From patchwork Fri Sep 4 15:45:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 11757915 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B75BD92C for ; Fri, 4 Sep 2020 15:49:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D9C620770 for ; Fri, 4 Sep 2020 15:49:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="DHwiLfdY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726726AbgIDPtg (ORCPT ); Fri, 4 Sep 2020 11:49:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726621AbgIDPqz (ORCPT ); Fri, 4 Sep 2020 11:46:55 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95295C0619C0 for ; Fri, 4 Sep 2020 08:46:44 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id s13so6473072wmh.4 for ; Fri, 04 Sep 2020 08:46:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=+YZpX0q+mO37+kQBR4DVC/6zJd6Q2vMMFs8yeO9lM6k=; b=DHwiLfdYkiuvwGGyuQJVAWH5TI6urmfg9xYzHsNJZRaq+W2VOEzGuDZHADH8b43f72 IdWm7NgZqeHyUMOex7xd1L+sKPbyTQU6bkDGKC+laJrmoA7AkcOWL7irwhKLtGgT8Sqf F8QMnwZ2j3f3Ev1NBQFKglsSE0ukhsx0DeGQmvPfA7s4XdmrdEBZCJLsDuZdy2py60av 7ddrLxRGhrc5nQk/J7X0Rd3701tAIqugtMXJWgIrCfExr2MwqBB6KT7fKNh50zVYZgFr KhutLsEsf7K3xZSOrPpo6OUVFbEEAZGhgmuf6GDrIPY3Qah5PrJ+GtBed+JpjV2iCFmm akIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=+YZpX0q+mO37+kQBR4DVC/6zJd6Q2vMMFs8yeO9lM6k=; b=T8id/yvYT6A5HDyKi+TS6aC4V7WfApnGYUh7aDdOZCoOnHy5hBh3QAVVAap6IK8Qxu xhE4lUlynxLuxz/IMMgyWk+M1rtCy9MTn6EJcCl8GBr9CB+brN4OOLcido/39vMzE/A7 sMB7wjpPo/pf+AYbS/0O1TjAQw+FQHlCyPFc0reiO6iIdgsVJhSHsn/k62LcaP+VqJ1G q9W20pl1vhVoBrVqepVSugL5V7ZYxHWLURJa/70kWQBA/DybX56RVrm+JQNwXeMMZXz8 bwFU2HdTXPpK8lpF32M14QQLv506w0b6i2Jyhahl3bxobrbh44ga7xWIrdkB/gfc9aGH j9mw== X-Gm-Message-State: AOAM533XlH421ena65YTY4AEYOam8PLvvqf24HEg7hLYrUtGYzo5cikZ QWDofWJmG6iDZMO21f659vwDfw== X-Google-Smtp-Source: ABdhPJxcZNGnXPvX9i5H6bEC8G5YKnDdSyG1Hc0LLO25M6dxNysSMjIVg6JhStAhJl/uVlArUPCUtg== X-Received: by 2002:a1c:f018:: with SMTP id a24mr7818256wmb.7.1599234403325; Fri, 04 Sep 2020 08:46:43 -0700 (PDT) Received: from debian-brgl.home (lfbn-nic-1-68-20.w2-15.abo.wanadoo.fr. [2.15.159.20]) by smtp.gmail.com with ESMTPSA id q4sm11983375wru.65.2020.09.04.08.46.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Sep 2020 08:46:42 -0700 (PDT) From: Bartosz Golaszewski To: Linus Walleij , Jonathan Corbet , Mika Westerberg , Andy Shevchenko , Kent Gibson Cc: linux-gpio@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH 10/23] gpio: mockup: fix resource leak in error path Date: Fri, 4 Sep 2020 17:45:34 +0200 Message-Id: <20200904154547.3836-11-brgl@bgdev.pl> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200904154547.3836-1-brgl@bgdev.pl> References: <20200904154547.3836-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Bartosz Golaszewski If the module init function fails after creating the debugs directory, it's never removed. Add proper cleanup calls to avoid this resource leak. Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-mockup.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index 78c97f7b6893..19c092f814fd 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -550,6 +550,7 @@ static int __init gpio_mockup_init(void) err = platform_driver_register(&gpio_mockup_driver); if (err) { pr_err("error registering platform driver\n"); + debugfs_remove_recursive(gpio_mockup_dbg_dir); return err; } @@ -580,6 +581,7 @@ static int __init gpio_mockup_init(void) pr_err("error registering device"); platform_driver_unregister(&gpio_mockup_driver); gpio_mockup_unregister_pdevs(); + debugfs_remove_recursive(gpio_mockup_dbg_dir); return PTR_ERR(pdev); }