From c82679a6f270af29f374e4c9f082bbe458ffc13f Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Sun, 12 Apr 2020 11:18:40 +0100
Subject: [PATCH] Fix crash bug when highlighting no net (found by Coverity).

---
 eeschema/tools/sch_editor_control.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/eeschema/tools/sch_editor_control.cpp b/eeschema/tools/sch_editor_control.cpp
index 10e2501d94..cf553bc945 100644
--- a/eeschema/tools/sch_editor_control.cpp
+++ b/eeschema/tools/sch_editor_control.cpp
@@ -714,10 +714,13 @@ static bool highlightNet( TOOL_MANAGER* aToolMgr, const VECTOR2D& aPosition )
             SCH_ITEM*      item = static_cast<SCH_ITEM*>( selTool->GetNode( aPosition ) );
             SCH_COMPONENT* comp = nullptr;
 
-            if( item->Type() == SCH_FIELD_T )
-                comp = dynamic_cast<SCH_COMPONENT*>( item->GetParent() );
-            else
-                comp = dynamic_cast<SCH_COMPONENT*>( item );
+            if( item )
+            {
+                if( item->Type() == SCH_FIELD_T )
+                    comp = dynamic_cast<SCH_COMPONENT*>( item->GetParent() );
+                else
+                    comp = dynamic_cast<SCH_COMPONENT*>( item );
+            }
 
             if( comp && comp->GetPartRef() && comp->GetPartRef()->IsPower() )
                 netName = comp->GetPartRef()->GetName();