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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 E245CC47E4B for ; Mon, 12 Jul 2021 08:39:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C15BB6115A for ; Mon, 12 Jul 2021 08:39:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378964AbhGLIlk (ORCPT ); Mon, 12 Jul 2021 04:41:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:35480 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350398AbhGLHu7 (ORCPT ); Mon, 12 Jul 2021 03:50:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B5C62617ED; Mon, 12 Jul 2021 07:45:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626075904; bh=AE7jIRAG/tse4Br2mzz5ghbxOdMVAeBxJs/3J4GaXMk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2RcRtZUf+yz+GO90AOQI5pribUdCQJ3Bjr+lqUiHdRqk3hB924gYmV6XSizAkWRBm 5xXlBKFz1+8fLe3BxKXFuS43Sh4TZMQFK7TsYMuWbDSF6nPU3jkofoeKWCBKogonGQ B9Hw2h53VCzB413acauW22KWFo9oPVMDEkvEheAY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Yang Yingliang , "David S. Miller" , Sasha Levin Subject: [PATCH 5.13 413/800] net: ftgmac100: add missing error return code in ftgmac100_probe() Date: Mon, 12 Jul 2021 08:07:16 +0200 Message-Id: <20210712061011.114832071@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060912.995381202@linuxfoundation.org> References: <20210712060912.995381202@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: Yang Yingliang [ Upstream commit 52af13a41489d7bbc1932d17583eff6e5fffc820 ] The variables will be free on path err_phy_connect, it should return error code, or it will cause double free when calling ftgmac100_remove(). Fixes: bd466c3fb5a4 ("net/faraday: Support NCSI mode") Fixes: 39bfab8844a0 ("net: ftgmac100: Add support for DT phy-handle property") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/faraday/ftgmac100.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 04421aec2dfd..11dbbfd38770 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1830,14 +1830,17 @@ static int ftgmac100_probe(struct platform_device *pdev) if (np && of_get_property(np, "use-ncsi", NULL)) { if (!IS_ENABLED(CONFIG_NET_NCSI)) { dev_err(&pdev->dev, "NCSI stack not enabled\n"); + err = -EINVAL; goto err_phy_connect; } dev_info(&pdev->dev, "Using NCSI interface\n"); priv->use_ncsi = true; priv->ndev = ncsi_register_dev(netdev, ftgmac100_ncsi_handler); - if (!priv->ndev) + if (!priv->ndev) { + err = -EINVAL; goto err_phy_connect; + } } else if (np && of_get_property(np, "phy-handle", NULL)) { struct phy_device *phy; @@ -1856,6 +1859,7 @@ static int ftgmac100_probe(struct platform_device *pdev) &ftgmac100_adjust_link); if (!phy) { dev_err(&pdev->dev, "Failed to connect to phy\n"); + err = -EINVAL; goto err_phy_connect; } -- 2.30.2