From 2568c168a24c89df4b72c34b3a03ee031b099e88 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Sat, 9 May 2020 00:52:57 +0100
Subject: [PATCH] Silence Coverity warning.

---
 pcbnew/drc/drc.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/pcbnew/drc/drc.cpp b/pcbnew/drc/drc.cpp
index 0ce3b2eb69..cebb5172b0 100644
--- a/pcbnew/drc/drc.cpp
+++ b/pcbnew/drc/drc.cpp
@@ -1038,10 +1038,13 @@ void DRC::testKeepoutAreas()
                 // Fast test to detect a footprint inside the keepout area bounding box.
                 if( areaBBox.Intersects( fp->GetBoundingBox() ) )
                 {
-                    fp->BuildPolyCourtyard();
+                    SHAPE_POLY_SET outline;
 
-                    SHAPE_POLY_SET outline = fp->IsFlipped() ? fp->GetPolyCourtyardBack()
-                                                             : fp->GetPolyCourtyardFront();
+                    if( fp->BuildPolyCourtyard() )
+                    {
+                        outline = fp->IsFlipped() ? fp->GetPolyCourtyardBack()
+                                                  : fp->GetPolyCourtyardFront();
+                    }
 
                     if( outline.OutlineCount() == 0 )
                         outline = fp->GetBoundingPoly();