The usb device member in the urb private structure is redundant,
it is set but never used.

diff -Nru a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
--- a/drivers/usb/host/uhci-hcd.c       Thu Feb  5 10:59:31 2004
+++ b/drivers/usb/host/uhci-hcd.c       Thu Feb  5 10:59:31 2004
@@ -668,7 +668,6 @@
        urbp->inserttime = jiffies;
        urbp->fsbrtime = jiffies;
        urbp->urb = urb;
-       urbp->dev = urb->dev;
        
        INIT_LIST_HEAD(&urbp->td_list);
        INIT_LIST_HEAD(&urbp->queue_list);
diff -Nru a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h
--- a/drivers/usb/host/uhci-hcd.h       Thu Feb  5 10:59:31 2004
+++ b/drivers/usb/host/uhci-hcd.h       Thu Feb  5 10:59:31 2004
@@ -372,7 +372,6 @@
        struct list_head urb_list;
 
        struct urb *urb;
-       struct usb_device *dev;
 
        struct uhci_qh *qh;             /* QH for this URB */
        struct list_head td_list;       /* P: urb->lock */


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