diff options
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index b280abaad91b..90eca2605fbf 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -381,28 +381,6 @@ static void n_tty_flush_buffer(struct tty_struct *tty) } /** - * n_tty_chars_in_buffer - report available bytes - * @tty: tty device - * - * Report the number of characters buffered to be delivered to user - * at this instant in time. - * - * Locking: exclusive termios_rwsem - */ - -static ssize_t n_tty_chars_in_buffer(struct tty_struct *tty) -{ - ssize_t n; - - WARN_ONCE(1, "%s is deprecated and scheduled for removal.", __func__); - - down_write(&tty->termios_rwsem); - n = chars_in_buffer(tty); - up_write(&tty->termios_rwsem); - return n; -} - -/** * is_utf8_continuation - utf8 multibyte check * @c: byte to check * @@ -2525,7 +2503,6 @@ struct tty_ldisc_ops tty_ldisc_N_TTY = { .open = n_tty_open, .close = n_tty_close, .flush_buffer = n_tty_flush_buffer, - .chars_in_buffer = n_tty_chars_in_buffer, .read = n_tty_read, .write = n_tty_write, .ioctl = n_tty_ioctl, |