From f77a8b9e171c648080d9cb3ee23cae328fcdcd89 Mon Sep 17 00:00:00 2001
From: Bob Lantz <rlantz@cs.stanford.edu>
Date: Wed, 4 Feb 2015 10:55:41 -0800
Subject: [PATCH] Fix customConstructor to work correctly with newargs

---
 mininet/util.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mininet/util.py b/mininet/util.py
index 69052fd..517e0db 100644
--- a/mininet/util.py
+++ b/mininet/util.py
@@ -551,10 +551,11 @@ def customConstructor( constructors, argStr ):
             params.update( kwargs )
             if not newargs:
                 cls.__init__( self, name, *args, **params )
+                return
             if args:
                 warn( 'warning: %s replacing %s with %s\n' %
                       ( constructor, args, newargs ) )
-                cls.__init__( self, name, *newargs, **params )
+            cls.__init__( self, name, *newargs, **params )
 
     CustomClass.__name__ = '%s%s' % ( cls.__name__, kwargs )
     return CustomClass