From 0a9f98e61ba33ee2fd581b105692c4950599a934 2014-01-29 05:48:32
From: Kimmo Leppälä <kimmo.leppala@digia.com>
Date: 2014-01-29 05:48:32
Subject: [PATCH] Fix crash in ChartDataSet::attachAxis()

When QChart::setAxis(QAbstractAxis*) was called without
QAbstractSeries* parameter crash occurred in
ChartDataSet::attachAxis(QAbstractSeries *,QAbstractAxis *).

Change-Id: Ibbef83f7e05ab2ffc80f86eff09a178ac1c018ea
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

---

diff --git a/src/chartdataset.cpp b/src/chartdataset.cpp
index fe0778e..eb364ef 100644
--- a/src/chartdataset.cpp
+++ b/src/chartdataset.cpp
@@ -180,9 +180,11 @@ void ChartDataSet::removeAxis(QAbstractAxis *axis)
  */
 bool ChartDataSet::attachAxis(QAbstractSeries *series,QAbstractAxis *axis)
 {
-    Q_ASSERT(series);
     Q_ASSERT(axis);
 
+    if (!series)
+        return false;
+
     QList<QAbstractSeries *> attachedSeriesList = axis->d_ptr->m_series;
     QList<QAbstractAxis *> attachedAxisList = series->d_ptr->m_axes;