diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2013-06-15 13:04:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-24 01:38:35 +0200 |
| commit | 9fbfa34c18b31978bf6bab26148f84d7a4b3ccea (patch) | |
| tree | 496f4505222dce768bf6612e0d4bd4145cafdd6f /drivers | |
| parent | tty: Replace ldisc locking with ldisc_sem (diff) | |
| download | linux-9fbfa34c18b31978bf6bab26148f84d7a4b3ccea.tar.xz linux-9fbfa34c18b31978bf6bab26148f84d7a4b3ccea.zip | |
tty: Clarify ldisc variable
Rename o_ldisc to avoid confusion with the ldisc of the
'other' tty.
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 | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index b7b8048f1253..31bd45a2d16b 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -517,7 +517,7 @@ static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old) int tty_set_ldisc(struct tty_struct *tty, int ldisc) { int retval; - struct tty_ldisc *o_ldisc, *new_ldisc; + struct tty_ldisc *old_ldisc, *new_ldisc; struct tty_struct *o_tty = tty->link; new_ldisc = tty_ldisc_get(tty, ldisc); @@ -543,7 +543,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) /* FIXME: why 'shutoff' input if the ldisc is locked? */ tty->receive_room = 0; - o_ldisc = tty->ldisc; + old_ldisc = tty->ldisc; tty_lock(tty); /* FIXME: for testing only */ @@ -558,8 +558,8 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) return -EIO; } - /* Shutdown the current discipline. */ - tty_ldisc_close(tty, o_ldisc); + /* Shutdown the old discipline. */ + tty_ldisc_close(tty, old_ldisc); /* Now set up the new line discipline. */ tty->ldisc = new_ldisc; @@ -569,17 +569,17 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) if (retval < 0) { /* Back to the old one or N_TTY if we can't */ tty_ldisc_put(new_ldisc); - tty_ldisc_restore(tty, o_ldisc); + tty_ldisc_restore(tty, old_ldisc); } /* At this point we hold a reference to the new ldisc and a a reference to the old ldisc. If we ended up flipping back to the existing ldisc we have two references to it */ - if (tty->ldisc->ops->num != o_ldisc->ops->num && tty->ops->set_ldisc) + if (tty->ldisc->ops->num != old_ldisc->ops->num && tty->ops->set_ldisc) tty->ops->set_ldisc(tty); - tty_ldisc_put(o_ldisc); + tty_ldisc_put(old_ldisc); /* * Allow ldisc referencing to occur again |