USB: Eliminate urb->status usage!

This patch (as979) removes the last vestiges of urb->status from the
host controller drivers and the root-hub emulator.  Now the field
doesn't get set until just before the URB's completion routine is
called.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: David Brownell <david-b@pacbell.net>
CC: Olav Kongas <ok@artecdesign.ee>
CC: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
CC: Tony Olech <tony.olech@elandigitalsystems.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ohci-q.c

@@ -62,8 +62,7 @@ __acquires(ohci->lock)
 	/* urb->complete() can reenter this HCD */
 	usb_hcd_unlink_urb_from_ep(ohci_to_hcd(ohci), urb);
 	spin_unlock (&ohci->lock);
-	urb->status = status;
-	usb_hcd_giveback_urb (ohci_to_hcd(ohci), urb);
+	usb_hcd_giveback_urb(ohci_to_hcd(ohci), urb, status);
 	spin_lock (&ohci->lock);
 
 	/* stop periodic dma if it's not needed */