From patchwork Sun Mar 7 13:17:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 12120657 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, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 9ADF3C433E0 for ; Sun, 7 Mar 2021 13:19:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67AA864F6D for ; Sun, 7 Mar 2021 13:19:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231274AbhCGNSX (ORCPT ); Sun, 7 Mar 2021 08:18:23 -0500 Received: from aposti.net ([89.234.176.197]:44256 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231288AbhCGNSN (ORCPT ); Sun, 7 Mar 2021 08:18:13 -0500 From: Paul Cercueil To: "David S . Miller" , Jakub Kicinski Cc: od@zcrc.me, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil Subject: [PATCH 1/3] net: davicom: Fix regulator not turned off on failed probe Date: Sun, 7 Mar 2021 13:17:47 +0000 Message-Id: <20210307131749.14960-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org When the probe fails or requests to be defered, we must disable the regulator that was previously enabled. Fixes: 7994fe55a4a2 ("dm9000: Add regulator and reset support to dm9000") Signed-off-by: Paul Cercueil --- drivers/net/ethernet/davicom/dm9000.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 3fdc70dab5c1..ae744826bb9e 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -1449,7 +1449,7 @@ dm9000_probe(struct platform_device *pdev) if (ret) { dev_err(dev, "failed to request reset gpio %d: %d\n", reset_gpios, ret); - return -ENODEV; + goto out_regulator_disable; } /* According to manual PWRST# Low Period Min 1ms */ @@ -1461,8 +1461,10 @@ dm9000_probe(struct platform_device *pdev) if (!pdata) { pdata = dm9000_parse_dt(&pdev->dev); - if (IS_ERR(pdata)) - return PTR_ERR(pdata); + if (IS_ERR(pdata)) { + ret = PTR_ERR(pdata); + goto out_regulator_disable; + } } /* Init network device */ @@ -1703,6 +1705,10 @@ dm9000_probe(struct platform_device *pdev) dm9000_release_board(pdev, db); free_netdev(ndev); +out_regulator_disable: + if (!IS_ERR(power)) + regulator_disable(power); + return ret; }