From a1371a4f0605a13a897afdc4d2de5e01fdaffa07 Mon Sep 17 00:00:00 2001
From: Atlante45 <clement.brisset@gmail.com>
Date: Mon, 13 Feb 2017 13:20:31 -0800
Subject: [PATCH] Fix possible race

---
 libraries/networking/src/udt/SendQueue.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libraries/networking/src/udt/SendQueue.cpp b/libraries/networking/src/udt/SendQueue.cpp
index 31d61bde5d..c14ae0a39c 100644
--- a/libraries/networking/src/udt/SendQueue.cpp
+++ b/libraries/networking/src/udt/SendQueue.cpp
@@ -478,6 +478,9 @@ bool SendQueue::maybeResendPacket() {
 
                 Packet::ObfuscationLevel level = (Packet::ObfuscationLevel)(entry.first < 2 ? 0 : (entry.first - 2) % 4);
 
+                auto wireSize = resendPacket.getWireSize();
+                auto sequenceNumber = it->first;
+
                 if (level != Packet::NoObfuscation) {
 #ifdef UDT_CONNECTION_DEBUG
                     QString debugString = "Obfuscating packet %1 with level %2";
@@ -512,7 +515,7 @@ bool SendQueue::maybeResendPacket() {
                     sentLocker.unlock();
                 }
                 
-                emit packetRetransmitted(resendPacket.getWireSize(), it->first, p_high_resolution_clock::now());
+                emit packetRetransmitted(wireSize, sequenceNumber, p_high_resolution_clock::now());
                 
                 // Signal that we did resend a packet
                 return true;