router: walkaround algo should not copy the previous via position when the current iteration via placement fails.

fixes: 7827
2021-05-30 00:34:08 +02:00 · 2021-05-30 00:34:08 +02:00 · fcb89b99a3
parent af2e163890
commit fcb89b99a3
1 changed files with 4 additions and 0 deletions
--- a/pcbnew/router/pns_line_placer.cpp
+++ b/pcbnew/router/pns_line_placer.cpp
@ -532,6 +532,10 @@ bool LINE_PLACER::rhWalkOnly( const VECTOR2I& aP, LINE& aNewHead )
 {
    LINE initTrack( m_head );
    LINE walkFull( m_head );
+
+    initTrack.RemoveVia();
+    walkFull.RemoveVia();
+
    int effort = 0;
    bool viaOk = false;