458 	int			retval = 0;  in simple_io()  local
462 	while (retval == 0 && iterations-- > 0) {  in simple_io()
468 		retval = usb_submit_urb(urb, GFP_KERNEL);  in simple_io()
469 		if (retval != 0)  in simple_io()
475 			retval = (urb->status == -ENOENT ?  in simple_io()
478 			retval = urb->status;  in simple_io()
482 		if (retval == 0 && usb_pipein(urb->pipe))  in simple_io()
483 			retval = simple_check_buf(tdev, urb);  in simple_io()
499 	if (expected != retval)  in simple_io()
502 				label, iterations, retval, expected);  in simple_io()
503 	return retval;  in simple_io()
602 	int			retval = 0;  in perform_sglist()  local
609 	while (retval == 0 && iterations-- > 0) {  in perform_sglist()
610 		retval = usb_sg_init(req, udev, pipe,  in perform_sglist()
616 		if (retval)  in perform_sglist()
622 			retval = -ETIMEDOUT;  in perform_sglist()
624 			retval = req->status;  in perform_sglist()
635 	if (retval)  in perform_sglist()
638 				iterations, retval);  in perform_sglist()
639 	return retval;  in perform_sglist()
665 	int			retval;  in get_altsetting()  local
667 	retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in get_altsetting()
671 	switch (retval) {  in get_altsetting()
675 		retval = -ERANGE;  in get_altsetting()
678 		return retval;  in get_altsetting()
822 	int			i, alt, retval;  in ch9_postconfig()  local
842 		retval = set_altsetting(dev, alt);  in ch9_postconfig()
843 		if (retval) {  in ch9_postconfig()
845 					alt, retval);  in ch9_postconfig()
846 			return retval;  in ch9_postconfig()
850 		retval = get_altsetting(dev);  in ch9_postconfig()
851 		if (retval != alt) {  in ch9_postconfig()
853 					alt, retval);  in ch9_postconfig()
854 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
867 		retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in ch9_postconfig()
871 		if (retval != 1 || dev->buf[0] != expected) {  in ch9_postconfig()
873 				retval, dev->buf[0], expected);  in ch9_postconfig()
874 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
879 	retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0,  in ch9_postconfig()
881 	if (retval != sizeof(udev->descriptor)) {  in ch9_postconfig()
882 		dev_err(&iface->dev, "dev descriptor --> %d\n", retval);  in ch9_postconfig()
883 		return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
896 		retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf,  in ch9_postconfig()
898 		if (retval != sizeof(*udev->bos->desc)) {  in ch9_postconfig()
899 			dev_err(&iface->dev, "bos descriptor --> %d\n", retval);  in ch9_postconfig()
900 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
914 		retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf,  in ch9_postconfig()
916 		if (retval != total) {  in ch9_postconfig()
918 					retval);  in ch9_postconfig()
919 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
972 		retval = usb_get_descriptor(udev, USB_DT_CONFIG, i,  in ch9_postconfig()
974 		if (!is_good_config(dev, retval)) {  in ch9_postconfig()
977 					i, retval);  in ch9_postconfig()
978 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
991 		retval = usb_get_descriptor(udev,  in ch9_postconfig()
994 		if (retval == -EPIPE) {  in ch9_postconfig()
998 						retval);  in ch9_postconfig()
999 				return retval;  in ch9_postconfig()
1002 		} else if (retval != sizeof(struct usb_qualifier_descriptor)) {  in ch9_postconfig()
1003 			dev_err(&iface->dev, "dev qualifier --> %d\n", retval);  in ch9_postconfig()
1004 			return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
