From eaa420411d45469bd84fb38f29ffd3f1ef8b080d Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Wed, 29 Aug 2018 23:12:47 +0200
Subject: [PATCH] fix a deadlock

---
 common/task/periodic.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/task/periodic.go b/common/task/periodic.go
index 23f559c1a..a646300f8 100644
--- a/common/task/periodic.go
+++ b/common/task/periodic.go
@@ -54,6 +54,7 @@ func (t *Periodic) checkedExecute() error {
 func (t *Periodic) Start() error {
 	t.access.Lock()
 	if t.running {
+		t.access.Unlock()
 		return nil
 	}
 	t.running = true