const struct vardict_info *vdi = var_get_vardict (v);
struct dictionary *d = vdi->dict;
+ if ( NULL == d)
+ return;
+
if (d->changed ) d->changed (d, d->changed_data);
if ( d->callbacks && d->callbacks->var_changed )
d->callbacks->var_changed (d, var_get_dict_index (v), d->cb_data);