1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 2bba250ffc8e..d3d7864e0c1e 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -374,12 +374,13 @@ copy:
         return ret;
 }
 
-static void moxa_break_ctl(struct tty_struct *tty, int state)
+static int moxa_break_ctl(struct tty_struct *tty, int state)
 {
         struct moxa_port *port = tty->driver_data;
 
         moxafunc(port->tableAddr, state ? FC_SendBreak : FC_StopBreak,
                         Magic_code);
+        return 0;
 }
 
 static const struct tty_operations moxa_ops = {