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USB_GET_DEV(9) | USB Core APIs | USB_GET_DEV(9) |
NAME¶
usb_get_dev - increments the reference count of the usb device structureSYNOPSIS¶
struct usb_device *
usb_get_dev(struct usb_device * dev);
ARGUMENTS¶
devthe 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¶
January 2017 | Kernel Hackers Manual 4.8. |