tty: add throttle/unthrottle helpers

Something Arjan suggested which allows us to clean up the code nicely

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index a6c2619ec782..e5cd856a2fea 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -370,9 +370,7 @@ static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data, char *f
         hu->hdev->stat.byte_rx += count;
         spin_unlock(&hu->rx_lock);
 
-        if (test_and_clear_bit(TTY_THROTTLED, &tty->flags) &&
-                                        tty->ops->unthrottle)
-                tty->ops->unthrottle(tty);
+        tty_unthrottle(tty);
 }
 
 static int hci_uart_register_dev(struct hci_uart *hu)