From d72e24701455f674d1c67f4be6e1edca7ff3b191 Mon Sep 17 00:00:00 2001
From: codemonkey23333 <298306907@qq.com>
Date: Sat, 20 Apr 2024 06:47:46 +0000
Subject: [PATCH] chore: delete redundant error check

---
 p2p/discover/v4_udp.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/p2p/discover/v4_udp.go b/p2p/discover/v4_udp.go
index 44b1f5305c..7a0a0f1c77 100644
--- a/p2p/discover/v4_udp.go
+++ b/p2p/discover/v4_udp.go
@@ -548,7 +548,7 @@ func (t *UDPv4) handlePacket(from *net.UDPAddr, buf []byte) error {
 	}
 	packet := t.wrapPacket(rawpacket)
 	fromID := fromKey.ID()
-	if err == nil && packet.preverify != nil {
+	if packet.preverify != nil {
 		err = packet.preverify(packet, from, fromID, fromKey)
 	}
 	t.log.Trace("<< "+packet.Name(), "id", fromID, "addr", from, "err", err)