From 36bc3d45936dc15e9d2caf5f37e4eec62582bac9 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Mon, 6 Jul 2020 06:29:00 +0000
Subject: [PATCH] Add safety check for layer pointer

---
 src/app/qgsmaptooltrimextendfeature.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/qgsmaptooltrimextendfeature.cpp b/src/app/qgsmaptooltrimextendfeature.cpp
index 586d9312a34e..a1654337f800 100644
--- a/src/app/qgsmaptooltrimextendfeature.cpp
+++ b/src/app/qgsmaptooltrimextendfeature.cpp
@@ -87,7 +87,7 @@ void QgsMapToolTrimExtendFeature::canvasMoveEvent( QgsMapMouseEvent *e )
     case StepLimit:
 
       match = mCanvas->snappingUtils()->snapToMap( mMapPoint, &filter, true );
-      if ( match.isValid() )
+      if ( match.isValid() && match.layer() )
       {
         mIs3DLayer = QgsWkbTypes::hasZ( match.layer()->wkbType() );