Fix potential crash

nyalldawson · nyalldawson · commit f23b77808733 · 2016-08-29T16:41:43.000+10:00
diff --git a/src/core/qgsvectorlayer.cpp b/src/core/qgsvectorlayer.cpp
@@ -1923,8 +1923,11 @@ bool QgsVectorLayer::writeSymbology( QDomNode& node, QDomDocument& doc, QString&
 
   if ( hasGeometryType() )
   {
-    QDomElement rendererElement = mRendererV2->save( doc );
-    node.appendChild( rendererElement );
+    if ( mRendererV2 )
+    {
+      QDomElement rendererElement = mRendererV2->save( doc );
+      node.appendChild( rendererElement );
+    }
 
     if ( mLabeling )
     {

Original file line number	Diff line number	Diff line change
`@@ -1923,8 +1923,11 @@ bool QgsVectorLayer::writeSymbology( QDomNode& node, QDomDocument& doc, QString&`
`1923`	`1923`
`1924`	`1924`	`if ( hasGeometryType() )`
`1925`	`1925`	`{`
`1926`		`- QDomElement rendererElement = mRendererV2->save( doc );`
`1927`		`- node.appendChild( rendererElement );`
	`1926`	`+ if ( mRendererV2 )`
	`1927`	`+ {`
	`1928`	`+ QDomElement rendererElement = mRendererV2->save( doc );`
	`1929`	`+ node.appendChild( rendererElement );`
	`1930`	`+ }`
`1928`	`1931`
`1929`	`1932`	`if ( mLabeling )`
`1930`	`1933`	`{`