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

5 years ago · c9dce0bfd7
parent e78f631dfc
commit c9dce0bfd7
1 changed files with 2 additions and 0 deletions
--- 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
 	}