Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp487556pxu; Wed, 14 Oct 2020 06:31:24 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyqtEpmhTHsMrK1ccGOgkCqYq4sx9jYlUXtsjXysCxp7WXFp5my3AkDXiCDWbU+EsWWICyR X-Received: by 2002:aa7:d65a:: with SMTP id v26mr5420628edr.82.1602682283796; Wed, 14 Oct 2020 06:31:23 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1602682283; cv=pass; d=google.com; s=arc-20160816; b=gGf7qB9wFJXXOWDf4ainMyi7gNMaNr8OBHGMG/ujCNk4gDJ3Q+pZRIHccDty9ixRO/ wKNzMlnPKFozdlJS4ZrdsEgrCo2QlgH1TkqnuaB2jWSvQsXVZzqFiWfyODp75mMf1guC ltNLJl/Dri9XCG+qHbcrvMg63yVYv6CT1IoJTzdhwJx3neCGZgCqIqlUDRujDYCOqfSG 7zaTQzbzVGC4YLn9owLmeJ+WILnNBTLi9LtYqP/zjs5GcfLsNph+M994KIxctzoohq7B rIYwI5jbfQ8I09cQ5+BwHG4LgBQ9z7h4S97hCLp7x2fliG5GhWDDCH1JPwDRqUlGRmyb kkJw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:subject:cc:to:from :dkim-signature; bh=IuJwmGaquEy1UX2tFjmN6OtHApjp0wNzSpAhOZy6gps=; b=W8qF9UuUt80fraO5HDeAZbxaX2+5zBmWtMOCJdRkwvI40w4iX2qY2cLNcHpl/DeR1f jUHY8zH9IYglP5Tsgz2dplpGYEYMSnPfaS48HFg2KJHWQzPPMDNKcfqgUTgYjvfiZYKX QR4m5n+caXsLdkJRJQQc+DDsXTHrJgIXp3yIiAXeKd/607c9c06tNfT6MLjjv/8EQpnO 6X9dblTkCm6w1R4zZHeWcIHDHRqc9gx/y2sTHKOeo58o/Ph0vEisyGN0Yjat5q87vCNu dm6g1uuSP9RkkD26WSAUbSGNvlwJLzttY/cO2bvDcIKXA3Zo2TmcE3UWfoKgBFd6D8xj vyBg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@windriversystems.onmicrosoft.com header.s=selector2-windriversystems-onmicrosoft-com header.b=L2WgQZoO; arc=pass (i=1 spf=pass spfdomain=windriver.com dkim=pass dkdomain=windriver.com dmarc=pass fromdomain=windriver.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id bt21si2351383edb.243.2020.10.14.06.30.59; Wed, 14 Oct 2020 06:31:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@windriversystems.onmicrosoft.com header.s=selector2-windriversystems-onmicrosoft-com header.b=L2WgQZoO; arc=pass (i=1 spf=pass spfdomain=windriver.com dkim=pass dkdomain=windriver.com dmarc=pass fromdomain=windriver.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728171AbgJNHzh (ORCPT + 99 others); Wed, 14 Oct 2020 03:55:37 -0400 Received: from mail-eopbgr770083.outbound.protection.outlook.com ([40.107.77.83]:60576 "EHLO NAM02-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726897AbgJNHzh (ORCPT ); Wed, 14 Oct 2020 03:55:37 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=F2UiFStfoEYrgQbp2/JGFd9OZzb3h76m/j4S/C7F50e04fUjpthg6as50jH9UXgK+PfjV1kzUa2DPo0YbYO2uRG7jy9K8dSLFYrEYx9qu6dpUXVdi5dHdc0eXln1RtU7jGAUU5MuvsRPMloZ61OODo1VblO9jee/rthbPzRqOYBEnfH2cVZsjKEiEcyimYYIFObcZY7FUDJ2vE83pi8Av87DBoVqkBcgp0iHyucnv03g/Zx8XqNBRcmNFlmNwoUMRKQg9Vc+jFly8wg5nStXaq0sI2HdZVCxq5gnTK4hzYEPJIGMGw1DZcIsM16R+ZcRJVXEEH+5LGiPOMCo0xF4Tw== 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=IuJwmGaquEy1UX2tFjmN6OtHApjp0wNzSpAhOZy6gps=; b=b7D+vHJHVBlqbBhd9KlzlNABK4g/vE22NOB4rrqdKqyCl7Fy9NHxqW0NrYW49hNkJ42YBsaAKFkQjPA9J2B0VBuksi1HaMNXCexI0PClWUM8XdTGLMtWxY4EyQ81ySyMG93UKxPpwzJd86ZsoKUuaUKGZ8oWhiXKjc/7kSMEI0kc53s7BIBoHIqUk4QdXO/qyHr5ujWLdpP+6dJGKzY8ZdKvd5yHwzo9WhfyMQqxj/Ypo+BeArGeWMeLmGA3EXJUthOwBekqNvwMGUYmbaVFItPRWUbRRXbYZ/fCwLBx7ekonKLDBo/BuheMBAEmBj1a1B9td4VrPjRNLgO6nU61TQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=windriver.com; dmarc=pass action=none header.from=windriver.com; dkim=pass header.d=windriver.