diff --git a/[refs] b/[refs]
index 322f7aa3e891..badcbac38ec0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c8381c15b14b7c2d212c182d3b9b3fa7217994da
+refs/heads/master: 7962fce9a052f34390b6dab9f11df1d2e48c138d
diff --git a/trunk/drivers/tty/n_hdlc.c b/trunk/drivers/tty/n_hdlc.c
index cea56033b34c..a09ce3ef5d74 100644
--- a/trunk/drivers/tty/n_hdlc.c
+++ b/trunk/drivers/tty/n_hdlc.c
@@ -417,7 +417,7 @@ static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
 				__FILE__,__LINE__,tbuf,tbuf->count);
 			
 		/* Send the next block of data to device */
-		tty->flags |= (1 << TTY_DO_WRITE_WAKEUP);
+		set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
 		actual = tty->ops->write(tty, tbuf->buf, tbuf->count);
 
 		/* rollback was possible and has been done */
@@ -459,7 +459,7 @@ static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
 	}
 	
 	if (!tbuf)
-		tty->flags  &= ~(1 << TTY_DO_WRITE_WAKEUP);
+		clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
 	
 	/* Clear the re-entry flag */
 	spin_lock_irqsave(&n_hdlc->tx_buf_list.spinlock, flags);
@@ -491,7 +491,7 @@ static void n_hdlc_tty_wakeup(struct tty_struct *tty)
 		return;
 
 	if (tty != n_hdlc->tty) {
-		tty->flags &= ~(1 << TTY_DO_WRITE_WAKEUP);
+		clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
 		return;
 	}