From 3b7f84008c94465bb844f167dd1057caf4e518df Mon Sep 17 00:00:00 2001
From: Tom Henderson <tomh@tomh.org>
Date: Tue, 26 Sep 2017 15:27:01 -0700
Subject: [PATCH] tcp:  Perform copy-on-write packet copy into Tx buffer item

---
 src/internet/model/tcp-tx-buffer.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/internet/model/tcp-tx-buffer.cc b/src/internet/model/tcp-tx-buffer.cc
index ca9403903..fe723fed1 100644
--- a/src/internet/model/tcp-tx-buffer.cc
+++ b/src/internet/model/tcp-tx-buffer.cc
@@ -193,7 +193,7 @@ TcpTxBuffer::Add (Ptr<Packet> p)
       if (p->GetSize () > 0)
         {
           TcpTxItem *item = new TcpTxItem ();
-          item->m_packet = p;
+          item->m_packet = p->Copy ();
           m_appList.insert (m_appList.end (), item);
           m_size += p->GetSize ();