diff options
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r-- | drivers/tty/n_tty.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 0ad32888091c..39d6ab6551e0 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -185,7 +185,6 @@ static void reset_buffer_flags(struct tty_struct *tty) tty->canon_head = tty->canon_data = tty->erasing = 0; memset(&tty->read_flags, 0, sizeof tty->read_flags); n_tty_set_room(tty); - check_unthrottle(tty); } /** @@ -1587,6 +1586,7 @@ static int n_tty_open(struct tty_struct *tty) return -ENOMEM; } reset_buffer_flags(tty); + tty_unthrottle(tty); tty->column = 0; n_tty_set_termios(tty, NULL); tty->minimum_to_wake = 1; @@ -1815,6 +1815,7 @@ do_it_again: /* FIXME: does n_tty_set_room need locking ? */ n_tty_set_room(tty); timeout = schedule_timeout(timeout); + BUG_ON(!tty->read_buf); continue; } __set_current_state(TASK_RUNNING); |