129 	int retval = 0;  in usbtmc_open()  local
143 	return retval;  in usbtmc_open()
385 	int retval;  in send_request_dev_dep_msg_in()  local
410 	retval = usb_bulk_msg(data->usb_dev,  in send_request_dev_dep_msg_in()
424 	if (retval < 0) {  in send_request_dev_dep_msg_in()
425 		dev_err(&data->intf->dev, "usb_bulk_msg in send_request_dev_dep_msg_in() returned %d\n", retval);  in send_request_dev_dep_msg_in()
426 		return retval;  in send_request_dev_dep_msg_in()
442 	int retval;  in usbtmc_read()  local
455 		retval = -ENODEV;  in usbtmc_read()
462 		retval = send_request_dev_dep_msg_in(data, count);  in usbtmc_read()
464 		if (retval < 0) {  in usbtmc_read()
485 			retval = send_request_dev_dep_msg_in(data, this_part);  in usbtmc_read()
486 			if (retval < 0) {  in usbtmc_read()
487 			dev_err(dev, "usb_bulk_msg returned %d\n", retval);  in usbtmc_read()
495 		retval = usb_bulk_msg(data->usb_dev,  in usbtmc_read()
501 …dev_dbg(dev, "usb_bulk_msg: retval(%u), done(%zu), remaining(%zu), actual(%d)\n", retval, done, re…  in usbtmc_read()
506 		if (retval < 0) {  in usbtmc_read()
507 			dev_dbg(dev, "Unable to read data, error %d\n", retval);  in usbtmc_read()
583 				retval = -EFAULT;  in usbtmc_read()
599 				retval = -EFAULT;  in usbtmc_read()
608 	retval = done;  in usbtmc_read()
613 	return retval;  in usbtmc_read()
621 	int retval;  in usbtmc_write()  local
636 		retval = -ENODEV;  in usbtmc_write()
667 			retval = -EFAULT;  in usbtmc_write()
675 			retval = usb_bulk_msg(data->usb_dev,  in usbtmc_write()
680 			if (retval != 0)  in usbtmc_write()
691 		if (retval < 0) {  in usbtmc_write()
693 				"Unable to send data, error %d\n", retval);  in usbtmc_write()
703 	retval = count;  in usbtmc_write()
707 	return retval;  in usbtmc_write()
1038 	int retval = -EBADRQC;  in usbtmc_ioctl()  local
1043 		retval = -ENODEV;  in usbtmc_ioctl()
1049 		retval = usbtmc_ioctl_clear_out_halt(data);  in usbtmc_ioctl()
1053 		retval = usbtmc_ioctl_clear_in_halt(data);  in usbtmc_ioctl()
1057 		retval = usbtmc_ioctl_indicator_pulse(data);  in usbtmc_ioctl()
1061 		retval = usbtmc_ioctl_clear(data);  in usbtmc_ioctl()
1065 		retval = usbtmc_ioctl_abort_bulk_out(data);  in usbtmc_ioctl()
1069 		retval = usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_ioctl()
1075 	return retval;  in usbtmc_ioctl()