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| author | Alan Cox <alan@linux.intel.com> | 2009-06-16 20:00:40 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 23:01:15 +0400 |
| commit | 52856ed732aeab5e8e0b7c9e2a7a3d31736218ab (patch) | |
| tree | e88a29287846120b5943423bd76b9ace7d3426b3 /drivers/char/tty_ldisc.c | |
| parent | 8d2ead743dd54dff1fe3d0f4933e5da8bfe07472 (diff) | |
| download | linux-52856ed732aeab5e8e0b7c9e2a7a3d31736218ab.tar.xz | |
ldisc: Make sure the ldisc isn't active when we close it
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/tty_ldisc.c')
| -rw-r--r-- | drivers/char/tty_ldisc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c index 94b3e06d73ec..874c2486c034 100644 --- a/drivers/char/tty_ldisc.c +++ b/drivers/char/tty_ldisc.c @@ -793,6 +793,8 @@ void tty_ldisc_hangup(struct tty_struct *tty) /* Avoid racing set_ldisc */ mutex_lock(&tty->ldisc_mutex); /* Switch back to N_TTY */ + tty_ldisc_halt(tty); + tty_ldisc_wait_idle(tty); tty_ldisc_reinit(tty); /* At this point we have a closed ldisc and we want to reopen it. We could defer this to the next open but |