Fix crash in raster readXml when data provide cannot be created

Actually it was a consequence of a broken test, but there is no need to crash.
qgis · Nov 5, 2018 · 455b660 · 455b660
1 parent bd71df0
commit 455b660
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/core/raster/qgsrasterlayer.cpp b/src/core/raster/qgsrasterlayer.cpp
@@ -1491,6 +1491,12 @@ bool QgsRasterLayer::readXml( const QDomNode &layer_node, QgsReadWriteContext &c
   QgsDataProvider::ProviderOptions providerOptions;
   setDataProvider( mProviderKey, providerOptions );
 
+  if ( ! mDataProvider )
+  {
+    QgsDebugMsg( QStringLiteral( "Raster data provider could not be created for %1" ).arg( mDataSource ) );
+    return false;
+  }
+
   QString error;
   bool res = readSymbology( layer_node, error, context );