diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 3530ff417a5165ef9b484d74295a3211373ed8d0..6e763e3f5a815565d57e06ab26641c4a6979856d 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -1254,7 +1254,7 @@ static int rs_break(struct tty_struct *tty, int break_state)
 	unsigned long flags;
 
 	if (serial_paranoia_check(info, tty->name, "rs_break"))
-		return;
+		return -EINVAL;
 
 	local_irq_save(flags);
 	if (break_state == -1)