From 91b92eba2fc39935a48d3e504f14e782a6b333be Mon Sep 17 00:00:00 2001
From: deads2k <deads@redhat.com>
Date: Tue, 10 Mar 2015 14:22:43 -0400
Subject: [PATCH] eliminate wait with no nodes

---
 pkg/cloudprovider/controller/nodecontroller.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/cloudprovider/controller/nodecontroller.go b/pkg/cloudprovider/controller/nodecontroller.go
index b164ddbef7339..9e6709bd23cfb 100644
--- a/pkg/cloudprovider/controller/nodecontroller.go
+++ b/pkg/cloudprovider/controller/nodecontroller.go
@@ -141,6 +141,10 @@ func (s *NodeController) Run(period time.Duration, syncNodeList, syncNodeStatus
 
 // RegisterNodes registers the given list of nodes, it keeps retrying for `retryCount` times.
 func (s *NodeController) RegisterNodes(nodes *api.NodeList, retryCount int, retryInterval time.Duration) error {
+	if len(nodes.Items) == 0 {
+		return nil
+	}
+
 	registered := util.NewStringSet()
 	nodes = s.canonicalizeName(nodes)
 	for i := 0; i < retryCount; i++ {