From 69312e248e65a03fca67dd38b00a84164461269e Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <117672381+akleshchev@users.noreply.github.com>
Date: Wed, 1 Oct 2025 18:41:01 +0300
Subject: #4768 Crash at retransmitUnackedPackets

For some reason there are no logs for these crashes, but lack of
connection data indicates that viewer was disconnected prior to crash.
---
 indra/newview/llappviewer.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'indra/newview/llappviewer.cpp')

diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 442a37e977..eadc5e7e63 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -5553,7 +5553,10 @@ void LLAppViewer::idleNetwork()
     add(LLStatViewer::NUM_NEW_OBJECTS, gObjectList.mNumNewObjects);
 
     // Retransmit unacknowledged packets.
-    gXferManager->retransmitUnackedPackets();
+    if (gXferManager)
+    {
+        gXferManager->retransmitUnackedPackets();
+    }
     gAssetStorage->checkForTimeouts();
     gViewerThrottle.setBufferLoadRate(gMessageSystem->getBufferLoadRate());
     gViewerThrottle.updateDynamicThrottle();
-- 
cgit v1.2.3