From c687a5bb5ea8d54412462b24558a2285b2ddd2a8 Mon Sep 17 00:00:00 2001
From: Magne Sjaastad <magne.sjaastad@ceetronsolutions.com>
Date: Mon, 1 Oct 2018 20:44:32 +0200
Subject: [PATCH] Summary Plot : Guard null pointer access

---
 .../ProjectDataModel/Summary/RimSummaryPlot.cpp            | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlot.cpp b/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlot.cpp
index 5a44fb4081..a91af8ad5f 100644
--- a/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlot.cpp
+++ b/ApplicationCode/ProjectDataModel/Summary/RimSummaryPlot.cpp
@@ -485,7 +485,10 @@ void RimSummaryPlot::updateAll()
 void RimSummaryPlot::updateAllLegendItems()
 {
     reattachAllCurves();
-    qwtPlot()->updateLegend();
+    if (qwtPlot())
+    {
+        qwtPlot()->updateLegend();
+    }
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -985,7 +988,7 @@ void RimSummaryPlot::deleteCurves(const std::vector<RimSummaryCurve*>& curves)
                         curveSet->deleteCurve(curve);
                         if (curveSet->curves().empty())
                         {
-                            if (curveSet->colorMode() == RimEnsembleCurveSet::BY_ENSEMBLE_PARAM)
+                            if (curveSet->colorMode() == RimEnsembleCurveSet::BY_ENSEMBLE_PARAM && qwtPlot())
                             {
                                 qwtPlot()->removeEnsembleCurveSetLegend(curveSet);
                             }