From 8b0a88d5912ab549d5adac2c8498ecdaae5319a5 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:42:19 +0100 Subject: tty: More driver operations We have the lookup operation abstracted which is nice for pty cleanup but we really want to abstract the add/remove entries as well so that we can pull the pty code out of the tty core and create a clear defined interface for the tty driver table. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/char/pty.c') diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 0fdfa0517140..4e6490bda751 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -433,8 +433,22 @@ static void pty_shutdown(struct tty_struct *tty) kfree(tty->termios_locked); } +/* We have no need to install and remove our tty objects as devpts does all + the work for us */ + +static int pty_install(struct tty_driver *driver, struct tty_struct *tty) +{ + return 0; +} + +static void pty_remove(struct tty_driver *driver, struct tty_struct *tty) +{ +} + static const struct tty_operations ptm_unix98_ops = { .lookup = ptm_unix98_lookup, + .install = pty_install, + .remove = pty_remove, .open = pty_open, .close = pty_close, .write = pty_write, @@ -449,6 +463,8 @@ static const struct tty_operations ptm_unix98_ops = { static const struct tty_operations pty_unix98_ops = { .lookup = pts_unix98_lookup, + .install = pty_install, + .remove = pty_remove, .open = pty_open, .close = pty_close, .write = pty_write, -- cgit v1.2.3