break live-loop if there's no next region - fixes #6848

diff --git a/gtk2_ardour/region_view.cc b/gtk2_ardour/region_view.cc
index 3312fc392950c7244d6d728541921ce772eba3c0..a01ec941be9a7bd5297a28839427498bd422c3d4 100644 (file)
--- a/gtk2_ardour/region_view.cc
+++ b/gtk2_ardour/region_view.cc
@@ -808,6 +808,9 @@ RegionView::update_coverage_frames (LayerDisplay d)
                }
 
                t = pl->find_next_region_boundary (t, 1);
+               if (t < 0) {
+                       break;
+               }
                me = new_me;
        }