diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2016-01-10 22:41:03 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-27 15:01:44 -0800 |
| commit | 6ffeb4b2782b31f3d7158795a451ad371955e8a2 (patch) | |
| tree | d916a0ca6a8629aaa6e3f8df1757f26fbba1ed83 /drivers | |
| parent | a570a49abd343102ce681bbf8273897c3c9fd2d1 (diff) | |
| download | lwn-6ffeb4b2782b31f3d7158795a451ad371955e8a2.tar.gz lwn-6ffeb4b2782b31f3d7158795a451ad371955e8a2.zip | |
tty: Move tty_ldisc_kill()
In preparation for destroying the line discipline instance on hangup,
move tty_ldisc_kill() to eliminate needless forward declarations.
No functional change.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/tty_ldisc.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 982af70c95ce..eac33e104ccc 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -601,6 +601,25 @@ err: } /** + * tty_ldisc_kill - teardown ldisc + * @tty: tty being released + * + * Perform final close of the ldisc and reset tty->ldisc + */ +static void tty_ldisc_kill(struct tty_struct *tty) +{ + if (!tty->ldisc) + return; + /* + * Now kill off the ldisc + */ + tty_ldisc_close(tty, tty->ldisc); + tty_ldisc_put(tty->ldisc); + /* Force an oops if we mess this up */ + tty->ldisc = NULL; +} + +/** * tty_reset_termios - reset terminal state * @tty: tty to reset * @@ -747,19 +766,6 @@ int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty) return 0; } -static void tty_ldisc_kill(struct tty_struct *tty) -{ - if (!tty->ldisc) - return; - /* - * Now kill off the ldisc - */ - tty_ldisc_close(tty, tty->ldisc); - tty_ldisc_put(tty->ldisc); - /* Force an oops if we mess this up */ - tty->ldisc = NULL; -} - /** * tty_ldisc_release - release line discipline * @tty: tty being shut down (or one end of pty pair) |