From b7cc43783b6bac759dd3ca04dd3d84817db51e07 Mon Sep 17 00:00:00 2001
From: ucwong <ucwong@126.com>
Date: Wed, 1 Apr 2020 11:23:08 +0800
Subject: [PATCH] whisper/whisperv6 | defer expire ticker stop added

---
 whisper/whisperv6/whisper.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/whisper/whisperv6/whisper.go b/whisper/whisperv6/whisper.go
index a7787ca69f..d5e76d994c 100644
--- a/whisper/whisperv6/whisper.go
+++ b/whisper/whisperv6/whisper.go
@@ -894,6 +894,7 @@ func (whisper *Whisper) processQueue() {
 func (whisper *Whisper) update() {
 	// Start a ticker to check for expirations
 	expire := time.NewTicker(expirationCycle)
+	defer expire.Stop()
 
 	// Repeat updates until termination is requested
 	for {