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p2p/discover: fix deadlock in waitForNodes by buffering subscriber channel

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Vansh Sahay 2026-05-06 20:47:01 +05:30
parent aaa2b66285
commit d15e833a43
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1 changed files with 1 additions and 1 deletions
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p2p/discover/table.go
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@ -769,7 +769,7 @@ func (tab *Table) waitForNodes(ctx context.Context, n int) error {
} }
if ch == nil { if ch == nil {
// Init subscription. // Init subscription.
ch = make(chan *enode.Node) ch = make(chan *enode.Node, 1)
sub := tab.nodeFeed.Subscribe(ch) sub := tab.nodeFeed.Subscribe(ch)
defer sub.Unsubscribe() defer sub.Unsubscribe()
} }