From patchwork Wed May 12 13:11:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Basavaraj Natikar X-Patchwork-Id: 12253551 X-Patchwork-Delegate: jikos@jikos.cz 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,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 53DB8C433B4 for ; Wed, 12 May 2021 13:12:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29B1D613EE for ; Wed, 12 May 2021 13:12:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231980AbhELNNq (ORCPT ); Wed, 12 May 2021 09:13:46 -0400 Received: from mail-bn7nam10on2051.outbound.protection.outlook.com ([40.107.92.51]:45536 "EHLO NAM10-BN7-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231695AbhELNNp (ORCPT ); Wed, 12 May 2021 09:13:45 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bXFYSwrKJP231PnqB74AqFTNjyVoxAIWLTe54KM8GuXhzb0X07ubCoWGWu1lemCN64pLXQGIa9pxpg7Gb/1UfL8SlzK04RG3KFWLugwiLgAmm0lkqVzRYPgi2zhv66KT87LNkibt0QMqbbK4J5TLZ1ngf4PDqsd/f57QdEsxW6NR8ve7w/R/pM/jN56ytseyz3jm7PjOSK/YlItUoLT4FAECY4gWtxlrHADbDEIhvofNmivkcI8SSo4VmkfvqWXwXmEZfykGrtSf1Jc4T2P5dsjwpyrNVow0AKhJUmVoibvTFFWbEaZJi8aKmgeMekwFYrHDztgCTjQhGEZ04YWNkw== 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-SenderADCheck; bh=o9sqHgR3nNXF8teSN+CjgNFW+syzDQx8hvusf5rK29o=; b=VjCVBoJbIDnp/JUIxo/IkxpyHGW3Q10K1GUo3S8+d5ruHeXc9tUhtN21fLKZJXmvA5KzfOM55M/+QfY/SfHZSurpNAyhq53NGFQGv/QaqTdyCR4pZz7jVc8HzDNw3BBQaEMtdqbQIaGLIQUmObQNdQltPv97lGUSh4xt24/2He3eAJMnIcWIjnzJLkW6SWO5kTEaPe0Ws/qjLwSmgA8DfnUbP1ug4DECpBwNllS+4nA3DeFvquYaaJQeJUiAD7w9xfeePjSE4+kg2AyzOVrXhxjdifEdomQ3/fneSlXTuKlNdeZfeUo6KJ5ULaMOqXteu/GW3inAC1kNlTvWqYZfsg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=o9sqHgR3nNXF8teSN+CjgNFW+syzDQx8hvusf5rK29o=; b=491uZ11CPRneHjBsLNhwRuvz7BlNAEmfISbcPZk/Fvv9Y9VBYWi4njb7D00Kytze+2n1poe29GrcDaKkYhmhA865vMnn5JvZOls8kM70Fv9ZpnBEOrodyA8WmmPHGjlxyy5I3v9Y6pdLN+X+o+phEMC4KMNGFm8giplOXNdHhzo= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=amd.com; Received: from DM6PR12MB4812.namprd12.prod.outlook.com (2603:10b6:5:1ff::24) by DM6PR12MB4218.namprd12.prod.outlook.com (2603:10b6:5:21b::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.26; Wed, 12 May 2021 13:12:36 +0000 Received: from DM6PR12MB4812.namprd12.prod.outlook.com ([fe80::52f:e464:d09e:67fa]) by DM6PR12MB4812.namprd12.prod.outlook.com ([fe80::52f:e464:d09e:67fa%7]) with mapi id 15.20.4108.031; Wed, 12 May 2021 13:12:36 +0000 From: Basavaraj Natikar To: jikos@kernel.org, benjamin.tissoires@redhat.com, linux-input@vger.kernel.org Cc: Nehal-Bakulchandra.shah@amd.com, Sandeep.Singh@amd.com, shyam-sundar.s-k@amd.com, Basavaraj Natikar , Shyam Sundar S K Subject: [PATCH 1/2] amd_sfh: Use devm_kzalloc() instead of kzalloc() Date: Wed, 12 May 2021 18:41:55 +0530 Message-Id: <20210512131156.740493-2-Basavaraj.Natikar@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210512131156.740493-1-Basavaraj.Natikar@amd.com> References: <20210512131156.740493-1-Basavaraj.Natikar@amd.com> X-Originating-IP: [165.204.156.251] X-ClientProxiedBy: MAXPR01CA0118.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:5d::36) To DM6PR12MB4812.namprd12.prod.outlook.com (2603:10b6:5:1ff::24) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from amd-DAYTONA-X.amd.com (165.204.156.251) by MAXPR01CA0118.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:5d::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.25 via Frontend Transport; Wed, 12 May 2021 13:12:33 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: edb870ff-5967-4620-6646-08d915479ca7 X-MS-TrafficTypeDiagnostic: DM6PR12MB4218: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2958; X-MS-Exchange-SenderADCheck: 1 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:DM6PR12MB4812.