From patchwork Fri Mar 12 08:04:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 12133867 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 8A903C433E0 for ; Fri, 12 Mar 2021 07:57:29 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 14B5E64F84 for ; Fri, 12 Mar 2021 07:57:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 14B5E64F84 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=t6JVDc5VesekC+FOwfPP45ul8dnlJlDXX0W/fbBnfUQ=; b=fnb570D8mzvOiz75+zvI7ddWE1 HvhewngZz88AEZFTT5tuSAU2toVHMZf3v0P5fO1g46EzK/J2ODM4ph4obO8Exze7yLd9f/iiBc0u6 8UbeFFTVrf5EnGTc8BJaNvr1RAcrEmhIYq/UGraySqUouQxsVnLc8eu/340hW8DvtMS1rmyd4J+Qj SF2XhrrODKVPRHxsUxngVA6bzv9+t3Rn8ljyXk8NLLhNAy+cPR80pFW4QBHD/pB1N6DdAQp/NrLWn B9GK7rVPknhJkWakK7yzeklofepcoKeCZNx26humPZuBHIsdrmq6/0tiGUSeb4J5XzZH7T+wBwdR/ JI0gwkNw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lKceU-00Ap3d-Sh; Fri, 12 Mar 2021 07:56:07 +0000 Received: from szxga07-in.huawei.com ([45.249.212.35]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lKceJ-00Ap02-S7 for linux-arm-kernel@lists.infradead.org; Fri, 12 Mar 2021 07:55:59 +0000 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4DxdP341wMz7kNl; Fri, 12 Mar 2021 15:53:59 +0800 (CST) Received: from localhost.localdomain (10.175.102.38) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.498.0; Fri, 12 Mar 2021 15:55:37 +0800 From: 'Wei Yongjun To: , Will Deacon , Mark Rutland , Tuan Phan CC: , , , Hulk Robot Subject: [PATCH -next] perf/arm_dmc620_pmu: Fix error return code in dmc620_pmu_device_probe() Date: Fri, 12 Mar 2021 08:04:21 +0000 Message-ID: <20210312080421.277562-1-weiyongjun1@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.102.38] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210312_075556_606289_C2D4EABE X-CRM114-Status: UNSURE ( 9.25 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Wei Yongjun Fix to return negative error code -ENOMEM from the error handling case instead of 0, as done elsewhere in this function. Fixes: 53c218da220c ("driver/perf: Add PMU driver for the ARM DMC-620 memory controller") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun --- drivers/perf/arm_dmc620_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c index 66ad5b3ece19..f2a85500258d 100644 --- a/drivers/perf/arm_dmc620_pmu.c +++ b/drivers/perf/arm_dmc620_pmu.c @@ -681,6 +681,7 @@ static int dmc620_pmu_device_probe(struct platform_device *pdev) if (!name) { dev_err(&pdev->dev, "Create name failed, PMU @%pa\n", &res->start); + ret = -ENOMEM; goto out_teardown_dev; }