From bad4dc2c99f5ba8f60f5a32fb7d75dd809fd6b15 Mon Sep 17 00:00:00 2001
From: BurtonQin <bobbqqin@gmail.com>
Date: Fri, 14 Feb 2020 17:22:07 +0800
Subject: [PATCH] cmd/faucet: make a locked copy of f.reqs

---
 cmd/faucet/faucet.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cmd/faucet/faucet.go b/cmd/faucet/faucet.go
index 09968f8e38..e86f8533d0 100644
--- a/cmd/faucet/faucet.go
+++ b/cmd/faucet/faucet.go
@@ -361,17 +361,17 @@ func (f *faucet) apiHandler(w http.ResponseWriter, r *http.Request) {
 	}
 	// Send over the initial stats and the latest header
 	f.lock.RLock()
+	reqs := f.reqs
+	f.lock.RUnlock()
 	if err = send(conn, map[string]interface{}{
 		"funds":    new(big.Int).Div(balance, ether),
 		"funded":   nonce,
 		"peers":    f.stack.Server().PeerCount(),
-		"requests": f.reqs,
+		"requests": reqs,
 	}, 3*time.Second); err != nil {
 		log.Warn("Failed to send initial stats to client", "err", err)
-		f.lock.RUnlock()
 		return
 	}
-	f.lock.RUnlock()
 	if err = send(conn, head, 3*time.Second); err != nil {
 		log.Warn("Failed to send initial header to client", "err", err)
 		return