From 47a806bdc9143201072a3c7408f11bbd60b09a0c Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Mon, 31 Oct 2016 19:08:21 +0100
Subject: [PATCH] Fix a segfault on bmusb hotplug in simple audio mode.

---
 mainwindow.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 36ea55e..4127f91 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1290,6 +1290,9 @@ void MainWindow::set_white_balance(int channel_number, int x, int y)
 void MainWindow::audio_state_changed()
 {
 	post_to_main_thread([this]{
+		if (global_audio_mixer->get_mapping_mode() == AudioMixer::MappingMode::SIMPLE) {
+			return;
+		}
 		InputMapping mapping = global_audio_mixer->get_input_mapping();
 		for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
 			const InputMapping::Bus &bus = mapping.buses[bus_index];
-- 
2.39.2