Fix potential crash in vector gradient dialog info button

Note that this doesn't seem to be actually utilised by any of the preinstalled gradients, but if users have created a gradient with info then clicking the button would have crashed QGIS. Identified by clazy. (cherry-picked from 84dade9)
qgis · Nov 18, 2015 · 96ba590 · 96ba590
1 parent 938d8ed
commit 96ba590
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/gui/symbology-ng/qgsvectorgradientcolorrampv2dialog.cpp b/src/gui/symbology-ng/qgsvectorgradientcolorrampv2dialog.cpp
@@ -101,8 +101,9 @@ void QgsVectorGradientColorRampV2Dialog::on_btnInformation_pressed()
   tableInfo->setRowCount( mRamp->info().count() );
   tableInfo->setColumnCount( 2 );
   int i = 0;
-  for ( QgsStringMap::const_iterator it = mRamp->info().constBegin();
-        it != mRamp->info().constEnd(); ++it )
+  QgsStringMap rampInfo = mRamp->info();
+  for ( QgsStringMap::const_iterator it = rampInfo.constBegin();
+        it != rampInfo.constEnd(); ++it )
   {
     if ( it.key().startsWith( "cpt-city" ) )
       continue;