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriversystems.onmicrosoft.com; s=selector2-windriversystems-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=IuJwmGaquEy1UX2tFjmN6OtHApjp0wNzSpAhOZy6gps=; b=L2WgQZoOa74bl0rBNRov3sgwdmmU+al9cc+sYqr3K27+55Q6RUy5DhbBD4ZOjV7SdBbMpRkp16FXv4E1/skSr/n5C+cHRQgAGLklRm+JII2t2wMAa9HY1SWrG1oCNCHDdDndc2paI5lY18lPxzAGbm1e2fwIB6vlF8sVSH4CdeQ= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=windriver.com; Received: from BYAPR11MB2632.namprd11.prod.outlook.com (2603:10b6:a02:c4::17) by BYAPR11MB3029.namprd11.prod.outlook.com (2603:10b6:a03:8e::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3477.20; Wed, 14 Oct 2020 07:55:34 +0000 Received: from BYAPR11MB2632.namprd11.prod.outlook.com ([fe80::80e9:e002:eeff:4d05]) by BYAPR11MB2632.namprd11.prod.outlook.com ([fe80::80e9:e002:eeff:4d05%3]) with mapi id 15.20.3455.030; Wed, 14 Oct 2020 07:55:34 +0000 From: Zqiang To: balbi@kernel.org, gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] usb: gadget: function: printer: Fix usb function descriptors leak Date: Wed, 14 Oct 2020 15:55:23 +0800 Message-Id: <20201014075523.15688-1-qiang.zhang@windriver.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain X-Originating-IP: [60.247.85.82] X-ClientProxiedBy: BYAPR05CA0105.namprd05.prod.outlook.com (2603:10b6:a03:e0::46) To BYAPR11MB2632.namprd11.prod.outlook.com (2603:10b6:a02:c4::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pek-qzhang2-d1.wrs.com (60.247.85.82) by BYAPR05CA0105.namprd05.prod.outlook.com (2603:10b6:a03:e0::46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3477.13 via Frontend Transport; Wed, 14 Oct 2020 07:55:32 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: aecd6417-69e0-450b-42b0-08d8701687d6 X-MS-TrafficTypeDiagnostic: BYAPR11MB3029: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2803; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: TYbBfStjPb5xr99h/10JYPnLpRZE/oGoC4GrYhuLWwoGwtIAir8qvQWosZkA41ubJwFLEaJ8UdjRPAW0E6KMlJavFOVkVNp2HowKm7+B2H3BG6NK2Shv6WZtwVTgFcgep5IsgjSdFteDqSATDfvLqdYhffrHDLc26iJjpCrK5CSmed5+ro0o1078+kp2oF7kXSdRzZLQexNVTFlYViufCwKV1yuc/sq7onmnkoqcc51zcbiddnp+IUND/xVkqz/ZVAHdvZqMMnvMMlCRG6PVi3EV93BJMAugAiCbGXlxCS2+I5PLAafAqpNU2ROiEgiz/9RuXQgX6xWc30PntTxLvA== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR11MB2632.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(136003)(396003)(376002)(346002)(39850400004)(366004)(16526019)(66476007)(4326008)(66946007)(66556008)(8676002)(316002)(956004)(186003)(2616005)(6506007)(52116002)(8936002)(478600001)(26005)(6512007)(6486002)(2906002)(86362001)(6666004)(5660300002)(1076003)(4744005)(36756003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: windriver.com X-MS-Exchange-CrossTenant-Network-Message-Id: aecd6417-69e0-450b-42b0-08d8701687d6 X-MS-Exchange-CrossTenant-AuthSource: BYAPR11MB2632.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2020 07:55:34.7969 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ddb2873-a1ad-4a18-ae4e-4644631433be X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: y4czeABXkf5krJN3BNAspTa4BRX+7LjssKiE5lrZ0KdFeFl1OER3TkJsnFj59CvZ+JNDl6fe3JgtR8TS5TidRxTGHq7hHXoA40u3wVeDdRA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB3029 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If an error occurs after call 'usb_assign_descriptors' func, the 'usb_free_all_descriptors' need to be call to release memory space occupied by function descriptors. Signed-off-by: Zqiang --- drivers/usb/gadget/function/f_printer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 64a4112068fc..2f1eb2e81d30 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1162,6 +1162,7 @@ static int printer_func_bind(struct usb_configuration *c, printer_req_free(dev->in_ep, req); } + usb_free_all_descriptors(f); return ret; } -- 2.17.1