466 	int			retval = 0;  in simple_io()  local
470 	while (retval == 0 && iterations-- > 0) {  in simple_io()
476 		retval = usb_submit_urb(urb, GFP_KERNEL);  in simple_io()
477 		if (retval != 0)  in simple_io()
483 			retval = (urb->status == -ENOENT ?  in simple_io()
486 			retval = urb->status;  in simple_io()
490 		if (retval == 0 && usb_pipein(urb->pipe))  in simple_io()
491 			retval = simple_check_buf(tdev, urb);  in simple_io()
507 	if (expected != retval)  in simple_io()
510 				label, iterations, retval, expected);  in simple_io()
511 	return retval;  in simple_io()
610 	int			retval = 0;  in perform_sglist()  local
617 	while (retval == 0 && iterations-- > 0) {  in perform_sglist()
618 		retval = usb_sg_init(req, udev, pipe,  in perform_sglist()
624 		if (retval)  in perform_sglist()
630 			retval = -ETIMEDOUT;  in perform_sglist()
632 			retval = req->status;  in perform_sglist()
643 	if (retval)  in perform_sglist()
646 				iterations, retval);  in perform_sglist()
647 	return retval;  in perform_sglist()
673 	int			retval;  in get_altsetting()  local
675 	retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in get_altsetting()
679 	switch (retval) {  in get_altsetting()
683 		retval = -ERANGE;  in get_altsetting()
686 		return retval;  in get_altsetting()
830 	int			i, alt, retval;  in ch9_postconfig()  local
850 		retval = set_altsetting(dev, alt);  in ch9_postconfig()
851 		if (retval) {  in ch9_postconfig()
853 					alt, retval);  in ch9_postconfig()
854 			return retval;  in ch9_postconfig()
858 		retval = get_altsetting(dev);  in ch9_postconfig()
859 		if (retval != alt) {  in ch9_postconfig()
861 					alt, retval);  in ch9_postconfig()
862 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
875 		retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in ch9_postconfig()
879 		if (retval != 1 || dev->buf[0] != expected) {  in ch9_postconfig()
881 				retval, dev->buf[0], expected);  in ch9_postconfig()
882 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
887 	retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0,  in ch9_postconfig()
889 	if (retval != sizeof(udev->descriptor)) {  in ch9_postconfig()
890 		dev_err(&iface->dev, "dev descriptor --> %d\n", retval);  in ch9_postconfig()
891 		return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
904 		retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf,  in ch9_postconfig()
906 		if (retval != sizeof(*udev->bos->desc)) {  in ch9_postconfig()
907 			dev_err(&iface->dev, "bos descriptor --> %d\n", retval);  in ch9_postconfig()
908 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
922 		retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf,  in ch9_postconfig()
924 		if (retval != total) {  in ch9_postconfig()
926 					retval);  in ch9_postconfig()
927 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
980 		retval = usb_get_descriptor(udev, USB_DT_CONFIG, i,  in ch9_postconfig()
982 		if (!is_good_config(dev, retval)) {  in ch9_postconfig()
985 					i, retval);  in ch9_postconfig()
986 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
999 		retval = usb_get_descriptor(udev,  in ch9_postconfig()
1002 		if (retval == -EPIPE) {  in ch9_postconfig()
1006 						retval);  in ch9_postconfig()
1007 				return retval;  in ch9_postconfig()
1010 		} else if (retval != sizeof(struct usb_qualifier_descriptor)) {  in ch9_postconfig()
1011 			dev_err(&iface->dev, "dev qualifier --> %d\n", retval);  in ch9_postconfig()
1012 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
