diff --git a/drivers/watchdog/scx200_wdt.c b/drivers/watchdog/scx200_wdt.c
index c94098acb78f..7b5e18323f3f 100644
--- a/drivers/watchdog/scx200_wdt.c
+++ b/drivers/watchdog/scx200_wdt.c
@@ -186,7 +186,7 @@ static long scx200_wdt_ioctl(struct file *file, unsigned int cmd,
 		margin = new_margin;
 		scx200_wdt_update_margin();
 		scx200_wdt_ping();
-		/* Fall through */
+		fallthrough;
 	case WDIOC_GETTIMEOUT:
 		if (put_user(margin, p))
 			return -EFAULT;