From patchwork Thu May 7 11:50:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tangbin X-Patchwork-Id: 1285187 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=cmss.chinamobile.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49HsGv2dPnz9sSd for ; Thu, 7 May 2020 21:50:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727097AbgEGLu1 (ORCPT ); Thu, 7 May 2020 07:50:27 -0400 Received: from cmccmta2.chinamobile.com ([221.176.66.80]:13180 "EHLO cmccmta2.chinamobile.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726768AbgEGLuY (ORCPT ); Thu, 7 May 2020 07:50:24 -0400 Received: from spf.mail.chinamobile.com (unknown[172.16.121.11]) by rmmx-syy-dmz-app07-12007 (RichMail) with SMTP id 2ee75eb3f5d03fa-3f90d; Thu, 07 May 2020 19:49:37 +0800 (CST) X-RM-TRANSID: 2ee75eb3f5d03fa-3f90d X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from localhost.localdomain (unknown[112.0.146.193]) by rmsmtp-syy-appsvr06-12006 (RichMail) with SMTP id 2ee65eb3f5ce9a8-d2e33; Thu, 07 May 2020 19:49:37 +0800 (CST) X-RM-TRANSID: 2ee65eb3f5ce9a8-d2e33 From: Tang Bin To: davem@davemloft.net, saeedm@mellanox.com, leon@kernel.org Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Tang Bin , Zhang Shengju Subject: [PATCH] net/mlx5e: Use IS_ERR() to check and simplify code Date: Thu, 7 May 2020 19:50:10 +0800 Message-Id: <20200507115010.10380-1-tangbin@cmss.chinamobile.com> X-Mailer: git-send-email 2.20.1.windows.1 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use IS_ERR() and PTR_ERR() instead of PTR_ZRR_OR_ZERO() to simplify code, avoid redundant judgements. Signed-off-by: Zhang Shengju Signed-off-by: Tang Bin Reviewed-by: Leon Romanovsky --- drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c index af4ebd295..00e7add0b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c @@ -93,9 +93,8 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, } rt = ip_route_output_key(dev_net(mirred_dev), fl4); - ret = PTR_ERR_OR_ZERO(rt); - if (ret) - return ret; + if (IS_ERR(rt)) + return PTR_ERR(rt); if (mlx5_lag_is_multipath(mdev) && rt->rt_gw_family != AF_INET) { ip_rt_put(rt);