From 4ad37bc9ea7f74cb970c43322a6d70805a5a6ee9 Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Mon, 5 Nov 2018 14:00:01 +0100
Subject: [PATCH] Limit 'items on disabled layers' DRC check to copper layers

Fixes: lp:1788248
* https://bugs.launchpad.net/kicad/+bug/1788248
---
 pcbnew/drc.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pcbnew/drc.cpp b/pcbnew/drc.cpp
index e6cabd9ffb..0fd179e9c5 100644
--- a/pcbnew/drc.cpp
+++ b/pcbnew/drc.cpp
@@ -1174,6 +1174,9 @@ void DRC::testDisabledLayers()
     wxCHECK( board, /*void*/ );
     LSET disabledLayers = board->GetEnabledLayers().flip();
 
+    // Perform the test only for copper layers
+    disabledLayers &= LSET::AllCuMask();
+
     auto createMarker = [&]( BOARD_ITEM* aItem )
     {
         addMarkerToPcb( newMarker( aItem->GetPosition(), aItem, DRCE_DISABLED_LAYER_ITEM ) );