diff options
Diffstat (limited to 'drivers/tty/pty.c')
| -rw-r--r-- | drivers/tty/pty.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index f882ac81b93a..0e273158edac 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -212,10 +212,16 @@ static int pty_signal(struct tty_struct *tty, int sig) static void pty_flush_buffer(struct tty_struct *tty) { struct tty_struct *to = tty->link; + struct tty_ldisc *ld; if (!to) return; - /* tty_buffer_flush(to); FIXME */ + + ld = tty_ldisc_ref(to); + tty_buffer_flush(to, ld); + if (ld) + tty_ldisc_deref(ld); + if (to->packet) { spin_lock_irq(&tty->ctrl_lock); tty->ctrl_status |= TIOCPKT_FLUSHWRITE; @@ -425,6 +431,8 @@ static int pty_common_install(struct tty_driver *driver, struct tty_struct *tty, tty->port = ports[1]; o_tty->port->itty = o_tty; + tty_buffer_set_lock_subclass(o_tty->port); + tty_driver_kref_get(driver); tty->count++; o_tty->count++; |