=== modified file 'pcbnew/drc_clearance_test_functions.cpp'
--- pcbnew/drc_clearance_test_functions.cpp	2011-12-14 04:29:25 +0000
+++ pcbnew/drc_clearance_test_functions.cpp	2011-12-18 03:29:20 +0000
@@ -342,9 +342,13 @@
     wxPoint segEndPoint;
     for( track = aStart; track; track = track->Next() )
     {
-        // No problem if segments have the same net code:
+        // No problem if segments have the same net code...
         if( net_code_ref == track->GetNet() )
-            continue;
+        {
+            // ...unless both TRACK are vias of the same net
+            if( !( aRefSeg->Type() == PCB_VIA_T && track->Type() == PCB_VIA_T ) )
+                continue;
+        }
 
         // No problem if segment are on different layers :
         if( ( layerMask & track->ReturnMaskLayer() ) == 0 )

=== modified file 'pcbnew/editrack-part2.cpp'
--- pcbnew/editrack-part2.cpp	2011-12-14 04:29:25 +0000
+++ pcbnew/editrack-part2.cpp	2011-12-18 03:25:52 +0000
@@ -148,7 +148,9 @@
             break;
     }
 
-    if( Drc_On && BAD_DRC == m_drc->Drc( via, GetBoard()->m_Track ) )
+    if( Drc_On &&
+        ( BAD_DRC == m_drc->Drc( via, g_FirstTrackSegment ) ||
+          BAD_DRC == m_drc->Drc( via, GetBoard()->m_Track ) ) )
     {
         /* DRC fault: the Via cannot be placed here ... */
         delete via;