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=-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,SPF_HELO_NONE,SPF_PASS,URIBL_RED, 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 86EBFC433DB for ; Mon, 28 Dec 2020 12:55:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A421208BA for ; Mon, 28 Dec 2020 12:55:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728601AbgL1Mzn (ORCPT ); Mon, 28 Dec 2020 07:55:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:51624 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727744AbgL1Mzl (ORCPT ); Mon, 28 Dec 2020 07:55:41 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 30B5121D94; Mon, 28 Dec 2020 12:55:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609160125; bh=OrwJrGcTg4tAr/X+3gWrpqUITrvwyGyv8UDuheifhIQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dd2mB9K3IjpxVoL1qNOXDdYkZeUoy0hksJeT64A/msKM1hAeQaDzK4tvVGzWAMwYk +X2LEdPnJxnXUocBMlzYBM6jpNKFvyy1GlM5xj0exMJYTOr8D0DFopW5ibajI+AKSJ GlL5TVpZCOQCgLhkSNQbncsU5x/JLuVNYQG5XXKA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Zhang Qilong , Sasha Levin Subject: [PATCH 4.4 077/132] usb: oxu210hp-hcd: Fix memory leak in oxu_create Date: Mon, 28 Dec 2020 13:49:21 +0100 Message-Id: <20201228124850.158328654@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228124846.409999325@linuxfoundation.org> References: <20201228124846.409999325@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zhang Qilong [ Upstream commit e5548b05631ec3e6bfdaef1cad28c799545b791b ] usb_create_hcd will alloc memory for hcd, and we should call usb_put_hcd to free it when adding fails to prevent memory leak. Fixes: b92a78e582b1a ("usb host: Oxford OXU210HP HCD driver") Reported-by: Hulk Robot Signed-off-by: Zhang Qilong Link: https://lore.kernel.org/r/20201123145809.1456541-1-zhangqilong3@huawei.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/host/oxu210hp-hcd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index 1f139d82cee08..d1e0d9d4e7a60 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -3741,8 +3741,10 @@ static struct usb_hcd *oxu_create(struct platform_device *pdev, oxu->is_otg = otg; ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret < 0) + if (ret < 0) { + usb_put_hcd(hcd); return ERR_PTR(ret); + } device_wakeup_enable(hcd->self.controller); return hcd; -- 2.27.0