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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 321A1C77B6C for ; Mon, 3 Apr 2023 14:49:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234118AbjDCOtU (ORCPT ); Mon, 3 Apr 2023 10:49:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234114AbjDCOtD (ORCPT ); Mon, 3 Apr 2023 10:49:03 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A0E310F1 for ; Mon, 3 Apr 2023 07:47:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id EFCAE61903 for ; Mon, 3 Apr 2023 14:47:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DDABC433EF; Mon, 3 Apr 2023 14:47:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1680533276; bh=noVZb804vuPDQVTQr3X92/tFr/DAUTuTMhxnNHqblGA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mAQ1//z2eApyTLs1oQkAIaifiNB5vXmq1e5pDQG8ghtgjErqjTkno3BMjl6qFC/w4 NHz5JoozfUd94DerKb6tsx6knnesZFSapxXLpVU3WCxtJYv5Tzh/daGvikWW4myNIG 28GP4Yj0qa3QZ9Fzsy68lvcLfo5p4/HkzcxBeH7w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, SongJingyi , Dan Carpenter , Dongliang Mu , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.2 082/187] ptp_qoriq: fix memory leak in probe() Date: Mon, 3 Apr 2023 16:08:47 +0200 Message-Id: <20230403140418.656990984@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230403140416.015323160@linuxfoundation.org> References: <20230403140416.015323160@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: SongJingyi [ Upstream commit f33642224e38d7e0d59336e10e7b4e370b1c4506 ] Smatch complains that: drivers/ptp/ptp_qoriq.c ptp_qoriq_probe() warn: 'base' from ioremap() not released. Fix this by revising the parameter from 'ptp_qoriq->base' to 'base'. This is only a bug if ptp_qoriq_init() returns on the first -ENODEV error path. For other error paths ptp_qoriq->base and base are the same. And this change makes the code more readable. Fixes: 7f4399ba405b ("ptp_qoriq: fix NULL access if ptp dt node missing") Signed-off-by: SongJingyi Reviewed-by: Dan Carpenter Reviewed-by: Dongliang Mu Link: https://lore.kernel.org/r/20230324031406.1895159-1-u201912584@hust.edu.cn Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/ptp/ptp_qoriq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index 08f4cf0ad9e3c..8fa9772acf79b 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -601,7 +601,7 @@ static int ptp_qoriq_probe(struct platform_device *dev) return 0; no_clock: - iounmap(ptp_qoriq->base); + iounmap(base); no_ioremap: release_resource(ptp_qoriq->rsrc); no_resource: -- 2.39.2