1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 8481b29d5b3a..cc0fc52787c7 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/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);