tdf#149280 modified called after dialog was destroyed

just ignore it in that case

Change-Id: I8f294acd9ee16d2f9c8662614fac3672f80b3376
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134902
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
(cherry picked from commit b121e772350fa5e7e5be597e79e7487debd060c2)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134908
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
Tested-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/desktop/source/deployment/gui/dp_gui_theextmgr.cxx b/desktop/source/deployment/gui/dp_gui_theextmgr.cxx
index 6d39433a8f27..46bccc9df411 100644
--- a/desktop/source/deployment/gui/dp_gui_theextmgr.cxx
+++ b/desktop/source/deployment/gui/dp_gui_theextmgr.cxx
@@ -495,9 +495,12 @@ void TheExtensionManager::notifyTermination( ::lang::EventObject const & rEvt )
 void TheExtensionManager::modified( ::lang::EventObject const & /*rEvt*/ )
 {
     m_bModified = true;
-    getDialogHelper()->prepareChecking();
+    DialogHelper *pDialogHelper = getDialogHelper();
+    if (!pDialogHelper)
+        return;
+    pDialogHelper->prepareChecking();
     createPackageList();
-    getDialogHelper()->checkEntries();
+    pDialogHelper->checkEntries();
 }