diff options
| -rw-r--r-- | drivers/char/tty_ldisc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c index cf0bfc6b1dbd..d814a3d49af0 100644 --- a/drivers/char/tty_ldisc.c +++ b/drivers/char/tty_ldisc.c @@ -539,7 +539,7 @@ static int tty_ldisc_halt(struct tty_struct *tty) static int tty_ldisc_wait_idle(struct tty_struct *tty) { int ret; - ret = wait_event_interruptible_timeout(tty_ldisc_idle, + ret = wait_event_timeout(tty_ldisc_idle, atomic_read(&tty->ldisc->users) == 1, 5 * HZ); if (ret < 0) return ret; @@ -735,6 +735,8 @@ static int tty_ldisc_reinit(struct tty_struct *tty, int ldisc) if (IS_ERR(ld)) return -1; + WARN_ON_ONCE(tty_ldisc_wait_idle(tty)); + tty_ldisc_close(tty, tty->ldisc); tty_ldisc_put(tty->ldisc); tty->ldisc = NULL; |