1020 				retval = usb_get_descriptor(udev,  in ch9_postconfig()
1023 				if (!is_good_config(dev, retval)) {  in ch9_postconfig()
1026 						retval);  in ch9_postconfig()
1027 					return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
1035 	retval = usb_get_std_status(udev, USB_RECIP_DEVICE, 0, dev->buf);  in ch9_postconfig()
1036 	if (retval) {  in ch9_postconfig()
1037 		dev_err(&iface->dev, "get dev status --> %d\n", retval);  in ch9_postconfig()
1038 		return retval;  in ch9_postconfig()
1045 	retval = usb_get_std_status(udev, USB_RECIP_INTERFACE,  in ch9_postconfig()
1047 	if (retval) {  in ch9_postconfig()
1048 		dev_err(&iface->dev, "get interface status --> %d\n", retval);  in ch9_postconfig()
1049 		return retval;  in ch9_postconfig()
1439 	int			retval = 0;  in unlink1()  local
1459 	retval = usb_submit_urb(urb, GFP_KERNEL);  in unlink1()
1460 	if (retval != 0) {  in unlink1()
1461 		dev_err(&dev->intf->dev, "submit fail %d\n", retval);  in unlink1()
1462 		return retval;  in unlink1()
1471 			retval = usb_unlink_urb(urb);  in unlink1()
1473 			if (retval == 0 && usb_pipein(urb->pipe))  in unlink1()
1474 				retval = simple_check_buf(dev, urb);  in unlink1()
1476 			switch (retval) {  in unlink1()
1493 					"unlink fail %d\n", retval);  in unlink1()
1494 				return retval;  in unlink1()
1503 	retval = urb->status;  in unlink1()
1507 		return (retval == -ECONNRESET) ? 0 : retval - 1000;  in unlink1()
1509 		return (retval == -ENOENT || retval == -EPERM) ?  in unlink1()
1510 				0 : retval - 2000;  in unlink1()
1515 	int			retval = 0;  in unlink_simple()  local
1518 	retval = unlink1(dev, pipe, len, 1);  in unlink_simple()
1519 	if (!retval)  in unlink_simple()
1520 		retval = unlink1(dev, pipe, len, 0);  in unlink_simple()
1521 	return retval;  in unlink_simple()
1562 	int			retval = -ENOMEM;  in unlink_queued()  local
1571 		return retval;  in unlink_queued()
1596 		retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL);  in unlink_queued()
1597 		if (retval != 0) {  in unlink_queued()
1599 					i, retval);  in unlink_queued()
1601 			ctx.status = retval;  in unlink_queued()
1616 	retval = ctx.status;  in unlink_queued()
1624 	return retval;  in unlink_queued()
1631 	int	retval;  in verify_not_halted()  local
1635 	retval = usb_get_std_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status);  in verify_not_halted()
1636 	if (retval < 0) {  in verify_not_halted()
1638 				ep, retval);  in verify_not_halted()
1639 		return retval;  in verify_not_halted()
1645 	retval = simple_io(tdev, urb, 1, 0, 0, __func__);  in verify_not_halted()
1646 	if (retval != 0)  in verify_not_halted()
1653 	int	retval;  in verify_halted()  local
1657 	retval = usb_get_std_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status);  in verify_halted()
1658 	if (retval < 0) {  in verify_halted()
1660 				ep, retval);  in verify_halted()
1661 		return retval;  in verify_halted()
1667 	retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__);  in verify_halted()
1668 	if (retval != -EPIPE)  in verify_halted()
1670 	retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted");  in verify_halted()
1671 	if (retval != -EPIPE)  in verify_halted()
1678 	int	retval;  in test_halt()  local
1681 	retval = verify_not_halted(tdev, ep, urb);  in test_halt()
1682 	if (retval < 0)  in test_halt()
1683 		return retval;  in test_halt()
1686 	retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0),  in test_halt()
1690 	if (retval < 0) {  in test_halt()
1691 		ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval);  in test_halt()
