X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fmainwindow.cpp;h=50cab695a8a87d850f4f2fda04f6b8f233ed8ee8;hb=1c90d94fb2928df0503b1e47f4f3a3d64b136ef1;hp=1f683f19ecd2a8efc2d7f022776568c4aac47194;hpb=943edd769f24a5a17df4f0b5e94d92b1b19c8300;p=pulseview.git

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 1f683f19..50cab695 100644
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -282,6 +282,10 @@ void MainWindow::update_device_list()
 
 	shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
 	list< shared_ptr<device::DevInst> > devices;
+
+	if (_device_manager.devices().size() == 0)
+		return;
+
 	std::copy(_device_manager.devices().begin(),
 		_device_manager.devices().end(), std::back_inserter(devices));