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/+/134937
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.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();
 }