evas: Fix rare crash in object destruction

The COW object may have not been created if the object could
not be created. Example: a window failed to open because the
engine could not create a surface.

1 files changed, 5 insertions, 2 deletions

diff --git a/src/lib/evas/canvas/efl_gfx_map.c b/src/lib/evas/canvas/efl_gfx_map.c
index 63667cc01f..ab530c3628 100644
--- a/src/lib/evas/canvas/efl_gfx_map.c
+++ b/src/lib/evas/canvas/efl_gfx_map.c
@@ -166,8 +166,11 @@ _efl_gfx_map_efl_object_constructor(Eo *eo_obj, Efl_Gfx_Map_Data *pd)
 EOLIAN static void
 _efl_gfx_map_efl_object_destructor(Eo *eo_obj, Efl_Gfx_Map_Data *pd)
 {
-   _map_ops_clean(eo_obj, pd);
-   eina_cow_free(gfx_map_cow, (const Eina_Cow_Data **) &pd->cow);
+   if (pd->cow)
+     {
+        _map_ops_clean(eo_obj, pd);
+        eina_cow_free(gfx_map_cow, (const Eina_Cow_Data **) &pd->cow);
+     }
    efl_destructor(efl_super(eo_obj, MY_CLASS));
 }