From 8a6fdfd6483a365000a8a8debc8de2683af602b9 Mon Sep 17 00:00:00 2001
From: Ziheng Liu <lzhfromustc@gmail.com>
Date: Mon, 28 Oct 2019 19:22:06 -0400
Subject: [PATCH] Fix a data race in registrytest

Signed-off-by: Ziheng Liu <lzhfromustc@gmail.com>
---
 pkg/registry/registrytest/node.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/registry/registrytest/node.go b/pkg/registry/registrytest/node.go
index 9186006a2fc..35791092d31 100644
--- a/pkg/registry/registrytest/node.go
+++ b/pkg/registry/registrytest/node.go
@@ -114,5 +114,7 @@ func (r *NodeRegistry) DeleteNode(ctx context.Context, nodeID string) error {
 }
 
 func (r *NodeRegistry) WatchNodes(ctx context.Context, options *metainternalversion.ListOptions) (watch.Interface, error) {
+	r.Lock()
+	defer r.Unlock()
 	return nil, r.Err
 }