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>

diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 5151528..94d859a 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -436,9 +436,8 @@
 		ep->nextpid = USB_PID_SETUP;
 
 	usb_hcd_unlink_urb_from_ep(sl811_to_hcd(sl811), urb);
-	urb->status = status;
 	spin_unlock(&sl811->lock);
-	usb_hcd_giveback_urb(sl811_to_hcd(sl811), urb);
+	usb_hcd_giveback_urb(sl811_to_hcd(sl811), urb, status);
 	spin_lock(&sl811->lock);
 
 	/* leave active endpoints in the schedule */