usb_get_urb

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

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.