Return NULL if NULL passed as parameter

diff --git a/src/flat_navi.c b/src/flat_navi.c
index 0720556..48024c1 100644 (file)
--- a/src/flat_navi.c
+++ b/src/flat_navi.c
@@ -63,6 +63,8 @@ _descendants_list_get(AtspiAccessible *obj)
    Eina_List *ret = NULL, *toprocess = NULL;
    int i;
 
+   if (!obj) return NULL;
+
    // to keep all refcounts in ret list +1
    g_object_ref(obj);
    toprocess = eina_list_append(toprocess, obj);