signals_changed();
device_ = std::move(device);
- device_->open();
+
+ try {
+ device_->open();
+ } catch (const QString &e) {
+ device_.reset();
+ device_selected();
+ throw;
+ }
+
device_->session()->add_datafeed_callback([=]
(shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
data_feed_in(device, packet);