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p2p/enode prevent data race in sliceIter

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Node() had a data race with Next()
This commit is contained in:
Marius van der Wijden 2019-12-03 11:39:21 +01:00
parent 7ce7c3967c
commit 7d12adc7b9
1 changed files with 2 additions and 0 deletions
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2
p2p/enode/iter.go
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@ -88,6 +88,8 @@ func (it *sliceIter) Next() bool {
} }
func (it *sliceIter) Node() *Node { func (it *sliceIter) Node() *Node {
it.mu.Lock()
defer it.mu.Unlock()
if len(it.nodes) == 0 { if len(it.nodes) == 0 {
return nil return nil
} }