1012 				retval = usb_get_descriptor(udev,  in ch9_postconfig()
1015 				if (!is_good_config(dev, retval)) {  in ch9_postconfig()
1018 						retval);  in ch9_postconfig()
1019 					return (retval < 0) ? retval : -EDOM;  in ch9_postconfig()
1027 	retval = usb_get_std_status(udev, USB_RECIP_DEVICE, 0, dev->buf);  in ch9_postconfig()
1028 	if (retval) {  in ch9_postconfig()
1029 		dev_err(&iface->dev, "get dev status --> %d\n", retval);  in ch9_postconfig()
1030 		return retval;  in ch9_postconfig()
1037 	retval = usb_get_std_status(udev, USB_RECIP_INTERFACE,  in ch9_postconfig()
1039 	if (retval) {  in ch9_postconfig()
1040 		dev_err(&iface->dev, "get interface status --> %d\n", retval);  in ch9_postconfig()
1041 		return retval;  in ch9_postconfig()
1431 	int			retval = 0;  in unlink1()  local
1451 	retval = usb_submit_urb(urb, GFP_KERNEL);  in unlink1()
1452 	if (retval != 0) {  in unlink1()
1453 		dev_err(&dev->intf->dev, "submit fail %d\n", retval);  in unlink1()
1454 		return retval;  in unlink1()
1463 			retval = usb_unlink_urb(urb);  in unlink1()
1465 			if (retval == 0 && usb_pipein(urb->pipe))  in unlink1()
1466 				retval = simple_check_buf(dev, urb);  in unlink1()
1468 			switch (retval) {  in unlink1()
1485 					"unlink fail %d\n", retval);  in unlink1()
1486 				return retval;  in unlink1()
1495 	retval = urb->status;  in unlink1()
1499 		return (retval == -ECONNRESET) ? 0 : retval - 1000;  in unlink1()
1501 		return (retval == -ENOENT || retval == -EPERM) ?  in unlink1()
1502 				0 : retval - 2000;  in unlink1()
1507 	int			retval = 0;  in unlink_simple()  local
1510 	retval = unlink1(dev, pipe, len, 1);  in unlink_simple()
1511 	if (!retval)  in unlink_simple()
1512 		retval = unlink1(dev, pipe, len, 0);  in unlink_simple()
1513 	return retval;  in unlink_simple()
1554 	int			retval = -ENOMEM;  in unlink_queued()  local
1563 		return retval;  in unlink_queued()
1588 		retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL);  in unlink_queued()
1589 		if (retval != 0) {  in unlink_queued()
1591 					i, retval);  in unlink_queued()
1593 			ctx.status = retval;  in unlink_queued()
1608 	retval = ctx.status;  in unlink_queued()
1616 	return retval;  in unlink_queued()
1623 	int	retval;  in verify_not_halted()  local
1627 	retval = usb_get_std_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status);  in verify_not_halted()
1628 	if (retval < 0) {  in verify_not_halted()
1630 				ep, retval);  in verify_not_halted()
1631 		return retval;  in verify_not_halted()
1637 	retval = simple_io(tdev, urb, 1, 0, 0, __func__);  in verify_not_halted()
1638 	if (retval != 0)  in verify_not_halted()
1645 	int	retval;  in verify_halted()  local
1649 	retval = usb_get_std_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status);  in verify_halted()
1650 	if (retval < 0) {  in verify_halted()
1652 				ep, retval);  in verify_halted()
1653 		return retval;  in verify_halted()
1659 	retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__);  in verify_halted()
1660 	if (retval != -EPIPE)  in verify_halted()
1662 	retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted");  in verify_halted()
1663 	if (retval != -EPIPE)  in verify_halted()
1670 	int	retval;  in test_halt()  local
1673 	retval = verify_not_halted(tdev, ep, urb);  in test_halt()
1674 	if (retval < 0)  in test_halt()
1675 		return retval;  in test_halt()
1678 	retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0),  in test_halt()
1682 	if (retval < 0) {  in test_halt()
1683 		ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval);  in test_halt()
