From 74b84b8eac861ef98846df93475a5c3f6dfbd543 Mon Sep 17 00:00:00 2001
From: shizhx <main.shizhi@gmail.com>
Date: Wed, 7 Sep 2022 12:27:05 +0800
Subject: [PATCH] packet: fix misusing of defer

defer capture arguments at once, so modify arguments after defer line not works
---
 packet/conn.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packet/conn.go b/packet/conn.go
index 4d2a2ccfd..8d020fe92 100644
--- a/packet/conn.go
+++ b/packet/conn.go
@@ -90,7 +90,9 @@ func (c *Conn) ReadPacket() ([]byte, error) {
 func (c *Conn) ReadPacketReuseMem(dst []byte) ([]byte, error) {
 	// Here we use `sync.Pool` to avoid allocate/destroy buffers frequently.
 	buf := utils.BytesBufferGet()
-	defer utils.BytesBufferPut(buf)
+	defer func() {
+		utils.BytesBufferPut(buf)
+	}()
 
 	if err := c.ReadPacketTo(buf); err != nil {
 		return nil, errors.Trace(err)