From f424af36d3f79997a3e630d875e1221e52161805 Mon Sep 17 00:00:00 2001
From: Adriaan de Groot <groot@kde.org>
Date: Mon, 6 Nov 2017 05:25:14 -0500
Subject: [PATCH] [netinstall] Avoid crash when do groups are available

 - m_groups is only set to a non-nullptr value when data is received
   and fully processed,
 - avoid nullptr dereference when paging *back* from a netinstall
   page that hasn't loaded groups data.

FIXES #859
---
 src/modules/netinstall/NetInstallPage.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/modules/netinstall/NetInstallPage.cpp b/src/modules/netinstall/NetInstallPage.cpp
index 13c0da336..0d5bd4049 100644
--- a/src/modules/netinstall/NetInstallPage.cpp
+++ b/src/modules/netinstall/NetInstallPage.cpp
@@ -113,7 +113,13 @@ NetInstallPage::dataIsHere( QNetworkReply* reply )
 
 QList<PackageTreeItem::ItemData> NetInstallPage::selectedPackages() const
 {
-    return m_groups->getPackages();
+    if ( m_groups )
+        return m_groups->getPackages();
+    else
+    {
+        cDebug() << "WARNING: no netinstall groups are available.";
+        return QList<PackageTreeItem::ItemData>();
+    }
 }
 
 void NetInstallPage::loadGroupList()