From e222cd165b96b371f3638ca17e537bbb6a393433 Mon Sep 17 00:00:00 2001
From: Guilherme Lawless <guilherme@nano.org>
Date: Thu, 7 May 2020 15:42:36 +0100
Subject: [PATCH] [TSAN] Fix race in local_vote_history::size

---
 nano/node/voting.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nano/node/voting.cpp b/nano/node/voting.cpp
index 4fc49df646..9af587faae 100644
--- a/nano/node/voting.cpp
+++ b/nano/node/voting.cpp
@@ -103,6 +103,7 @@ void nano::local_vote_history::clean ()
 
 size_t nano::local_vote_history::size () const
 {
+	nano::lock_guard<std::mutex> guard (mutex);
 	return history.size ();
 }