DecodeTrace: Don't attempt to hover if the trace hasn't been painted yet

diff --git a/pv/view/decodetrace.cpp b/pv/view/decodetrace.cpp
index 01bf934c47095003e3265420622344a6235dc92a..6947491a285ead6b3317e166e4ca645354d627c6 100644 (file)
--- a/pv/view/decodetrace.cpp
+++ b/pv/view/decodetrace.cpp
@@ -609,9 +609,8 @@ void DecodeTrace::hover_point_changed()
        QString ann = get_annotation_at_point(hp);
 
        assert(view);
-       assert(row_height_);
 
-       if (ann.isEmpty()) {
+       if (!row_height_ || ann.isEmpty()) {
                hide_hover_annotation();
                return;
        }