TabularDecView: Increase robustness

[pulseview.git] / pv / data / decodesignal.cpp

diff --git a/pv/data/decodesignal.cpp b/pv/data/decodesignal.cpp
index a488817525ec9f64a6e08400e3812a7e07ef28e5..6f0e0fa7c50594632bf3305d3a01a56179f21f43 100644 (file)
--- a/pv/data/decodesignal.cpp
+++ b/pv/data/decodesignal.cpp
@@ -1420,6 +1420,9 @@ void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signa
        if (ds->decode_interrupt_)
                return;
 
+       if (ds->segments_.empty())
+               return;
+
        lock_guard<mutex> lock(ds->output_mutex_);
 
        // Get the decoder and the annotation data