Move urb killing code into separate function and use it
instead of copying that code pattern over.
Signed-off-by: NLadislav Michl <ladis@linux-mips.org>
Acked-by: NOliver Neukum <oneukum@suse.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>