diff --git a/[refs] b/[refs]
index 7181af8c4494..e21868d62a43 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 33aeb9da1b5248c8ffce046be4e992ff5d97d529
+refs/heads/master: a1bf9584429d61b7096f93ae09325e1ba538e9e8
diff --git a/trunk/drivers/tty/tty_ioctl.c b/trunk/drivers/tty/tty_ioctl.c
index 8481b29d5b3a..cc0fc52787c7 100644
--- a/trunk/drivers/tty/tty_ioctl.c
+++ b/trunk/drivers/tty/tty_ioctl.c
@@ -1096,12 +1096,16 @@ int tty_perform_flush(struct tty_struct *tty, unsigned long arg)
 	ld = tty_ldisc_ref_wait(tty);
 	switch (arg) {
 	case TCIFLUSH:
-		if (ld && ld->ops->flush_buffer)
+		if (ld && ld->ops->flush_buffer) {
 			ld->ops->flush_buffer(tty);
+			tty_unthrottle(tty);
+		}
 		break;
 	case TCIOFLUSH:
-		if (ld && ld->ops->flush_buffer)
+		if (ld && ld->ops->flush_buffer) {
 			ld->ops->flush_buffer(tty);
+			tty_unthrottle(tty);
+		}
 		/* fall through */
 	case TCOFLUSH:
 		tty_driver_flush_buffer(tty);