LogicSegment: Check upper bound when performing edge search

diff --git a/pv/data/logicsegment.cpp b/pv/data/logicsegment.cpp
index 2f69e02dba3b7acc8794942caf5e26497f6bb930..8f5eab67a6eeaa1d1ca7e7ea6c405b555bed9bfd 100644 (file)
--- a/pv/data/logicsegment.cpp
+++ b/pv/data/logicsegment.cpp
@@ -371,6 +371,9 @@ void LogicSegment::get_subsampled_edges(
 void LogicSegment::get_surrounding_edges(vector<EdgePair> &dest,
        uint64_t origin_sample, float min_length, int sig_index)
 {
+       if (origin_sample >= sample_count_)
+               return;
+
        // Put the edges vector on the heap, it can become quite big until we can
        // use a get_subsampled_edges() implementation that searches backwards
        vector<EdgePair>* edges = new vector<EdgePair>;