From patchwork Fri May 21 12:18:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 444955 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=-16.8 required=3.0 tests=BAYES_00, 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 A8975C43461 for ; Fri, 21 May 2021 12:18:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7777761132 for ; Fri, 21 May 2021 12:18:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232806AbhEUMTo (ORCPT ); Fri, 21 May 2021 08:19:44 -0400 Received: from smtp02.smtpout.orange.fr ([80.12.242.124]:17370 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230440AbhEUMTk (ORCPT ); Fri, 21 May 2021 08:19:40 -0400 Received: from localhost.localdomain ([86.243.172.93]) by mwinf5d78 with ME id 7QJF2500C21Fzsu03QJFo2; Fri, 21 May 2021 14:18:16 +0200 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Fri, 21 May 2021 14:18:16 +0200 X-ME-IP: 86.243.172.93 From: Christophe JAILLET To: Yasunari.Takiguchi@sony.com, mchehab@kernel.org, narmstrong@baylibre.com, sean@mess.org Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 1/2] media: cxd2880-spi: Fix an error handling path Date: Fri, 21 May 2021 14:18:14 +0200 Message-Id: <28a115d7207b258715a029f822ab88f7a4ee05e6.1621599392.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org If an error occurs after a successful 'regulator_enable()' call, 'regulator_disable()' must be called. Fix the error handling path of the probe accordingly. Fixes: cb496cd472af ("media: cxd2880-spi: Add optional vcc regulator") Signed-off-by: Christophe JAILLET --- drivers/media/spi/cxd2880-spi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/media/spi/cxd2880-spi.c b/drivers/media/spi/cxd2880-spi.c index 931ec0727cd3..df1335e7061c 100644 --- a/drivers/media/spi/cxd2880-spi.c +++ b/drivers/media/spi/cxd2880-spi.c @@ -524,13 +524,13 @@ cxd2880_spi_probe(struct spi_device *spi) if (IS_ERR(dvb_spi->vcc_supply)) { if (PTR_ERR(dvb_spi->vcc_supply) == -EPROBE_DEFER) { ret = -EPROBE_DEFER; - goto fail_adapter; + goto fail_regulator; } dvb_spi->vcc_supply = NULL; } else { ret = regulator_enable(dvb_spi->vcc_supply); if (ret) - goto fail_adapter; + goto fail_regulator; } dvb_spi->spi = spi; @@ -618,6 +618,9 @@ cxd2880_spi_probe(struct spi_device *spi) fail_attach: dvb_unregister_adapter(&dvb_spi->adapter); fail_adapter: + if (!IS_ERR(dvb_spi->vcc_supply)) + regulator_disable(dvb_spi->vcc_supply); +fail_regulator: kfree(dvb_spi); return ret; }