1684 		return retval;  in test_halt()
1686 	retval = verify_halted(tdev, ep, urb);  in test_halt()
1687 	if (retval < 0) {  in test_halt()
1696 		return retval;  in test_halt()
1700 	retval = usb_clear_halt(urb->dev, urb->pipe);  in test_halt()
1701 	if (retval < 0) {  in test_halt()
1702 		ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval);  in test_halt()
1703 		return retval;  in test_halt()
1705 	retval = verify_not_halted(tdev, ep, urb);  in test_halt()
1706 	if (retval < 0)  in test_halt()
1707 		return retval;  in test_halt()
1716 	int	retval;  in test_toggle_sync()  local
1719 	retval = usb_clear_halt(urb->dev, urb->pipe);  in test_toggle_sync()
1720 	if (retval < 0) {  in test_toggle_sync()
1721 		ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval);  in test_toggle_sync()
1722 		return retval;  in test_toggle_sync()
1726 	retval = simple_io(tdev, urb, 1, 0, 0, __func__);  in test_toggle_sync()
1727 	if (retval != 0)  in test_toggle_sync()
1731 	retval = usb_clear_halt(urb->dev, urb->pipe);  in test_toggle_sync()
1732 	if (retval < 0) {  in test_toggle_sync()
1733 		ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval);  in test_toggle_sync()
1734 		return retval;  in test_toggle_sync()
1738 	retval = simple_io(tdev, urb, 1, 0, 0, __func__);  in test_toggle_sync()
1740 	return retval;  in test_toggle_sync()
1746 	int			retval = 0;  in halt_simple()  local
1760 		retval = test_halt(dev, ep, urb);  in halt_simple()
1761 		if (retval < 0)  in halt_simple()
1768 		retval = test_halt(dev, ep, urb);  in halt_simple()
1772 	return retval;  in halt_simple()
1778 	int			retval = 0;  in toggle_sync_simple()  local
1796 	retval = test_toggle_sync(dev, ep, urb);  in toggle_sync_simple()
1799 	return retval;  in toggle_sync_simple()
1816 	int			retval;  in ctrl_out()  local
1831 	retval = 0;  in ctrl_out()
1840 		retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in ctrl_out()
1843 		if (retval != len) {  in ctrl_out()
1845 			if (retval >= 0) {  in ctrl_out()
1847 						retval, len);  in ctrl_out()
1848 				retval = -EBADMSG;  in ctrl_out()
1854 		retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in ctrl_out()
1857 		if (retval != len) {  in ctrl_out()
1859 			if (retval >= 0) {  in ctrl_out()
1861 						retval, len);  in ctrl_out()
1862 				retval = -EBADMSG;  in ctrl_out()
1872 				retval = -EBADMSG;  in ctrl_out()
1876 		if (retval < 0) {  in ctrl_out()
1891 	if (retval < 0)  in ctrl_out()
1893 			what, retval, i);  in ctrl_out()
1896 	return retval;  in ctrl_out()
2138 	int retval;  in test_unaligned_bulk()  local
2145 	retval = simple_io(tdev, urb, iterations, 0, 0, label);  in test_unaligned_bulk()
2147 	return retval;  in test_unaligned_bulk()
2160 	int	retval = -EOPNOTSUPP;  in usbtest_do_ioctl()  local
2179 		retval = 0;  in usbtest_do_ioctl()
2191 			retval = -ENOMEM;  in usbtest_do_ioctl()
2195 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test1");  in usbtest_do_ioctl()
2206 			retval = -ENOMEM;  in usbtest_do_ioctl()
2210 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test2");  in usbtest_do_ioctl()
2221 			retval = -ENOMEM;  in usbtest_do_ioctl()
2225 		retval = simple_io(dev, urb, param->iterations, param->vary,  in usbtest_do_ioctl()
2237 			retval = -ENOMEM;  in usbtest_do_ioctl()
2241 		retval = simple_io(dev, urb, param->iterations, param->vary,  in usbtest_do_ioctl()
2257 			retval = -ENOMEM;  in usbtest_do_ioctl()
2261 		retval = perform_sglist(dev, param->iterations, dev->out_pipe,  in usbtest_do_ioctl()
2276 			retval = -ENOMEM;  in usbtest_do_ioctl()
