From patchwork Fri Aug 20 15:37:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 1519082 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.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=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Grm474rPPz9sSs for ; Sat, 21 Aug 2021 01:37:59 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241110AbhHTPig (ORCPT ); Fri, 20 Aug 2021 11:38:36 -0400 Received: from smtp09.smtpout.orange.fr ([80.12.242.131]:31090 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241105AbhHTPif (ORCPT ); Fri, 20 Aug 2021 11:38:35 -0400 Received: from pop-os.home ([90.126.253.178]) by mwinf5d04 with ME id jrdw2500b3riaq203rdwzy; Fri, 20 Aug 2021 17:37:57 +0200 X-ME-Helo: pop-os.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Fri, 20 Aug 2021 17:37:57 +0200 X-ME-IP: 90.126.253.178 From: Christophe JAILLET To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, alexandru.marginean@nxp.com, Laurentiu.Tudor@nxp.com, hui.song_1@nxp.com, andy.shevchenko@gmail.com, ran.wang_1@nxp.com Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 1/3] gpio: mpc8xxx: Fix a resources leak in the error handling path of 'mpc8xxx_probe()' Date: Fri, 20 Aug 2021 17:37:55 +0200 Message-Id: <800564ff82277544269add84bf78a5321e1090ed.1629472813.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Commit 698b8eeaed72 ("gpio/mpc8xxx: change irq handler from chained to normal") has introduced a new 'goto err;' at the very end of the function, but has not updated the error handling path accordingly. Add the now missing 'irq_domain_remove()' call which balances a previous 'irq_domain_create_linear() call. Fixes: 698b8eeaed72 ("gpio/mpc8xxx: change irq handler from chained to normal") Signed-off-by: Christophe JAILLET --- Is the 'irq_set_chained_handler_and_data()' of the remove function also needed here? --- drivers/gpio/gpio-mpc8xxx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 67dc38976ab6..241bcc80612e 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -416,6 +416,8 @@ static int mpc8xxx_probe(struct platform_device *pdev) return 0; err: + if (mpc8xxx_gc->irq) + irq_domain_remove(mpc8xxx_gc->irq); iounmap(mpc8xxx_gc->regs); return ret; }