,7 +1261,7 @@ USBPORT_FlushController(IN PDEVICE_OBJECT FdoDevice)
     PUSBPORT_DEVICE_EXTENSION  FdoExtension;
     PLIST_ENTRY Entry;
     PUSBPORT_ENDPOINT Endpoint;
     PUSBPORT_DEVICE_EXTENSION  FdoExtension;
     PLIST_ENTRY Entry;
     PUSBPORT_ENDPOINT Endpoint;

-    ULONG KilledTransfers = 0;
+    ULONG KilledTransfers;

     PLIST_ENTRY EndpointList;
     KIRQL OldIrql;
     LIST_ENTRY FlushList;
     PLIST_ENTRY EndpointList;
     KIRQL OldIrql;
     LIST_ENTRY FlushList;


@@ -1301,6 +1301,7 @@ USBPORT_FlushController(IN PDEVICE_OBJECT FdoDevice)
 
         KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
 
 
         KeReleaseSpinLock(&FdoExtension->EndpointListSpinLock, OldIrql);
 

+        KilledTransfers = 0;

         while (!IsListEmpty(&FlushList))
         {
             Endpoint = CONTAINING_RECORD(FlushList.Flink,
         while (!IsListEmpty(&FlushList))
         {
             Endpoint = CONTAINING_RECORD(FlushList.Flink,


@@ -1355,7 +1356,7 @@ USBPORT_AbortEndpoint(IN PDEVICE_OBJECT FdoDevice,
                       IN PIRP Irp)
 {
     PLIST_ENTRY PendingList;
                       IN PIRP Irp)
 {
     PLIST_ENTRY PendingList;

-    PUSBPORT_TRANSFER PendingTransfer; 
+    PUSBPORT_TRANSFER PendingTransfer;

     PLIST_ENTRY ActiveList;
     PUSBPORT_TRANSFER ActiveTransfer;
 
     PLIST_ENTRY ActiveList;
     PUSBPORT_TRANSFER ActiveTransfer;