From ef2b8b8eb4a7e1bea7ffe60c70336c474b500081 Mon Sep 17 00:00:00 2001
From: xtaci <daniel820313@gmail.com>
Date: Mon, 4 Nov 2019 08:09:22 +0000
Subject: [PATCH] keep slice, and set nil to buffers

---
 sess.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sess.go b/sess.go
index 25951b5..c9ffa4b 100644
--- a/sess.go
+++ b/sess.go
@@ -336,8 +336,9 @@ func (s *UDPSession) uncork() {
 		// recycle
 		for k := range s.txqueue {
 			xmitBuf.Put(s.txqueue[k].Buffers[0])
+			s.txqueue[k].Buffers = nil
 		}
-		s.txqueue = nil
+		s.txqueue = s.txqueue[:0]
 	}
 	return
 }