From 84a42bcb58533176d725ae7c3e4a1a6134e7442a Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Wed, 21 Nov 2007 13:42:12 +0000
Subject: [PATCH] Fix for Bug IPAL17664   	TC71: REGR: impossible to
 build stream lines

---
 src/PIPELINE/VISU_StreamLinesPL.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/PIPELINE/VISU_StreamLinesPL.cxx b/src/PIPELINE/VISU_StreamLinesPL.cxx
index 2f3ae2bb..b596155e 100644
--- a/src/PIPELINE/VISU_StreamLinesPL.cxx
+++ b/src/PIPELINE/VISU_StreamLinesPL.cxx
@@ -98,11 +98,13 @@ VISU_StreamLinesPL
   unsigned long int aTime = Superclass::GetMTime();
 
   aTime = std::max(aTime, myStream->GetMTime());
-  aTime = std::max(aTime, mySource->GetMTime());
   aTime = std::max(aTime, myCenters->GetMTime());
   aTime = std::max(aTime, myGeomFilter->GetMTime());
   aTime = std::max(aTime, myPointsFilter->GetMTime());
 
+  if ( mySource )
+    aTime = std::max(aTime, mySource->GetMTime());
+
   return aTime;
 }
 
-- 
2.39.2