From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 2E120C433E0 for ; Fri, 26 Jun 2020 17:40:45 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 05780207D8 for ; Fri, 26 Jun 2020 17:40:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FDRB6V9M" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05780207D8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RvEvwt9jNBmcoSSw53HdG7aEfJvVz26iMskgAwNIvoY=; b=FDRB6V9MCo1a/v5MmKd6Kr4+E+ 6yUhxbXIbgj6dKVRoFYg7V8FIEwWSZG4TmvZCtHvMrVn0NRk67ZJ0Q5MntGLXRBEfd/o74bhZjlYW do+e2Opm3smKHlWTj5wsl3vwOselq2JIQRLq7c7VmbUDcjcQZECclsKtnAzsjzt92dUA4tVF/Hl+h TKvONKaCSGwKACMuoEgZ0JWIKnaF0ukdwtg10VyTjKU78AHWigKzQ3fFTUxTTW5Pfh83mVolJpukt sTW/dOkkbHy2fpAh6VQcLwb550KLCpRQDh0QxnTkZO1BsdtX/e5CZ/35Sk3iimQYzD4wezTGpb4Qx APmFjBDQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1josJA-0001yS-JK; Fri, 26 Jun 2020 17:38:36 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1josIg-0001sP-PQ; Fri, 26 Jun 2020 17:38:07 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: andrzej.p) with ESMTPSA id 2B6CC2A5E30 From: Andrzej Pietrasiewicz To: linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: [PATCH v5 01/11] acpi: thermal: Fix error handling in the register function Date: Fri, 26 Jun 2020 19:37:45 +0200 Message-Id: <20200626173755.26379-2-andrzej.p@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200626173755.26379-1-andrzej.p@collabora.com> References: <9cbffad6-69e4-0b33-4640-fde7c4f6a6e7@linaro.org> <20200626173755.26379-1-andrzej.p@collabora.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Emmanuel Grumbach , Heiko Stuebner , "Rafael J . Wysocki" , Vishal Kulkarni , Luca Coelho , Miquel Raynal , kernel@collabora.com, Fabio Estevam , Amit Kucheria , Chunyan Zhang , Daniel Lezcano , Allison Randal , NXP Linux Team , Darren Hart , Zhang Rui , Gayatri Kammela , Len Brown , Johannes Berg , Intel Linux Wireless , Sascha Hauer , Ido Schimmel , Baolin Wang , Jiri Pirko , Orson Zhai , Thomas Gleixner , Kalle Valo , Support Opensource , Enrico Weigelt , Peter Kaestle , Sebastian Reichel , Andrzej Pietrasiewicz , Bartlomiej Zolnierkiewicz , Pengutronix Kernel Team , =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Shawn Guo , "David S . Miller" , Andy Shevchenko MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The acpi_thermal_register_thermal_zone() is missing any error handling. This needs to be fixed. Signed-off-by: Andrzej Pietrasiewicz Reviewed-by: Guenter Roeck Reviewed-by: Bartlomiej Zolnierkiewicz --- drivers/acpi/thermal.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 19067a5e5293..6de8066ca1e7 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -901,23 +901,35 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) result = sysfs_create_link(&tz->device->dev.kobj, &tz->thermal_zone->device.kobj, "thermal_zone"); if (result) - return result; + goto unregister_tzd; result = sysfs_create_link(&tz->thermal_zone->device.kobj, &tz->device->dev.kobj, "device"); if (result) - return result; + goto remove_tz_link; status = acpi_bus_attach_private_data(tz->device->handle, tz->thermal_zone); - if (ACPI_FAILURE(status)) - return -ENODEV; + if (ACPI_FAILURE(status)) { + result = -ENODEV; + goto remove_dev_link; + } tz->tz_enabled = 1; dev_info(&tz->device->dev, "registered as thermal_zone%d\n", tz->thermal_zone->id); + return 0; + +remove_dev_link: + sysfs_remove_link(&tz->thermal_zone->device.kobj, "device"); +remove_tz_link: + sysfs_remove_link(&tz->device->dev.kobj, "thermal_zone"); +unregister_tzd: + thermal_zone_device_unregister(tz->thermal_zone); + + return result; } static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel