From patchwork Tue Jun 13 11:24:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 692437 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE8C2C7EE29 for ; Tue, 13 Jun 2023 11:25:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240236AbjFMLZT (ORCPT ); Tue, 13 Jun 2023 07:25:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240319AbjFMLZN (ORCPT ); Tue, 13 Jun 2023 07:25:13 -0400 Received: from APC01-PSA-obe.outbound.protection.outlook.com (mail-psaapc01on2100.outbound.protection.outlook.com [40.107.255.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E399DD1; Tue, 13 Jun 2023 04:25:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VICfmkJo++DKzQ6n6BT3qmKVzvdz5tDb+eS3m8J5OZsDlbK6njxLaOyb7vCSvuwE/j1Qc6qdfYsqHmMK9NfaHvOk9ywk43gpsmr2t6BBSJhXxasq27GAGO7zZQ10DSQsxfX41zUS1nT5tv4N3L1Zzs1fNF3mmQhkwkNGi44tu1+MGC7lGBy5CY8Usyc0A3pzuC7K/YnDdTZt+UH/A77YjwDUAHUMcSp9EFZyNYIa3PjPbvz9sEwApxq6isMXhUxvz8HeHCJtVu1xTEi8i6euxzTW5MRmkTN5pt/Fge1+fQhudeu/kV8llZpvWSmL+Cewn3854rw+wQBiEke22IqRFQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=rdh5vOmUeNsam3N24Vb/ae/KnRPNs/UXo0w5JAbpOlA=; b=bIjjDc0sLa8z2dCi4Tvtt2+a1mCeXy13AthKWDNqSlDWK8jGydoQ9O3Tw1czN+iq+LAkRptS6dAGLB9TREbUQDUIOvm3qzPjDG+8+/90p0Bz5xgUaHabv5zVUsCL2uZsCGutjNBM2gCVF23csBIUQ0VfO1PLOSkTcUqwjTtGi+1Pq1Rxh4JboR6/8iBYR/CoTZN3BIceFquuQM3Dxn4Bn78+tAKmOEqiO4gvlNM5Idq9Hc5c+lHIzq7k+/J/Vdd/NcGP23S0ggA14p8k2/sTCq6g3RAnxGky2ISv9PpDIB/JB6qND+dgEe+GICd05iEndjd9d+RhiArF8AQJdr1XmQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=rdh5vOmUeNsam3N24Vb/ae/KnRPNs/UXo0w5JAbpOlA=; b=PFkg8UwcWkAIzCgTNgGHOVFjEgGqrFwz51JtsZ1+OVfmf3xF1TwxreWkowIkVzvJ1Gdu2Es0mRG23IkpzIeNXSShvKNBvJ5yYdDsDj7KCbuiQMMZykzxMupcyn5zRcYvcYk2IegW+NRGZywH0a+1Zuhw92VG2duhsWpPB2enPKqsFPPnLnH13K9vb6wDfKgMJMmk30YZIeqjvq3Ux9AnU63tCwaCMsgTuA674ZzG1mRI5jp2rrm0FwCaLzUKDPproe5y3EPTSw6njQtBsgCe8zYbEzUDr8sRf4s7V6fs66ZAPhmIalnuM3oKPpZDAbgmD3oO7tTHszOhB5j8pKoJmw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) by SEZPR06MB5920.apcprd06.prod.outlook.com (2603:1096:101:f0::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6455.32; Tue, 13 Jun 2023 11:25:05 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::76d6:4828:7e80:2965]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::76d6:4828:7e80:2965%3]) with mapi id 15.20.6455.039; Tue, 13 Jun 2023 11:25:05 +0000 From: Yangtao Li To: glaroque@baylibre.com, rafael@kernel.org, daniel.lezcano@linaro.org, amitk@kernel.org, rui.zhang@intel.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, thara.gopinath@gmail.com, anarsoul@gmail.com, tiny.windzz@gmail.com, wens@csie.org, jernej.skrabec@gmail.com, samuel@sholland.org, thierry.reding@gmail.com, jonathanh@nvidia.com, edubezval@gmail.com, j-keerthy@ti.com, f.fainelli@gmail.com Cc: linux-pm@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, Yangtao Li Subject: [PATCH v2 01/11] thermal/hwmon: Add error information printing for devm_thermal_add_hwmon_sysfs() Date: Tue, 13 Jun 2023 19:24:34 +0800 Message-Id: <20230613112444.48042-1-frank.li@vivo.com> X-Mailer: git-send-email 2.39.0 X-ClientProxiedBy: SG2PR04CA0159.apcprd04.prod.outlook.com (2603:1096:4::21) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|SEZPR06MB5920:EE_ X-MS-Office365-Filtering-Correlation-Id: 40e17ee7-8bf2-4478-54ce-08db6c00d5da X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SEZPR06MB5269.apcprd06.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230028)(4636009)(376002)(366004)(396003)(136003)(39860400002)(346002)(451199021)(66476007)(38100700002)(66556008)(66946007)(921005)(2616005)(6512007)(26005)(6486002)(6506007)(478600001)(52116002)(6666004)(36756003)(107886003)(86362001)(316002)(1076003)(4326008)(38350700002)(186003)(5660300002)(8936002)(2906002)(7416002)(7406005)(83380400001)(8676002)(41300700001); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40e17ee7-8bf2-4478-54ce-08db6c00d5da X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jun 2023 11:25:04.9478 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: /wXoQaLmCv4dvz9uq9/fnEXhtHg04aIys8P5LEDG+yeCAKE6YUIOu4zZNzFgJHgLo+6T6k0QQh/7G5H7FmuB9w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEZPR06MB5920 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Ensure that all error handling branches print error information. In this way, when this function fails, the upper-layer functions can directly return an error code without missing debugging information. Otherwise, the error message will be printed redundantly or missing. Signed-off-by: Yangtao Li --- v2: -convert to dev_warn drivers/thermal/thermal_hwmon.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c index fbe55509e307..c3ae44659b81 100644 --- a/drivers/thermal/thermal_hwmon.c +++ b/drivers/thermal/thermal_hwmon.c @@ -271,11 +271,14 @@ int devm_thermal_add_hwmon_sysfs(struct device *dev, struct thermal_zone_device ptr = devres_alloc(devm_thermal_hwmon_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) + if (!ptr) { + dev_warn(dev, "Failed to allocate device resource data\n"); return -ENOMEM; + } ret = thermal_add_hwmon_sysfs(tz); if (ret) { + dev_warn(dev, "Failed to add hwmon sysfs attributes\n"); devres_free(ptr); return ret; }