| USB_GET_DEV(9) | USB Core APIs | USB_GET_DEV(9) |
NAME¶
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.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |