From 4898f4205cf98df826f7e4d703e3c652864a42de Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Mon, 10 Jul 2017 21:11:35 +0800
Subject: [PATCH] properly put back the packet buffer when sending a packet
 fails

---
 session.go | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/session.go b/session.go
index 299a538b..0569df0c 100644
--- a/session.go
+++ b/session.go
@@ -678,6 +678,7 @@ func (s *session) sendPacket() error {
 }
 
 func (s *session) sendPackedPacket(packet *packedPacket) error {
+	defer putPacketBuffer(packet.raw)
 	err := s.sentPacketHandler.SentPacket(&ackhandler.Packet{
 		PacketNumber:    packet.number,
 		Frames:          packet.frames,
@@ -687,12 +688,8 @@ func (s *session) sendPackedPacket(packet *packedPacket) error {
 	if err != nil {
 		return err
 	}
-
 	s.logPacket(packet)
-
-	err = s.conn.Write(packet.raw)
-	putPacketBuffer(packet.raw)
-	return err
+	return s.conn.Write(packet.raw)
 }
 
 func (s *session) sendConnectionClose(quicErr *qerr.QuicError) error {