From d4a28a13ca4c36019d23da6342e7e55b1d406fb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felf=C3=B6ldi=20Zsolt?= <zsfelfoldi@gmail.com>
Date: Fri, 14 Sep 2018 22:14:29 +0200
Subject: les: fix distReq.sentChn double close bug (#17639)

---
 les/distributor.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'les')

diff --git a/les/distributor.go b/les/distributor.go
index d3f6b21d1..f90765b62 100644
--- a/les/distributor.go
+++ b/les/distributor.go
@@ -114,7 +114,9 @@ func (d *requestDistributor) loop() {
 			d.lock.Lock()
 			elem := d.reqQueue.Front()
 			for elem != nil {
-				close(elem.Value.(*distReq).sentChn)
+				req := elem.Value.(*distReq)
+				close(req.sentChn)
+				req.sentChn = nil
 				elem = elem.Next()
 			}
 			d.lock.Unlock()
-- 
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