From b679a216515956b8cc71eae7c7e7be9a228f9e50 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Mon, 21 Mar 2022 20:49:08 +0000
Subject: [PATCH] Zero out parent rule when overridden by local property.

Fixes https://gitlab.com/kicad/code/kicad/issues/11197
---
 pcbnew/drc/drc_engine.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pcbnew/drc/drc_engine.cpp b/pcbnew/drc/drc_engine.cpp
index d2a7926be1..92365fcd61 100644
--- a/pcbnew/drc/drc_engine.cpp
+++ b/pcbnew/drc/drc_engine.cpp
@@ -1219,6 +1219,7 @@ DRC_CONSTRAINT DRC_ENGINE::EvalRules( DRC_CONSTRAINT_T aConstraintType, const BO
 
         if( localA > global || localB > global )
         {
+            constraint.SetParentRule( nullptr );
             constraint.SetName( m_msg );
             constraint.m_Value.SetMin( clearance );
             return constraint;
@@ -1238,6 +1239,7 @@ DRC_CONSTRAINT DRC_ENGINE::EvalRules( DRC_CONSTRAINT_T aConstraintType, const BO
                                           EscapeHTML( footprint->GetSelectMenuText( UNITS ) ),
                                           EscapeHTML( PrintZoneConnection( local ) ) ) )
 
+                constraint.SetParentRule( nullptr );
                 constraint.SetName( _( "footprint" ) );
                 constraint.m_ZoneConnection = local;
                 return constraint;
@@ -1253,6 +1255,7 @@ DRC_CONSTRAINT DRC_ENGINE::EvalRules( DRC_CONSTRAINT_T aConstraintType, const BO
                                       EscapeHTML( zone->GetSelectMenuText( UNITS ) ),
                                       EscapeHTML( PrintZoneConnection( local ) ) ) )
 
+            constraint.SetParentRule( nullptr );
             constraint.SetName( _( "zone" ) );
             constraint.m_ZoneConnection = local;
             return constraint;
@@ -1269,6 +1272,7 @@ DRC_CONSTRAINT DRC_ENGINE::EvalRules( DRC_CONSTRAINT_T aConstraintType, const BO
                                       EscapeHTML( zone->GetSelectMenuText( UNITS ) ),
                                       EscapeHTML( REPORT_VALUE( local ) ) ) )
 
+            constraint.SetParentRule( nullptr );
             constraint.SetName( _( "zone" ) );
             constraint.m_Value.SetMin( local );
             return constraint;
@@ -1285,6 +1289,7 @@ DRC_CONSTRAINT DRC_ENGINE::EvalRules( DRC_CONSTRAINT_T aConstraintType, const BO
                                       EscapeHTML( zone->GetSelectMenuText( UNITS ) ),
                                       EscapeHTML( REPORT_VALUE( local ) ) ) )
 
+            constraint.SetParentRule( nullptr );
             constraint.SetName( _( "zone" ) );
             constraint.m_Value.SetMin( local );
             return constraint;