From 2d41b4fe309c1212c5e40799ae92eff2872c60e6 Mon Sep 17 00:00:00 2001
From: andreykproductengine <akleshchev@productengine.com>
Date: Tue, 23 Feb 2016 18:30:29 +0200
Subject: [PATCH] MAINT-6160 Fix for ImporterLegacyMatching crash

---
 indra/newview/llfloatermodelpreview.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 2255e106787..57d69589d33 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -1550,9 +1550,18 @@ void LLModelPreview::rebuildUploadData()
 					}
 					instance.mLOD[i] = lod_model;
 				}
-				else if (importerDebug)
+				else
 				{
-					LL_INFOS() << "List of models does not include " << instance.mLabel << LL_ENDL;
+					if (i < LLModel::LOD_HIGH && !lodsReady())
+					{
+						// assign a placeholder from previous LOD until lod generation is complete.
+						// Note: we might need to assign it regardless of conditions like named search does, to prevent crashes.
+						instance.mLOD[i] = instance.mLOD[i + 1];
+					}
+					if (importerDebug)
+					{
+						LL_INFOS() << "List of models does not include " << instance.mLabel << LL_ENDL;
+					}
 				}
 			}
 
-- 
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