X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Flogicsignal.cpp;h=f7046ce5f5406e1c75b42e7cf1e82822c9477d08;hb=83b1c8d251386ac1980284c4668cbdd8e425550f;hp=f78170b01a30a0028a95befaf7665e7d8a33e649;hpb=6f925ba9d6faf1077b73c5a5808259576081716a;p=pulseview.git

diff --git a/pv/view/logicsignal.cpp b/pv/view/logicsignal.cpp
index f78170b..f7046ce 100644
--- a/pv/view/logicsignal.cpp
+++ b/pv/view/logicsignal.cpp
@@ -53,9 +53,7 @@ using std::vector;
 
 using sigrok::ConfigKey;
 using sigrok::Capability;
-using sigrok::Error;
 using sigrok::Trigger;
-using sigrok::TriggerStage;
 using sigrok::TriggerMatch;
 using sigrok::TriggerMatchType;
 
@@ -347,6 +345,10 @@ void LogicSignal::init_trigger_actions(QWidget *parent)
 
 const vector<int32_t> LogicSignal::get_trigger_types() const
 {
+	// We may not be associated with a device
+	if (!device_)
+		return vector<int32_t>();
+
 	const auto sr_dev = device_->device();
 	if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
 		const Glib::VariantContainerBase gvar =