binder_get_ref_olocked
ref = binder_get_ref_olocked(proc, desc, need_strong_ref);
ref = binder_get_ref_olocked(proc, desc, strong);
ref = binder_get_ref_olocked(proc, tr->target.handle,
ref = binder_get_ref_olocked(proc, handle_cookie->handle, false);
ref = binder_get_ref_olocked(proc, handle_cookie->handle, false);
ref = binder_get_ref_olocked(proc, target, false);