1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
index 58597993954f..f19cf9d7792d 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/char/tty_ioctl.c
@@ -476,11 +476,11 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
                         ld = tty_ldisc_ref(tty);
                         switch (arg) {
                         case TCIFLUSH:
-                                if (ld->flush_buffer)
+                                if (ld && ld->flush_buffer)
                                         ld->flush_buffer(tty);
                                 break;
                         case TCIOFLUSH:
-                                if (ld->flush_buffer)
+                                if (ld && ld->flush_buffer)
                                         ld->flush_buffer(tty);
                                 /* fall through */
                         case TCOFLUSH: