diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index e7134a5..d33520d 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -220,6 +220,9 @@
 			return -EOPNOTSUPP;
 		if (get_user(val, p))
 			return -EFAULT;
+		if ((wdd->max_timeout != 0) &&
+		    (val < wdd->min_timeout || val > wdd->max_timeout))
+				return -EINVAL;
 		err = wdd->ops->set_timeout(wdd, val);
 		if (err < 0)
 			return err;