From 65821328d22aac432817d17bae29ce8081a395d2 Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Wed, 21 Sep 2016 14:47:07 +0200
Subject: [PATCH] Fix a crash when dragging a via attached to a locked track
 (PNS)

Fixes: lp:1625835
* https://bugs.launchpad.net/kicad/+bug/1625835
---
 pcbnew/router/pns_shove.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/pcbnew/router/pns_shove.cpp b/pcbnew/router/pns_shove.cpp
index 97dbcfc8e2..5af8bc70c6 100644
--- a/pcbnew/router/pns_shove.cpp
+++ b/pcbnew/router/pns_shove.cpp
@@ -622,12 +622,6 @@ SHOVE::SHOVE_STATUS SHOVE::pushVia( VIA* aVia, const VECTOR2I& aForce, int aCurr
     pushedVia->SetPos( p0_pushed );
     pushedVia->Mark( aVia->Marker() );
 
-    if( aVia->Marker() & MK_HEAD )
-    {
-        m_draggedVia = pushedVia.get();
-        m_draggedViaHeadSet.Clear();
-    }
-
     for( ITEM* item : jt->LinkList() )
     {
         if( SEGMENT* seg = dyn_cast<SEGMENT*>( item ) )
@@ -671,6 +665,12 @@ SHOVE::SHOVE_STATUS SHOVE::pushVia( VIA* aVia, const VECTOR2I& aForce, int aCurr
     m_logger.Log( pushedVia.get(), 1, "pushed-via" );
 #endif
 
+    if( aVia->Marker() & MK_HEAD )
+    {
+        m_draggedVia = pushedVia.get();
+        m_draggedViaHeadSet.Clear();
+    }
+
     replaceItems( aVia, std::move( pushedVia ) );
 
     for( LINE_PAIR lp : draggedLines )