From patchwork Mon May 10 09:58:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12247499 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC7E3C433B4 for ; Mon, 10 May 2021 10:14:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8384613AF for ; Mon, 10 May 2021 10:14:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230322AbhEJKPn (ORCPT ); Mon, 10 May 2021 06:15:43 -0400 Received: from fgw23-7.mail.saunalahti.fi ([62.142.5.84]:37915 "EHLO fgw23-7.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230154AbhEJKPf (ORCPT ); Mon, 10 May 2021 06:15:35 -0400 Received: from localhost (88-115-248-186.elisa-laajakaista.fi [88.115.248.186]) by fgw23.mail.saunalahti.fi (Halon) with ESMTP id 3c67ef0b-b176-11eb-8ccd-005056bdfda7; Mon, 10 May 2021 12:58:14 +0300 (EEST) From: Andy Shevchenko To: "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Marcin Wojtas , Russell King , Jakub Kicinski , Andy Shevchenko Subject: [PATCH net-next v1 4/4] net: mvpp2: Unshadow error code of device_property_read_u32() Date: Mon, 10 May 2021 12:58:08 +0300 Message-Id: <20210510095808.3302997-4-andy.shevchenko@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510095808.3302997-1-andy.shevchenko@gmail.com> References: <20210510095808.3302997-1-andy.shevchenko@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org device_property_read_u32() may return different error codes. Propagate it to the caller. Signed-off-by: Andy Shevchenko --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index b6b7ba891e71..9f464e44ae1b 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -7458,10 +7458,12 @@ static int mvpp2_probe(struct platform_device *pdev) /* Get system's tclk rate */ priv->tclk = clk_get_rate(priv->pp_clk); - } else if (device_property_read_u32(&pdev->dev, "clock-frequency", - &priv->tclk)) { - dev_err(&pdev->dev, "missing clock-frequency value\n"); - return -EINVAL; + } else { + err = device_property_read_u32(&pdev->dev, "clock-frequency", &priv->tclk); + if (err) { + dev_err(&pdev->dev, "missing clock-frequency value\n"); + return err; + } } if (priv->hw_version >= MVPP22) {