From patchwork Tue Nov 8 06:11:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 13035924 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7BBAC4332F for ; Tue, 8 Nov 2022 06:11:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233298AbiKHGLv (ORCPT ); Tue, 8 Nov 2022 01:11:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233473AbiKHGLj (ORCPT ); Tue, 8 Nov 2022 01:11:39 -0500 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49B162ED7A; Mon, 7 Nov 2022 22:11:38 -0800 (PST) Received: from canpemm500007.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4N5yR46k5CzRp5s; Tue, 8 Nov 2022 14:11:28 +0800 (CST) Received: from localhost (10.174.179.215) by canpemm500007.china.huawei.com (7.192.104.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 8 Nov 2022 14:11:36 +0800 From: YueHaibing To: , , CC: , , , YueHaibing Subject: [PATCH] phy: usb: sunplus: Fix memleak in update_disc_vol() Date: Tue, 8 Nov 2022 14:11:13 +0800 Message-ID: <20221108061113.35964-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.179.215] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To canpemm500007.china.huawei.com (7.192.104.62) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org 'otp_v' is allocated in nvmem_cell_read(), it should be freed before return. Fixes: 99d9ccd97385 ("phy: usb: Add USB2.0 phy driver for Sunplus SP7021") Signed-off-by: YueHaibing --- drivers/phy/sunplus/phy-sunplus-usb2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/phy/sunplus/phy-sunplus-usb2.c b/drivers/phy/sunplus/phy-sunplus-usb2.c index e827b79f6d49..450cf8e6d7fb 100644 --- a/drivers/phy/sunplus/phy-sunplus-usb2.c +++ b/drivers/phy/sunplus/phy-sunplus-usb2.c @@ -96,6 +96,7 @@ static int update_disc_vol(struct sp_usbphy *usbphy) set = *(otp_v + 1); set = (set << (sizeof(char) * 8)) | *otp_v; set = (set >> usbphy->disc_vol_addr_off) & J_DISC; + kfree(otp_v); } if (IS_ERR(otp_v) || set == 0)