vcl, libreofficekit: gtk_clipboard_wait_for_contents() may return null

Don't crash then.

Change-Id: I4980fe4ea56e023cbf303fa43d1e6b383d983d2e

1 files changed, 4 insertions, 0 deletions

diff --git a/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx b/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx
index b2962d4e0da1..7ec2b78bc112 100644
--- a/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx
+++ b/libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx
@@ -656,6 +656,10 @@ static void doPaste(GtkWidget* pButton, gpointer /*pItem*/)
     if (oTarget)
     {
         GtkSelectionData* pSelectionData = gtk_clipboard_wait_for_contents(pClipboard, *oTarget);
+        if (!pSelectionData)
+        {
+            return;
+        }
         gint nLength;
         const guchar* pData = gtk_selection_data_get_data_with_length(pSelectionData, &nLength);
         bool bSuccess = lok_doc_view_paste(pLOKDocView, aTargetName.c_str(), reinterpret_cast<const char*>(pData), nLength);