806 		size_t filled;  in mtty_read()  local
819 			filled = 4;  in mtty_read()
831 			filled = 2;  in mtty_read()
843 			filled = 1;  in mtty_read()
846 		count -= filled;  in mtty_read()
847 		done += filled;  in mtty_read()
848 		*ppos += filled;  in mtty_read()
849 		buf += filled;  in mtty_read()
865 		size_t filled;  in mtty_write()  local
878 			filled = 4;  in mtty_write()
890 			filled = 2;  in mtty_write()
902 			filled = 1;  in mtty_write()
904 		count -= filled;  in mtty_write()
905 		done += filled;  in mtty_write()
906 		*ppos += filled;  in mtty_write()
907 		buf += filled;  in mtty_write()