evas_callbacks: check if obj is NULL before using it

Summary:
evas_object_callbacks_finalized could take NULL obj because
_efl_canvas_object_efl_object_finalize could call it with NULL obj.

Reviewers: bu5hm4n, jsuya, Hermet

Reviewed By: bu5hm4n

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D10141

diff --git a/src/lib/evas/canvas/evas_callbacks.c b/src/lib/evas/canvas/evas_callbacks.c
index cadd021..35ef78a 100644 (file)
--- a/src/lib/evas/canvas/evas_callbacks.c
+++ b/src/lib/evas/canvas/evas_callbacks.c
@@ -805,6 +805,8 @@ _animator_repeater(void *data, const Efl_Event *event)
 void
 evas_object_callbacks_finalized(Eo *eo_obj EINA_UNUSED, Evas_Object_Protected_Data *obj)
 {
+   EINA_SAFETY_ON_NULL_RETURN(obj);
+
    if (obj->animator_ref > 0)
      {
        if (obj->layer && obj->layer->evas)