Fix potential crash

nyalldawson · nyalldawson · commit d477d19ec895 · 2016-08-26T07:57:46.000+10:00
diff --git a/src/core/qgsvectorlayer.cpp b/src/core/qgsvectorlayer.cpp
@@ -1918,8 +1918,11 @@ bool QgsVectorLayer::writeStyle( QDomNode &node, QDomDocument &doc, QString &err
 
   if ( hasGeometryType() )
   {
-    QDomElement rendererElement = mRenderer->save( doc );
-    node.appendChild( rendererElement );
+    if ( mRenderer )
+    {
+      QDomElement rendererElement = mRenderer->save( doc );
+      node.appendChild( rendererElement );
+    }
 
     if ( mLabeling )
     {

Original file line number	Diff line number	Diff line change
`@@ -1918,8 +1918,11 @@ bool QgsVectorLayer::writeStyle( QDomNode &node, QDomDocument &doc, QString &err`
`1918`	`1918`
`1919`	`1919`	`if ( hasGeometryType() )`
`1920`	`1920`	`{`
`1921`		`- QDomElement rendererElement = mRenderer->save( doc );`
`1922`		`- node.appendChild( rendererElement );`
	`1921`	`+ if ( mRenderer )`
	`1922`	`+ {`
	`1923`	`+ QDomElement rendererElement = mRenderer->save( doc );`
	`1924`	`+ node.appendChild( rendererElement );`
	`1925`	`+ }`
`1923`	`1926`
`1924`	`1927`	`if ( mLabeling )`
`1925`	`1928`	`{`