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| 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¶
| January 2017 | Kernel Hackers Manual 4.8. |