hung_up_tty_fops 502 drivers/tty/tty_io.c static const struct file_operations hung_up_tty_fops = { hung_up_tty_fops 615 drivers/tty/tty_io.c filp->f_op = &hung_up_tty_fops; hung_up_tty_fops 747 drivers/tty/tty_io.c return (filp && filp->f_op == &hung_up_tty_fops);