2280 		retval = perform_sglist(dev, param->iterations, dev->in_pipe,  in usbtest_do_ioctl()
2294 			retval = -ENOMEM;  in usbtest_do_ioctl()
2298 		retval = perform_sglist(dev, param->iterations, dev->out_pipe,  in usbtest_do_ioctl()
2312 			retval = -ENOMEM;  in usbtest_do_ioctl()
2316 		retval = perform_sglist(dev, param->iterations, dev->in_pipe,  in usbtest_do_ioctl()
2323 		retval = 0;  in usbtest_do_ioctl()
2327 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2328 			retval = ch9_postconfig(dev);  in usbtest_do_ioctl()
2329 		if (retval)  in usbtest_do_ioctl()
2336 		retval = 0;  in usbtest_do_ioctl()
2341 		retval = test_ctrl_queue(dev, param);  in usbtest_do_ioctl()
2348 		retval = 0;  in usbtest_do_ioctl()
2351 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2352 			retval = unlink_simple(dev, dev->in_pipe,  in usbtest_do_ioctl()
2354 		if (retval)  in usbtest_do_ioctl()
2356 				"iterations left %d\n", retval, i);  in usbtest_do_ioctl()
2361 		retval = 0;  in usbtest_do_ioctl()
2364 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2365 			retval = unlink_simple(dev, dev->out_pipe,  in usbtest_do_ioctl()
2367 		if (retval)  in usbtest_do_ioctl()
2369 				"iterations left %d\n", retval, i);  in usbtest_do_ioctl()
2376 		retval = 0;  in usbtest_do_ioctl()
2379 		for (i = param->iterations; retval == 0 && i--; /* NOP */)  in usbtest_do_ioctl()
2380 			retval = halt_simple(dev);  in usbtest_do_ioctl()
2382 		if (retval)  in usbtest_do_ioctl()
2394 		retval = ctrl_out(dev, param->iterations,  in usbtest_do_ioctl()
2407 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2420 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2434 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2447 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2461 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2474 		retval = test_unaligned_bulk(  in usbtest_do_ioctl()
2489 		retval = ctrl_out(dev, param->iterations,  in usbtest_do_ioctl()
2501 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2512 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2520 		retval = 0;  in usbtest_do_ioctl()
2524 		for (i = param->iterations; retval == 0 && i > 0; --i) {  in usbtest_do_ioctl()
2525 			retval = unlink_queued(dev, dev->out_pipe,  in usbtest_do_ioctl()
2527 			if (retval) {  in usbtest_do_ioctl()
2530 					"iterations left %d\n", retval, i);  in usbtest_do_ioctl()
2546 			retval = -ENOMEM;  in usbtest_do_ioctl()
2550 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test25");  in usbtest_do_ioctl()
2562 			retval = -ENOMEM;  in usbtest_do_ioctl()
2566 		retval = simple_io(dev, urb, param->iterations, 0, 0, "test26");  in usbtest_do_ioctl()
2576 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2585 		retval = test_queue(dev, param,  in usbtest_do_ioctl()
2592 		retval = 0;  in usbtest_do_ioctl()
2595 		for (i = param->iterations; retval == 0 && i > 0; --i)  in usbtest_do_ioctl()
2596 			retval = toggle_sync_simple(dev);  in usbtest_do_ioctl()
2598 		if (retval)  in usbtest_do_ioctl()
2603 	return retval;  in usbtest_do_ioctl()
2640 	int retval = -EOPNOTSUPP;  in usbtest_ioctl()  local
2657 			retval = -ENODEV;  in usbtest_ioctl()
2660 		retval = set_altsetting(dev, dev->info->alt);  in usbtest_ioctl()
2661 		if (retval) {  in usbtest_ioctl()
2664 					dev->info->alt, retval);  in usbtest_ioctl()
2683 		retval = -EOPNOTSUPP;  in usbtest_ioctl()
2689 	retval = usbtest_do_ioctl(intf, param_32);  in usbtest_ioctl()
2690 	if (retval < 0)  in usbtest_ioctl()
2714 	return retval;  in usbtest_ioctl()