From 5a6be59fadfb9578cb8139922ab4008ca781d293 Mon Sep 17 00:00:00 2001
From: Wenzel Jakob <wenzel@inf.ethz.ch>
Date: Sat, 8 Nov 2014 18:52:52 +0100
Subject: [PATCH] mtsgui deadlock fix

---
 src/mtsgui/mainwindow.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mtsgui/mainwindow.cpp b/src/mtsgui/mainwindow.cpp
index b8afae50..afcc796f 100644
--- a/src/mtsgui/mainwindow.cpp
+++ b/src/mtsgui/mainwindow.cpp
@@ -1469,6 +1469,8 @@ void MainWindow::on_actionStop_triggered() {
 	} else if (context->mode == ERender) {
 		context->mode = EPreview;
 		m_contextMutex.unlock();
+	} else {
+		m_contextMutex.unlock();
 	}
 	ui->glView->resumePreview();