cris: Fix compile failure due to typo in serial driver

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index f9fa237..3e0366e 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -3808,7 +3808,7 @@
 
 	shutdown(info);
 	rs_flush_buffer(tty);
-	tty_ldisc_flush_buffer(tty);
+	tty_ldisc_flush(tty);
 	tty->closing = 0;
 	info->event = 0;
 	info->tty = 0;