usb_free_noncoherent
usb_free_noncoherent(dev->udev, stk_urb->urb->transfer_buffer_length,
usb_free_noncoherent(udev, size, uvc_urb->buffer,
EXPORT_SYMBOL_GPL(usb_free_noncoherent);
void usb_free_noncoherent(struct usb_device *dev, size_t size,