130 	int retval = 0;  in usbtmc_open()  local
144 	return retval;  in usbtmc_open()
386 	int retval;  in send_request_dev_dep_msg_in()  local
411 	retval = usb_bulk_msg(data->usb_dev,  in send_request_dev_dep_msg_in()
425 	if (retval < 0) {  in send_request_dev_dep_msg_in()
426 		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()
427 		return retval;  in send_request_dev_dep_msg_in()
443 	int retval;  in usbtmc_read()  local
456 		retval = -ENODEV;  in usbtmc_read()
463 		retval = send_request_dev_dep_msg_in(data, count);  in usbtmc_read()
465 		if (retval < 0) {  in usbtmc_read()
486 			retval = send_request_dev_dep_msg_in(data, this_part);  in usbtmc_read()
487 			if (retval < 0) {  in usbtmc_read()
488 			dev_err(dev, "usb_bulk_msg returned %d\n", retval);  in usbtmc_read()
496 		retval = usb_bulk_msg(data->usb_dev,  in usbtmc_read()
502 …dev_dbg(dev, "usb_bulk_msg: retval(%u), done(%zu), remaining(%zu), actual(%d)\n", retval, done, re…  in usbtmc_read()
507 		if (retval < 0) {  in usbtmc_read()
508 			dev_dbg(dev, "Unable to read data, error %d\n", retval);  in usbtmc_read()
584 				retval = -EFAULT;  in usbtmc_read()
600 				retval = -EFAULT;  in usbtmc_read()
609 	retval = done;  in usbtmc_read()
614 	return retval;  in usbtmc_read()
622 	int retval;  in usbtmc_write()  local
637 		retval = -ENODEV;  in usbtmc_write()
668 			retval = -EFAULT;  in usbtmc_write()
676 			retval = usb_bulk_msg(data->usb_dev,  in usbtmc_write()
681 			if (retval != 0)  in usbtmc_write()
692 		if (retval < 0) {  in usbtmc_write()
694 				"Unable to send data, error %d\n", retval);  in usbtmc_write()
704 	retval = count;  in usbtmc_write()
708 	return retval;  in usbtmc_write()
1039 	int retval = -EBADRQC;  in usbtmc_ioctl()  local
1044 		retval = -ENODEV;  in usbtmc_ioctl()
1050 		retval = usbtmc_ioctl_clear_out_halt(data);  in usbtmc_ioctl()
1054 		retval = usbtmc_ioctl_clear_in_halt(data);  in usbtmc_ioctl()
1058 		retval = usbtmc_ioctl_indicator_pulse(data);  in usbtmc_ioctl()
1062 		retval = usbtmc_ioctl_clear(data);  in usbtmc_ioctl()
1066 		retval = usbtmc_ioctl_abort_bulk_out(data);  in usbtmc_ioctl()
1070 		retval = usbtmc_ioctl_abort_bulk_in(data);  in usbtmc_ioctl()
1076 	return retval;  in usbtmc_ioctl()