diff --git a/drivers/watchdog/w83977f_wdt.c b/drivers/watchdog/w83977f_wdt.c
index 20e2bba10400910cfbd86a68d3d6f988b9d77dec..672b61a7f9a363a1b4b403b66c505e6d2d0978e0 100644
--- a/drivers/watchdog/w83977f_wdt.c
+++ b/drivers/watchdog/w83977f_wdt.c
@@ -427,7 +427,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			return -EINVAL;
 
 		wdt_keepalive();
-		/* Fall */
+		/* Fall through */
 
 	case WDIOC_GETTIMEOUT:
 		return put_user(timeout, uarg.i);