USB_FOR_EACH_DEV(9)                       USB Core APIs                       USB_FOR_EACH_DEV(9)



NAME
       usb_for_each_dev - iterate over all USB devices in the system

SYNOPSIS
       int usb_for_each_dev(void * data, int (*fn) (struct usb_device *, void *));

ARGUMENTS
       data
           data pointer that will be handed to the callback function

       fn
           callback function to be called for each USB device

DESCRIPTION
       Iterate over all USB devices and call fn for each, passing it data. If it returns anything
       other than 0, we break the iteration prematurely and return that value.

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