349 	if (s->busy) {  in resize_async_buffer()
743 		s->busy = NULL;  in do_become_nonbusy()
748 		s->busy = NULL;  in do_become_nonbusy()
792 		if (s->busy)  in is_device_busy()
1009 		if (s->busy)  in do_subdinfo_ioctl()
1011 		if (s->busy == file)  in do_subdinfo_ioctl()
1125 	if (!async || s->busy != file)  in do_bufinfo_ioctl()
1424 		if (s->busy) {  in parse_insn()
1429 		s->busy = parse_insn;  in parse_insn()
1497 		s->busy = NULL;  in parse_insn()
1771 	if (s->busy) {  in do_cmd_ioctl()
1823 	s->busy = file;  in do_cmd_ioctl()
1912 	if (s->busy || s->lock)  in do_lock_ioctl()
1944 	if (s->busy)  in do_unlock_ioctl()
1981 	if (!s->busy)  in do_cancel_ioctl()
1984 	if (s->busy != file)  in do_cancel_ioctl()
2013 	if (!s->busy)  in do_poll_ioctl()
2016 	if (s->busy != file)  in do_poll_ioctl()
2060 	if (s_old && s_old->busy == file && s_old->async &&  in do_setrsubd_ioctl()
2103 	if (s_old && s_old->busy == file && s_old->async &&  in do_setwsubd_ioctl()
2438 		if (s->busy != file || !comedi_is_subdevice_running(s) ||  in comedi_poll()
2450 		if (s->busy != file || !comedi_is_subdevice_running(s) ||  in comedi_poll()
2494 	if (s->busy != file || !(async->cmd.flags & CMDF_WRITE)) {  in comedi_write()
2532 			if (s->busy != file ||  in comedi_write()
2584 		    s == new_s && new_s->async == async && s->busy == file &&  in comedi_write()
2630 	if (s->busy != file || (async->cmd.flags & CMDF_WRITE)) {  in comedi_read()
2666 			if (s->busy != file ||  in comedi_read()
2720 		    s == new_s && new_s->async == async && s->busy == file &&  in comedi_read()
2809 			if (s->busy == file)  in comedi_close()