diff --git a/[refs] b/[refs]
index f872394468e0..c87029a98174 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6330c7070be6783b82025d2bc259db8413c00182
+refs/heads/master: 60403f7a4d9368d187f79cba5e4672d01df37574
diff --git a/trunk/drivers/watchdog/watchdog_dev.c b/trunk/drivers/watchdog/watchdog_dev.c
index 08b48bbf9f4b..faf4e189fe42 100644
--- a/trunk/drivers/watchdog/watchdog_dev.c
+++ b/trunk/drivers/watchdog/watchdog_dev.c
@@ -523,6 +523,7 @@ int watchdog_dev_register(struct watchdog_device *watchdog)
 	int err, devno;
 
 	if (watchdog->id == 0) {
+		old_wdd = watchdog;
 		watchdog_miscdev.parent = watchdog->parent;
 		err = misc_register(&watchdog_miscdev);
 		if (err != 0) {
@@ -531,9 +532,9 @@ int watchdog_dev_register(struct watchdog_device *watchdog)
 			if (err == -EBUSY)
 				pr_err("%s: a legacy watchdog module is probably present.\n",
 					watchdog->info->identity);
+			old_wdd = NULL;
 			return err;
 		}
-		old_wdd = watchdog;
 	}
 
 	/* Fill in the data structures */