1692 		return retval;  in test_halt()
1694 	retval = verify_halted(tdev, ep, urb);  in test_halt()
1695 	if (retval < 0) {  in test_halt()
1704 		return retval;  in test_halt()
1708 	retval = usb_clear_halt(urb->dev, urb->pipe);  in test_halt()
1709 	if (retval < 0) {  in test_halt()
1710 		ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval);  in test_halt()
1711 		return retval;  in test_halt()
1713 	retval = verify_not_halted(tdev, ep, urb);  in test_halt()
1714 	if (retval < 0)  in test_halt()
1715 		return retval;  in test_halt()
1724 	int	retval;  in test_toggle_sync()  local
1727 	retval = usb_clear_halt(urb->dev, urb->pipe);  in test_toggle_sync()
1728 	if (retval < 0) {  in test_toggle_sync()
1729 		ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval);  in test_toggle_sync()
1730 		return retval;  in test_toggle_sync()
1734 	retval = simple_io(tdev, urb, 1, 0, 0, __func__);  in test_toggle_sync()
1735 	if (retval != 0)  in test_toggle_sync()
1739 	retval = usb_clear_halt(urb->dev, urb->pipe);  in test_toggle_sync()
1740 	if (retval < 0) {  in test_toggle_sync()
1741 		ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval);  in test_toggle_sync()
1742 		return retval;  in test_toggle_sync()
1746 	retval = simple_io(tdev, urb, 1, 0, 0, __func__);  in test_toggle_sync()
1748 	return retval;  in test_toggle_sync()
1754 	int			retval = 0;  in halt_simple()  local
1768 		retval = test_halt(dev, ep, urb);  in halt_simple()
1769 		if (retval < 0)  in halt_simple()
1776 		retval = test_halt(dev, ep, urb);  in halt_simple()
1780 	return retval;  in halt_simple()
1786 	int			retval = 0;  in toggle_sync_simple()  local
1804 	retval = test_toggle_sync(dev, ep, urb);  in toggle_sync_simple()
1807 	return retval;  in toggle_sync_simple()
1824 	int			retval;  in ctrl_out()  local
1839 	retval = 0;  in ctrl_out()
1848 		retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in ctrl_out()
1851 		if (retval != len) {  in ctrl_out()
1853 			if (retval >= 0) {  in ctrl_out()
1855 						retval, len);  in ctrl_out()
1856 				retval = -EBADMSG;  in ctrl_out()
1862 		retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in ctrl_out()
1865 		if (retval != len) {  in ctrl_out()
1867 			if (retval >= 0) {  in ctrl_out()
1869 						retval, len);  in ctrl_out()
1870 				retval = -EBADMSG;  in ctrl_out()
1880 				retval = -EBADMSG;  in ctrl_out()
1884 		if (retval < 0) {  in ctrl_out()
1899 	if (retval < 0)  in ctrl_out()
1901 			what, retval, i);  in ctrl_out()
1904 	return retval;  in ctrl_out()
2158 	int retval;  in test_unaligned_bulk()  local
2165 	retval = simple_io(tdev, urb, iterations, 0, 0, label);  in test_unaligned_bulk()
2167 	return retval;  in test_unaligned_bulk()
2180 	int	retval = -EOPNOTSUPP;  in usbtest_do_ioctl()  local
2199 		retval = 0;  in usbtest_do_ioctl()
2211 			retval = -ENOMEM;  in usbtest_do_ioctl()
2215 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test1");  in usbtest_do_ioctl()
2226 			retval = -ENOMEM;  in usbtest_do_ioctl()
2230 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test2");  in usbtest_do_ioctl()
2241 			retval = -ENOMEM;  in usbtest_do_ioctl()
2245 		retval = simple_io(dev, urb, param->iterations, param->vary,  in usbtest_do_ioctl()
2257 			retval = -ENOMEM;  in usbtest_do_ioctl()
2261 		retval = simple_io(dev, urb, param->iterations, param->vary,  in usbtest_do_ioctl()
2277 			retval = -ENOMEM;  in usbtest_do_ioctl()
2281 		retval = perform_sglist(dev, param->iterations, dev->out_pipe,  in usbtest_do_ioctl()
