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add 'ps.lock.Unlock()' before return #16360

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merged 2 commits into from
Apr 11, 2018
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add 'ps.lock.Unlock()' before return #16360

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2e436fb
add ps.lock.Unlock() before return
cpusoft Mar 22, 2018
e440ece
Merge pull request #1 from ethereum/master
cpusoft Mar 29, 2018
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2 changes: 2 additions & 0 deletions les/peer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -545,9 +545,11 @@ func (ps *peerSet) notify(n peerSetNotify) {
func (ps *peerSet) Register(p *peer) error {
ps.lock.Lock()
if ps.closed {
ps.lock.Unlock()
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how about using "defer ps.lock.Unlock()"?

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I have thought about it. but ps.lock.Unlock() should be called before "for _, n := range peers {" in 561 line .
or any other good way ?

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yes, indeed.

return errClosed
}
if _, ok := ps.peers[p.id]; ok {
ps.lock.Unlock()
return errAlreadyRegistered
}
ps.peers[p.id] = p
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