From 6ae6ec315864e17b37a100e00732365264e66865 Mon Sep 17 00:00:00 2001
From: Mark O'Donovan <shiftee@tutanota.com>
Date: Fri, 2 Mar 2018 16:51:32 +0000
Subject: [PATCH] Fix crash when switching serial ports

Switching port after sending a message was crashing the program
---
 src/rtusettingswidget.cpp    | 2 +-
 src/serialsettingswidget.cpp | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/rtusettingswidget.cpp b/src/rtusettingswidget.cpp
index 9103cd8..e98c9ba 100644
--- a/src/rtusettingswidget.cpp
+++ b/src/rtusettingswidget.cpp
@@ -26,6 +26,6 @@ void RtuSettingsWidget::changeModbusInterface(const QString& port, char parity)
     {
         emit connectionError( tr( "Could not connect serial port!" ) );
 
-	releaseSerialModbus();
+        releaseSerialModbus();
     }
 }
diff --git a/src/serialsettingswidget.cpp b/src/serialsettingswidget.cpp
index 84f69cd..74d856b 100644
--- a/src/serialsettingswidget.cpp
+++ b/src/serialsettingswidget.cpp
@@ -5,8 +5,8 @@
 
 SerialSettingsWidget::SerialSettingsWidget(QWidget *parent) :
 	QWidget(parent),
-	ui(new Ui::SerialSettingsWidget)
-  , m_serialModbus( NULL )
+	ui(new Ui::SerialSettingsWidget),
+	m_serialModbus( NULL )
 {
 	ui->setupUi(this);
 	enableGuiItems(false);
@@ -112,6 +112,8 @@ void SerialSettingsWidget::changeSerialPort( int )
 		}
 
 		changeModbusInterface(port, parity);
+
+		emit serialPortActive(true);
 	}
 	else
 	{