2296 			retval = -ENOMEM;  in usbtest_do_ioctl()
2300 		retval = perform_sglist(dev, param->iterations, dev->in_pipe,  in usbtest_do_ioctl()
2314 			retval = -ENOMEM;  in usbtest_do_ioctl()
2318 		retval = perform_sglist(dev, param->iterations, dev->out_pipe,  in usbtest_do_ioctl()
2332 			retval = -ENOMEM;  in usbtest_do_ioctl()
2336 		retval = perform_sglist(dev, param->iterations, dev->in_pipe,  in usbtest_do_ioctl()
2343 		retval = 0;  in usbtest_do_ioctl()
2347 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2348 			retval = ch9_postconfig(dev);  in usbtest_do_ioctl()
2349 		if (retval)  in usbtest_do_ioctl()
2356 		retval = 0;  in usbtest_do_ioctl()
2361 		retval = test_ctrl_queue(dev, param);  in usbtest_do_ioctl()
2368 		retval = 0;  in usbtest_do_ioctl()
2371 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2372 			retval = unlink_simple(dev, dev->in_pipe,  in usbtest_do_ioctl()
2374 		if (retval)  in usbtest_do_ioctl()
2376 				"iterations left %d\n", retval, i);  in usbtest_do_ioctl()
2381 		retval = 0;  in usbtest_do_ioctl()
2384 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2385 			retval = unlink_simple(dev, dev->out_pipe,  in usbtest_do_ioctl()
2387 		if (retval)  in usbtest_do_ioctl()
2389 				"iterations left %d\n", retval, i);  in usbtest_do_ioctl()
2396 		retval = 0;  in usbtest_do_ioctl()
2399 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2400 			retval = halt_simple(dev);  in usbtest_do_ioctl()
2402 		if (retval)  in usbtest_do_ioctl()
2414 		retval = ctrl_out(dev, param->iterations,  in usbtest_do_ioctl()
2427 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2440 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2454 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2467 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2481 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2494 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2509 		retval = ctrl_out(dev, param->iterations,  in usbtest_do_ioctl()
2521 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2532 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2540 		retval = 0;  in usbtest_do_ioctl()
2544 		for (i = param->iterations; retval == 0 && i > 0; --i) {  in usbtest_do_ioctl()
2545 			retval = unlink_queued(dev, dev->out_pipe,  in usbtest_do_ioctl()
2547 			if (retval) {  in usbtest_do_ioctl()
2550 					"iterations left %d\n", retval, i);  in usbtest_do_ioctl()
2566 			retval = -ENOMEM;  in usbtest_do_ioctl()
2570 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test25");  in usbtest_do_ioctl()
2582 			retval = -ENOMEM;  in usbtest_do_ioctl()
2586 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test26");  in usbtest_do_ioctl()
2596 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2605 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2612 		retval = 0;  in usbtest_do_ioctl()
2615 		for (i = param->iterations; retval == 0 && i > 0; --i)  in usbtest_do_ioctl()
2616 			retval = toggle_sync_simple(dev);  in usbtest_do_ioctl()
2618 		if (retval)  in usbtest_do_ioctl()
2623 	return retval;  in usbtest_do_ioctl()
2660 	int retval = -EOPNOTSUPP;  in usbtest_ioctl()  local
2677 			retval = -ENODEV;  in usbtest_ioctl()
2680 		retval = set_altsetting(dev, dev->info->alt);  in usbtest_ioctl()
2681 		if (retval) {  in usbtest_ioctl()
2684 					dev->info->alt, retval);  in usbtest_ioctl()
2703 		retval = -EOPNOTSUPP;  in usbtest_ioctl()
2709 	retval = usbtest_do_ioctl(intf, param_32);  in usbtest_ioctl()
2710 	if (retval < 0)  in usbtest_ioctl()
2734 	return retval;  in usbtest_ioctl()