handle_req
goto handle_req;
handle_req:
struct work_struct handle_req;
struct rtsx_usb_ms, handle_req);
schedule_work(&host->handle_req);
INIT_WORK(&host->handle_req, rtsx_usb_ms_handle_req);
cancel_work_sync(&host->handle_req);
if (handle_req(req, resp, listener) < 0)