Fix Coverity null pointer dereference warning

nyalldawson · nyalldawson · commit 16465cb38ede · 2018-04-19T20:19:57.000+10:00
diff --git a/src/analysis/processing/qgsalgorithmexplode.cpp b/src/analysis/processing/qgsalgorithmexplode.cpp
@@ -128,6 +128,8 @@ std::vector<QgsGeometry> QgsExplodeAlgorithm::extractAsParts( const QgsGeometry
 std::vector<QgsGeometry> QgsExplodeAlgorithm::curveAsSingleSegments( const QgsCurve *curve, bool useCompoundCurves ) const
 {
   std::vector<QgsGeometry> parts;
+  if ( !curve )
+    return parts;
   switch ( QgsWkbTypes::flatType( curve->wkbType() ) )
   {
     case QgsWkbTypes::LineString:

Original file line number	Diff line number	Diff line change
`@@ -128,6 +128,8 @@ std::vector<QgsGeometry> QgsExplodeAlgorithm::extractAsParts( const QgsGeometry`
`128`	`128`	`std::vector<QgsGeometry> QgsExplodeAlgorithm::curveAsSingleSegments( const QgsCurve *curve, bool useCompoundCurves ) const`
`129`	`129`	`{`
`130`	`130`	`std::vector<QgsGeometry> parts;`
	`131`	`+ if ( !curve )`
	`132`	`+ return parts;`
`131`	`133`	`switch ( QgsWkbTypes::flatType( curve->wkbType() ) )`
`132`	`134`	`{`
`133`	`135`	`case QgsWkbTypes::LineString:`