From patchwork Mon Sep 21 13:10:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qinglang Miao X-Patchwork-Id: 1368354 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Bw4fG0x01z9sWK for ; Mon, 21 Sep 2020 23:14:30 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727527AbgIUNOY (ORCPT ); Mon, 21 Sep 2020 09:14:24 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:13799 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727102AbgIUNJz (ORCPT ); Mon, 21 Sep 2020 09:09:55 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 65A39CAC0A471D010BDA; Mon, 21 Sep 2020 21:09:52 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Mon, 21 Sep 2020 21:09:42 +0800 From: Qinglang Miao To: "David S. Miller" CC: Jakub Kicinski , , , Qinglang Miao Subject: [PATCH -next] connector: simplify the return expression of cn_add_callback() Date: Mon, 21 Sep 2020 21:10:06 +0800 Message-ID: <20200921131006.91100-1-miaoqinglang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Simplify the return expression. Signed-off-by: Qinglang Miao --- drivers/connector/connector.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index 2d22d6bf5..7d59d18c6 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -197,17 +197,12 @@ int cn_add_callback(struct cb_id *id, const char *name, void (*callback)(struct cn_msg *, struct netlink_skb_parms *)) { - int err; struct cn_dev *dev = &cdev; if (!cn_already_initialized) return -EAGAIN; - err = cn_queue_add_callback(dev->cbdev, name, id, callback); - if (err) - return err; - - return 0; + return cn_queue_add_callback(dev->cbdev, name, id, callback); } EXPORT_SYMBOL_GPL(cn_add_callback);