From 86eaa3de357e950ffe1c56eee744ba37b768efc5 Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Sat, 5 Aug 2023 10:40:35 +0200
Subject: [PATCH] Pcbnew plot: do not plot via hole on layers where the via
 does not exist: buried vias are not on all copper layers. their hole is also
 not on all copper layer Fixes #15355
 https://gitlab.com/kicad/code/kicad/-/issues/15355

---
 pcbnew/plot_brditems_plotter.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pcbnew/plot_brditems_plotter.cpp b/pcbnew/plot_brditems_plotter.cpp
index 9fbf40bbfc..c530a7981e 100644
--- a/pcbnew/plot_brditems_plotter.cpp
+++ b/pcbnew/plot_brditems_plotter.cpp
@@ -931,6 +931,10 @@ void BRDITEMS_PLOTTER::PlotDrillMarks()
         {
             const PCB_VIA* via = static_cast<const PCB_VIA*>( track );
 
+            // Via are not always on all layers
+            if( ( via->GetLayerSet() & m_layerMask ).none() )
+                continue;
+
             plotOneDrillMark( PAD_DRILL_SHAPE_CIRCLE, via->GetStart(),
                               VECTOR2I( via->GetDrillValue(), 0 ), VECTOR2I( via->GetWidth(), 0 ),
                               ANGLE_0, smallDrill );