usb_sg_cancel
usb_sg_cancel(&ctx->sgr);
usb_sg_cancel(&ucr->current_sg);
usb_sg_cancel(&vub300->sg_request);
usb_sg_cancel(&vub300->sg_request);
usb_sg_cancel(&vub300->sg_request);
usb_sg_cancel(io);
EXPORT_SYMBOL_GPL(usb_sg_cancel);
usb_sg_cancel(timeout->req);
usb_sg_cancel(&us->current_sg);
usb_sg_cancel(&us->current_sg);
void usb_sg_cancel(struct usb_sg_request *io);