X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fmainwindow.cpp;h=50cab695a8a87d850f4f2fda04f6b8f233ed8ee8;hb=300fc11ea8ec416b31c7dbc3d3d52277af24d1b7;hp=1a6dabd4b01f2ef11242b50ca2f9ee1f3e35a2d6;hpb=0a9fdca5f3874231414882a6bbf87a333a317711;p=pulseview.git

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 1a6dabd4..50cab695 100644
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <cassert>
+
 #ifdef ENABLE_DECODE
 #include <libsigrokdecode/libsigrokdecode.h>
 #endif
@@ -280,6 +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));