--- a/drivers/cbus/retu-wdt.c
+++ b/drivers/cbus/retu-wdt.c
@@ -124,9 +124,9 @@ static int retu_wdt_release(struct inode
 	struct retu_wdt_dev *wdev = file->private_data;
 
 #ifndef CONFIG_WATCHDOG_NOWAYOUT
-	retu_wdt_ping_enable(retu_wdt);
+	retu_wdt_ping_enable(wdev);
 #endif
-	clear_bit(0, &retu_wdt->users);
+	clear_bit(0, &wdev->users);
 
 	return 0;
 }
