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les: add missing lock around peer access

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Péter Szilágyi 2018-02-14 21:09:20 +02:00
parent ff225db813
commit dfc5842a89
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1 changed files with 3 additions and 0 deletions
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3
les/fetcher.go
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@ -425,6 +425,9 @@ func (f *lightFetcher) nextRequest() (*distReq, uint64) {
}, },
canSend: func(dp distPeer) bool { canSend: func(dp distPeer) bool {
p := dp.(*peer) p := dp.(*peer)
f.lock.Lock()
defer f.lock.Unlock()
fp := f.peers[p] fp := f.peers[p]
return fp != nil && fp.nodeByHash[bestHash] != nil return fp != nil && fp.nodeByHash[bestHash] != nil
}, },