From c0f4811879769f642a1419d1d5dece45a37ca991 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kurk=C3=B3=20Mih=C3=A1ly?= <kurkomisi@yahoo.com>
Date: Tue, 19 Feb 2019 19:17:30 +0200
Subject: [PATCH] p2p: missing lock

---
 p2p/metrics.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/p2p/metrics.go b/p2p/metrics.go
index 7989c3b2cf..27bd8a95eb 100644
--- a/p2p/metrics.go
+++ b/p2p/metrics.go
@@ -191,10 +191,13 @@ func (c *meteredConn) encHandshakeDone(id enode.ID) {
 
 // peerAdded is called after the connection passes the protocol handshake.
 func (c *meteredConn) peerAdded(info *PeerInfo) {
+	c.lock.RLock()
+	id := c.id
+	c.lock.RUnlock()
 	meteredPeerFeed.Send(MeteredPeerEvent{
 		Type: PeerProtoHandshakeSucceeded,
 		Addr: c.addr.String(),
-		ID:   c.id,
+		ID:   id,
 		Info: info,
 	})
 }