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(136003)(346002)(376002)(366004)(396003)(39860400002)(66556008)(4326008)(8676002)(66476007)(36756003)(316002)(66946007)(186003)(8936002)(7696005)(956004)(2616005)(86362001)(6486002)(26005)(52116002)(16526019)(83380400001)(478600001)(54906003)(5660300002)(38100700002)(1076003)(6666004)(38350700002)(2906002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: edb870ff-5967-4620-6646-08d915479ca7 X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB4812.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 May 2021 13:12:36.6502 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MQgZaxMUhhB7wYvPWbPnpWm+91G5tBlPZC/DoPG1GUojrkbXjpXphRELdE5EdjpRJSmiT3e2yvdTxmA6gyVJmw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4218 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Replace kzalloc with devm_kzalloc in driver initialization sequence. The allocation can be tied to the lifetime of the amd_sfh driver. This cleans up an exit & error paths, since the objects does not need to be explicitly freed anymore. Fixes: 4b2c53d93a4b ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)") Reviewed-by: Shyam Sundar S K Signed-off-by: Basavaraj Natikar --- drivers/hid/amd-sfh-hid/amd_sfh_client.c | 18 +++++++++--------- drivers/hid/amd-sfh-hid/amd_sfh_hid.c | 3 --- 2 files changed, 9 insertions(+), 12 deletions(-) diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index 2ab38b715347..d04d6bd4623d 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -142,7 +142,7 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) int rc, i; dev = &privdata->pdev->dev; - cl_data = kzalloc(sizeof(*cl_data), GFP_KERNEL); + cl_data = devm_kzalloc(dev, sizeof(*cl_data), GFP_KERNEL); if (!cl_data) return -ENOMEM; @@ -175,12 +175,12 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) rc = -EINVAL; goto cleanup; } - cl_data->feature_report[i] = kzalloc(feature_report_size, GFP_KERNEL); + cl_data->feature_report[i] = devm_kzalloc(dev, feature_report_size, GFP_KERNEL); if (!cl_data->feature_report[i]) { rc = -ENOMEM; goto cleanup; } - cl_data->input_report[i] = kzalloc(input_report_size, GFP_KERNEL); + cl_data->input_report[i] = devm_kzalloc(dev, input_report_size, GFP_KERNEL); if (!cl_data->input_report[i]) { rc = -ENOMEM; goto cleanup; @@ -189,7 +189,8 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) info.sensor_idx = cl_idx; info.dma_address = cl_data->sensor_dma_addr[i]; - cl_data->report_descr[i] = kzalloc(cl_data->report_descr_sz[i], GFP_KERNEL); + cl_data->report_descr[i] = + devm_kzalloc(dev, cl_data->report_descr_sz[i], GFP_KERNEL); if (!cl_data->report_descr[i]) { rc = -ENOMEM; goto cleanup; @@ -214,11 +215,11 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) cl_data->sensor_virt_addr[i], cl_data->sensor_dma_addr[i]); } - kfree(cl_data->feature_report[i]); - kfree(cl_data->input_report[i]); - kfree(cl_data->report_descr[i]); + devm_kfree(dev, cl_data->feature_report[i]); + devm_kfree(dev, cl_data->input_report[i]); + devm_kfree(dev, cl_data->report_descr[i]); } - kfree(cl_data); + devm_kfree(dev, cl_data); return rc; } @@ -241,6 +242,5 @@ int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata) cl_data->sensor_dma_addr[i]); } } - kfree(cl_data); return 0; } diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c index 4f989483aa03..5ad1e7acd294 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c @@ -162,9 +162,6 @@ void amdtp_hid_remove(struct amdtp_cl_data *cli_data) int i; for (i = 0; i < cli_data->num_hid_devices; ++i) { - kfree(cli_data->feature_report[i]); - kfree(cli_data->input_report[i]); - kfree(cli_data->report_descr[i]); if (cli_data->hid_sensor_hubs[i]) { kfree(cli_data->hid_sensor_hubs[i]->driver_data); hid_destroy_device(cli_data->hid_sensor_hubs[i]); From patchwork Wed May 12 13:11:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Basavaraj Natikar X-Patchwork-Id: 12253553 X-Patchwork-Delegate: jikos@jikos.cz 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,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 2C52DC433ED for ; Wed, 12 May 2021 13:12:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EDCE8613EB for ; Wed, 12 May 2021 13:12:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231846AbhELNNz (ORCPT ); Wed, 12 May 2021 09:13:55 -0400 Received: from mail-bn7nam10on2062.outbound.protection.outlook.com ([40.107.92.62]:10368 "EHLO NAM10-BN7-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231695AbhELNNy (ORCPT ); Wed, 12 May 2021 09:13:54 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VT9WGaxG3CtGY6gV0NF4CGrgMQr/9BnNvxn4NaRdVUe+mKpwc8U+YC433Y5K373uCrpetqe1m0TZ8eToaY705R9kKf8gbCCsquH1qugCA/emxt3vuAQdrzQ7wjk4No72KmL52YD6L4FF/K8OtD7sbH5/aANh4eproGmIoYEfrAnJWImNqjN3a1jPHT1aNVclbevGAHMX5uU1Eo9rDoTx/3YeRjRfFUaL7T0nFPnezwhVNza4QRCpwlWxZLSJumJal2CPll0ejJFY7fk5DYqq+rX1ThF5lGP78VtSAFlDSGqPvEnKpe2euh3Y5NH1RivbiEbUI22ir8c1JAGujzmPxw== 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-SenderADCheck; bh=V5ZEQH40bV4yhJNbWkvuRHBEA9MkWHTzkzFVFZAu6Lk=; b=lTemDJbHeie7UCRAQPnoI6kF+R5WCEAPwWCsGRmpKcOaAOKDDxBypbdO2yeOGN7qKZChGKThWH1pncRSOUh4K90Uxkl76sJgalf/IGzq0ufxZ4tgZueWyaIzugX1RPQ7m8nHuYRaumFUZVKNN9cuxBynOJnxOEzWE8dD4kp6NzLopdVWd8rwooIGwhMQMfHvubmhDabZbGr2+nf9q0cwl/n5ADggsCu2plIKyMYNNrPmOKzzLL1q/TH+Ksptl75Sfcl19pIK7qoN4UezQYuYsZ49+m0TaD8K2m8stG5zMOEU3Frn6UYClU0OiHxNcsN/NS0G1XhtLsAPl7FyqzNbhA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=V5ZEQH40bV4yhJNbWkvuRHBEA9MkWHTzkzFVFZAu6Lk=; b=eWxsbZ2O+nSxM4etc0V++bM8mDsu4D1R7wUh1TBsgG7Wvu7xd9lQn/1dnQfqzU9pp0Jj+IOxEX0Z8z2aUP3bPUuOco4PQYeYPhTQTyJTZfXpJew3JWH1M6Rk7F4NeAt0FJ8lVO1TefIc9bn61gFMnO6OWf+VwlQmvqQoQhJ5ADY= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=amd.com; Received: from DM6PR12MB4812.namprd12.prod.outlook.com (2603:10b6:5:1ff::24) by DM5PR12MB1259.namprd12.prod.outlook.com (2603:10b6:3:75::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.27; Wed, 12 May 2021 13:12:45 +0000 Received: from DM6PR12MB4812.namprd12.prod.outlook.com ([fe80::52f:e464:d09e:67fa]) by DM6PR12MB4812.namprd12.prod.outlook.com ([fe80::52f:e464:d09e:67fa%7]) with mapi id 15.20.4108.031; Wed, 12 May 2021 13:12:45 +0000 From: Basavaraj Natikar To: jikos@kernel.org, benjamin.tissoires@redhat.com, linux-input@vger.kernel.org Cc: Nehal-Bakulchandra.shah@amd.com, Sandeep.Singh@amd.com, shyam-sundar.s-k@amd.com, Basavaraj Natikar , Shyam Sundar S K Subject: [PATCH 2/2] amd_sfh: Fix memory leak in amd_sfh_work Date: Wed, 12 May 2021 18:41:56 +0530 Message-Id: <20210512131156.740493-3-Basavaraj.Natikar@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210512131156.740493-1-Basavaraj.Natikar@amd.com> References: <20210512131156.740493-1-Basavaraj.Natikar@amd.com> X-Originating-IP: [165.204.156.251] X-ClientProxiedBy: MAXPR01CA0118.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:5d::36) To DM6PR12MB4812.namprd12.prod.outlook.com (2603:10b6:5:1ff::24) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from amd-DAYTONA-X.amd.com (165.204.156.251) by MAXPR01CA0118.