From fb1f244440466b5ebda6b4e0fdef8c342230b4b2 Mon Sep 17 00:00:00 2001
From: hareku <hareku908@gmail.com>
Date: Mon, 25 Apr 2022 15:51:55 +0900
Subject: [PATCH] http3.Server's serving method returns http.ErrServerClosed
 when quic listener is closed

---
 http3/server.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/http3/server.go b/http3/server.go
index 3897bbb9ffb..29357f77f52 100644
--- a/http3/server.go
+++ b/http3/server.go
@@ -255,6 +255,9 @@ func (s *Server) serveImpl(startListener func() (quic.EarlyListener, error)) err
 	for {
 		conn, err := ln.Accept(context.Background())
 		if err != nil {
+			if errors.Is(err, quic.ErrServerClosed) {
+				return http.ErrServerClosed
+			}
 			return err
 		}
 		go s.handleConn(conn)