NAME
usb_get_urb - increments the reference count of the urb
SYNOPSIS
struct urb * usb_get_urb (struct urb * urb);
ARGUMENTS
urb pointer to the urb to modify, may be NULL
DESCRIPTION
This must be called whenever a urb is transferred from a device driver
to a host controller driver. This allows proper reference counting to
happen for urbs.
A pointer to the urb with the incremented reference counter is
returned.