From c9fec22e1e3d87e667c0ea0295e8746cc45cadf2 Mon Sep 17 00:00:00 2001
From: Christian Stenger <christian.stenger@qt.io>
Date: Thu, 21 Mar 2019 15:22:52 +0100
Subject: [PATCH] PerfProfiler: Avoid connection on nullptr process

Change-Id: I858a63e5a555c20f8b0a4a0eced1ec44e3e69a4e
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
---
 src/plugins/perfprofiler/perfconfigwidget.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/plugins/perfprofiler/perfconfigwidget.cpp b/src/plugins/perfprofiler/perfconfigwidget.cpp
index c6049cc451c..356948bb869 100644
--- a/src/plugins/perfprofiler/perfconfigwidget.cpp
+++ b/src/plugins/perfprofiler/perfconfigwidget.cpp
@@ -159,6 +159,10 @@ void PerfConfigWidget::setTarget(ProjectExplorer::Target *target)
     QTC_CHECK(!m_process || m_process->state() == QProcess::NotRunning);
 
     m_process.reset(device->createProcess(nullptr));
+    if (!m_process) {
+        m_ui->useTracePointsButton->setEnabled(false);
+        return;
+    }
 
     connect(m_process.get(), &ProjectExplorer::DeviceProcess::finished,
             this, &PerfConfigWidget::handleProcessFinished);