gadget/function/u_serial.c

238 	int			status = 0;
242 		return status;
276 		status = usb_ep_queue(in, req, GFP_ATOMIC);
280 		if (status) {
282 					__func__, "queue", in->name, status);
296 	return status;
313 		int			status;
332 		status = usb_ep_queue(out, req, GFP_ATOMIC);
335 		if (status) {
337 					__func__, "queue", out->name, status);
381 		switch (req->status) {
389 			pr_warn("ttyGS%d: unexpected RX status %d\n",
390 				port->port_num, req->status);
472 	switch (req->status) {
475 		pr_warn("%s: unexpected %s status %d\n",
476 			__func__, ep->name, req->status);
543 	int			status;
556 	status = gs_alloc_requests(ep, head, gs_read_complete,
558 	if (status)
559 		return status;
561 	status = gs_alloc_requests(port->port_usb->in, &port->write_pool,
563 	if (status) {
565 		return status;
581 		status = -EIO;
584 	return status;
600 	int		status = 0;
605 		status = -ENODEV;
621 		status = kfifo_alloc(&port->port_write_buf,
623 		if (status) {
662 	return status;
760 	int		status;
766 	status = kfifo_put(&port->port_write_buf, ch);
769 	return status;
839 	int		status = 0;
848 		status = gser->send_break(gser, duration);
851 	return status;
876 	switch (req->status) {
878 		pr_warn("%s: unexpected %s status %d\n",
879 			__func__, ep->name, req->status);
1308 	int		status;
1324 	status = usb_ep_enable(gser->in);
1325 	if (status < 0)
1326 		return status;
1329 	status = usb_ep_enable(gser->out);
1330 	if (status < 0)
1347 	 * protocol about open/close status (connect/disconnect).
1359 	status = gs_console_connect(port);
1362 	return status;
1366 	return status;
1482 	int				status;
1511 	status = tty_register_driver(driver);
1512 	if (status) {
1514 				__func__, status);
1524 	return status;
1527 	return status;