diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index f44f1ba762c3..89c4cee253e3 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1166,7 +1166,7 @@ static void n_tty_receive_break(struct tty_struct *tty) } put_tty_queue('\0', ldata); if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible(&tty->read_wait); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); } /** @@ -1226,7 +1226,7 @@ static void n_tty_receive_parity_error(struct tty_struct *tty, unsigned char c) } else put_tty_queue(c, ldata); if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible(&tty->read_wait); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); } static void @@ -1378,7 +1378,7 @@ handle_newline: ldata->canon_head = ldata->read_head; kill_fasync(&tty->fasync, SIGIO, POLL_IN); if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible(&tty->read_wait); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); return 0; } } @@ -1679,7 +1679,7 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, L_EXTPROC(tty)) { kill_fasync(&tty->fasync, SIGIO, POLL_IN); if (waitqueue_active(&tty->read_wait)) - wake_up_interruptible(&tty->read_wait); + wake_up_interruptible_poll(&tty->read_wait, POLLIN); } }