diff options
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 531e539dbfcf..60b076cc4e20 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -149,8 +149,11 @@ static void n_tty_set_room(struct tty_struct *tty) tty->receive_room = left; /* Did this open up the receive buffer? We may need to flip */ - if (left && !old_left) - schedule_work(&tty->buf.work); + if (left && !old_left) { + WARN_RATELIMIT(tty->port->itty == NULL, + "scheduling with invalid itty"); + schedule_work(&tty->port->buf.work); + } } static void put_tty_queue_nolock(unsigned char c, struct n_tty_data *ldata) |