From f866d15154887bcc3bdbdde27d80c47ef6f694f0 Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Mon, 7 Mar 2022 13:56:35 +0100
Subject: [PATCH] Pcbnew: fix crash when clicking on a footprint on a filled
 zone area.

---
 pcbnew/pad.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pcbnew/pad.cpp b/pcbnew/pad.cpp
index b1af61fe63..4aaa118364 100644
--- a/pcbnew/pad.cpp
+++ b/pcbnew/pad.cpp
@@ -235,7 +235,7 @@ bool PAD::FlashLayer( int aLayer ) const
     static std::initializer_list<KICAD_T> types
     { PCB_TRACE_T, PCB_ARC_T, PCB_VIA_T, PCB_PAD_T, PCB_ZONE_T, PCB_FP_ZONE_T };
 
-    if( !IsOnLayer( static_cast<PCB_LAYER_ID>( aLayer ) ) )
+    if( aLayer != UNDEFINED_LAYER && !IsOnLayer( static_cast<PCB_LAYER_ID>( aLayer ) ) )
         return false;
 
     if( GetAttribute() == PAD_ATTRIB::NPTH )