usb_get_dev (9) Linux Manual Page
usb_get_dev – increments the reference count of the usb device structure
Synopsis
struct usb_device *usb_get_dev(struct usb_device *dev);Arguments
dev
-
- the device being referenced
Description
Each live reference to a device should be refcounted.
Drivers for USB interfaces should normally record such references in their probe methods, when they bind to an interface, and release them by calling usb_put_dev, in their disconnect methods.
Return
A pointer to the device with the incremented reference counter.