p2p/enode: remove data race in sliceIter (#20421)

c9dce0bf · Marius van der Wijden · Felix Lange · e78f631d · c9dce0bf
Commit c9dce0bf authored Dec 05, 2019 by Marius van der Wijden Committed by Felix Lange Dec 05, 2019
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iter.go p2p/enode/iter.go +2 -0

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--- a/p2p/enode/iter.go
+++ b/p2p/enode/iter.go
@@ -88,6 +88,8 @@ func (it *sliceIter) Next() bool {
 }
 func (it *sliceIter) Node() *Node {
+	it.mu.Lock()
+	defer it.mu.Unlock()
 	if len(it.nodes) == 0 {
 		return nil
 	}