les: fix distReq.sentChn double close bug (#17639)

2018-09-14 22:14:29 +02:00 · 2018-09-14 22:14:29 +02:00 · d4a28a13ca
commit d4a28a13ca
parent 86a03f97d3
1 changed files with 3 additions and 1 deletions
--- 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()