USB_GET_URB(9)                            USB Core APIs                            USB_GET_URB(9)



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.

RETURN
       A pointer to the urb with the incremented reference counter.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                            USB_GET_URB(9)