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:5d::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.25 via Frontend Transport; Wed, 12 May 2021 13:12:42 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: f73a81a1-02a4-4d40-1c29-08d91547a1bf X-MS-TrafficTypeDiagnostic: DM5PR12MB1259: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6790; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: Y4mU+v+jF6W5CV3RXbnGorlLZHDecA3xppbICVLcdV3RZJhtTshLIwm9Vu21WbKE7lHGkLjQTKgCX7w24V4DqrQl2fYboYx7dIy+LM4NlLe0hornKBbTw38EH7kuoyI++Biu5Qpc+jzo9Xw0FDZELKfoxjx8+VBMVo34+22udSPSffERwy/0uIA8Hja8MLLm/IEScETwwHdQretjstzViqpB2TQeSuihAO3L6mb33MFTXshalLI3yTwo6QeofDuBVqGzpGPWkSBIkMnN7CNI+masi83r9cJFGY2Z918ayseRytquxFNV0Vs0cqQp2I798RZL6FPBAfwucWwdVLP2ODEqYdWwNGxhuSCV1O9oNyJqJjuVz+1HckpBzS4roJltZ6U+gest47JW7yD5ewzTyvinQkx6DYxcOYAlpsdUu1RYa5QErFEkBbuy2LLclb4XA7SFGeIQr2oeZQZ8eaGNehINO0GTuAmNVjlhItZ7/v2JvR4CzluOc91cPUXHGfC4473edLs3D4rxjoMJcJflTJ4kX5poX6PBne1bHo8Xnh1yNMZXdeqlZS7zYh9jM1wFeWPbxY5jinSLyc0G9BDjHFgWmJyrctFO6vaTACsbHpI0xhKvt0c0nMn2Si7AwfaUOIJYnhNewcbLiI1sqhfhN6PsmElXxamcNU8h9+kEfKA= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM6PR12MB4812.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(136003)(346002)(39860400002)(396003)(366004)(376002)(38350700002)(86362001)(52116002)(8676002)(38100700002)(2616005)(316002)(26005)(6666004)(66946007)(6486002)(1076003)(7696005)(54906003)(2906002)(186003)(66556008)(16526019)(478600001)(66476007)(5660300002)(8936002)(83380400001)(36756003)(4326008)(956004);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: f73a81a1-02a4-4d40-1c29-08d91547a1bf X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB4812.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 May 2021 13:12:45.1472 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: h8OYAuF1AAtEiSk538MpYzk1iwfkYsz2+VvFtj0htH03rXR9ChNB2HVyhPIt+AmJoYXd7po6MmTrTKuckF+veg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1259 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Kmemleak tool detected a memory leak in the amd_sfh driver. ==================== unreferenced object 0xffff88810228ada0 (size 32): comm "insmod", pid 3968, jiffies 4295056001 (age 775.792s) hex dump (first 32 bytes): 00 20 73 1f 81 88 ff ff 00 01 00 00 00 00 ad de . s............. 22 01 00 00 00 00 ad de 01 00 02 00 00 00 00 00 "............... backtrace: [<000000007b4c8799>] kmem_cache_alloc_trace+0x163/0x4f0 [<0000000005326893>] amd_sfh_get_report+0xa4/0x1d0 [amd_sfh] [<000000002a9e5ec4>] amdtp_hid_request+0x62/0x80 [amd_sfh] [<00000000b8a95807>] sensor_hub_get_feature+0x145/0x270 [hid_sensor_hub] [<00000000fda054ee>] hid_sensor_parse_common_attributes+0x215/0x460 [hid_sensor_iio_common] [<0000000021279ecf>] hid_accel_3d_probe+0xff/0x4a0 [hid_sensor_accel_3d] [<00000000915760ce>] platform_probe+0x6a/0xd0 [<0000000060258a1f>] really_probe+0x192/0x620 [<00000000fa812f2d>] driver_probe_device+0x14a/0x1d0 [<000000005e79f7fd>] __device_attach_driver+0xbd/0x110 [<0000000070d15018>] bus_for_each_drv+0xfd/0x160 [<0000000013a3c312>] __device_attach+0x18b/0x220 [<000000008c7b4afc>] device_initial_probe+0x13/0x20 [<00000000e6e99665>] bus_probe_device+0xfe/0x120 [<00000000833fa90b>] device_add+0x6a6/0xe00 [<00000000fa901078>] platform_device_add+0x180/0x380 ==================== The fix is to freeing request_list entry once the processed entry is removed from the request_list. Fixes: 4b2c53d93a4b ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)") Reviewed-by: Shyam Sundar S K Signed-off-by: Basavaraj Natikar --- drivers/hid/amd-sfh-hid/amd_sfh_client.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index d04d6bd4623d..3589d9945da1 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -88,6 +88,7 @@ static void amd_sfh_work(struct work_struct *work) sensor_index = req_node->sensor_idx; report_id = req_node->report_id; node_type = req_node->report_type; + kfree(req_node); if (node_type == HID_FEATURE_REPORT) { report_size = get_feature_report(sensor_index, report_id,