From 7c8b59be3b8a19c68c1979ac1b17cfd252af1366 Mon Sep 17 00:00:00 2001
From: cui <cuiweixie@gmail.com>
Date: Sun, 10 May 2026 19:02:46 +0800
Subject: [PATCH] p2p: handle return false from TCPEndpoint (#34916)

---
 p2p/dial.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/p2p/dial.go b/p2p/dial.go
index eadfc2174d..c5d1d36d6d 100644
--- a/p2p/dial.go
+++ b/p2p/dial.go
@@ -67,7 +67,10 @@ type tcpDialer struct {
 }
 
 func (t tcpDialer) Dial(ctx context.Context, dest *enode.Node) (net.Conn, error) {
-	addr, _ := dest.TCPEndpoint()
+	addr, ok := dest.TCPEndpoint()
+	if !ok {
+		return nil, errNoPort
+	}
 	return t.d.DialContext(ctx, "tcp", addr.String())
 }