taglinefilesource code
hangup1716drivers/char/serial.ctty->hangup = rs_hangup;
hangup272drivers/char/tty_io.cif (tty->hangup)
hangup273drivers/char/tty_io.c(tty->hangup)(tty);
hangup265include/linux/tty.hvoid (*hangup)(struct tty_struct *tty);