From 3adb7c7a49938dd3d960957e1faa7e8e46193709 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Wed, 22 Dec 2010 14:08:03 -0500
Subject: [PATCH] Avoid a crash

pointed out in bug 533745
---
 gdk/gdkdnd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gdk/gdkdnd.c b/gdk/gdkdnd.c
index 542f88f154..bb2e6a854e 100644
--- a/gdk/gdkdnd.c
+++ b/gdk/gdkdnd.c
@@ -451,6 +451,7 @@ GdkAtom
 gdk_drag_get_selection (GdkDragContext *context)
 {
   g_return_val_if_fail (GDK_IS_DRAG_CONTEXT (context), GDK_NONE);
+  g_return_val_if_fail (context->source_window != NULL, GDK_NONE);
 
   return GDK_DRAG_CONTEXT_GET_CLASS (context)->get_selection (context);
 }