TTY_HUPPING      2212 drivers/tty/n_tty.c 				if (test_bit(TTY_HUPPING, &tty->flags))
TTY_HUPPING       598 drivers/tty/tty_io.c 	set_bit(TTY_HUPPING, &tty->flags);
TTY_HUPPING       654 drivers/tty/tty_io.c 	clear_bit(TTY_HUPPING, &tty->flags);