From a013f02df2329fafc08f23cd623df6afa7471d20 Mon Sep 17 00:00:00 2001
From: wangxiang <scottwangsxll@gmail.com>
Date: Wed, 8 Jan 2020 01:08:22 +0800
Subject: [PATCH] whisper/whisperv6: fix peer time.Ticker leak (#20520)

---
 whisper/whisperv6/peer.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/whisper/whisperv6/peer.go b/whisper/whisperv6/peer.go
index 4451f1495..29d8bdf17 100644
--- a/whisper/whisperv6/peer.go
+++ b/whisper/whisperv6/peer.go
@@ -146,7 +146,9 @@ func (peer *Peer) handshake() error {
 func (peer *Peer) update() {
 	// Start the tickers for the updates
 	expire := time.NewTicker(expirationCycle)
+	defer expire.Stop()
 	transmit := time.NewTicker(transmissionCycle)
+	defer transmit.Stop()
 
 	// Loop and transmit until termination is requested
 	for {