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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 7CD52C072B5 for ; Fri, 24 May 2019 05:49:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4CA472184B for ; Fri, 24 May 2019 05:49:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388505AbfEXFtV (ORCPT ); Fri, 24 May 2019 01:49:21 -0400 Received: from inva021.nxp.com ([92.121.34.21]:54904 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388232AbfEXFtT (ORCPT ); Fri, 24 May 2019 01:49:19 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 052572000AC; Fri, 24 May 2019 07:49:17 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 19B9D200088; Fri, 24 May 2019 07:49:12 +0200 (CEST) Received: from localhost.localdomain (mega.ap.freescale.net [10.192.208.232]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id C1288402D6; Fri, 24 May 2019 13:49:05 +0800 (SGT) From: Anson.Huang@nxp.com To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, leonard.crestez@nxp.com, abel.vesa@nxp.com, viresh.kumar@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, hyc.nju@gmail.com Cc: Linux-imx@nxp.com Subject: [PATCH RESEND 2/2] soc: imx: soc-imx8: Correct return value of error handle Date: Fri, 24 May 2019 13:51:01 +0800 Message-Id: <20190524055101.3424-2-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190524055101.3424-1-Anson.Huang@nxp.com> References: <20190524055101.3424-1-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Anson Huang Current implementation of i.MX8 SoC driver returns -ENODEV for all cases of error during initialization, this is incorrect. This patch fixes them using correct return value according to different errors. Signed-off-by: Anson Huang Reviewed-by: Leonard Crestez --- drivers/soc/imx/soc-imx8.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/soc/imx/soc-imx8.c b/drivers/soc/imx/soc-imx8.c index d5badde..2183edf 100644 --- a/drivers/soc/imx/soc-imx8.c +++ b/drivers/soc/imx/soc-imx8.c @@ -102,7 +102,7 @@ static int __init imx8_soc_init(void) soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) - return -ENODEV; + return -ENOMEM; soc_dev_attr->family = "Freescale i.MX"; @@ -112,8 +112,10 @@ static int __init imx8_soc_init(void) goto free_soc; id = of_match_node(imx8_soc_match, root); - if (!id) + if (!id) { + ret = -ENODEV; goto free_soc; + } data = id->data; if (data) { @@ -123,12 +125,16 @@ static int __init imx8_soc_init(void) } soc_dev_attr->revision = imx8_revision(soc_rev); - if (!soc_dev_attr->revision) + if (!soc_dev_attr->revision) { + ret = -ENOMEM; goto free_soc; + } soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) + if (IS_ERR(soc_dev)) { + ret = PTR_ERR(soc_dev); goto free_rev; + } if (IS_ENABLED(CONFIG_ARM_IMX_CPUFREQ_DT)) platform_device_register_simple("imx-cpufreq-dt", -1, NULL, 0); @@ -142,6 +148,6 @@ static int __init imx8_soc_init(void) free_soc: kfree(soc_dev_attr); of_node_put(root); - return -ENODEV; + return ret; } device_initcall(imx8_soc_init); -- 2.7.4