--- a/bin/pvl.dns-zone	Wed Sep 11 13:34:23 2013 +0300
+++ b/bin/pvl.dns-zone	Wed Sep 11 14:01:57 2013 +0300
@@ -317,8 +317,8 @@
         return 0
 
     else :
+        # pass-through
         log.warn("Nothing to do")
-        return 1
 
     write_zone_records(output, zone)