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 9F66DC433EF for ; Mon, 7 Mar 2022 09:56:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238859AbiCGJ5T (ORCPT ); Mon, 7 Mar 2022 04:57:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238971AbiCGJ4l (ORCPT ); Mon, 7 Mar 2022 04:56:41 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 085C57892A; Mon, 7 Mar 2022 01:45:48 -0800 (PST) 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 B172B6116E; Mon, 7 Mar 2022 09:45:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC576C340E9; Mon, 7 Mar 2022 09:45:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646646345; bh=lA1UPH5y1HxaCRDqKeMKCobJhTqi7g8S5SnadOXS1QE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z/xi1eDXw0YvDLMmO33d3D7fHASemKMMu0NfCfMo6gpL60jZLW2WDVjUwuCHuFo0j u8KM8pZjCpZzFcAYV23okU+9rLxF0ZSWyEEuwnQiXxiB3MJvO2Ki4xevm7Ab25UNHx nLRzBqOcoD3uYvNdq/PtaeiPbEuGOaQaexSzD8Mw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tyrel Datwyler , Christophe JAILLET , Li Yang , Sasha Levin Subject: [PATCH 5.15 211/262] soc: fsl: guts: Add a missing memory allocation failure check Date: Mon, 7 Mar 2022 10:19:15 +0100 Message-Id: <20220307091708.839277782@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220307091702.378509770@linuxfoundation.org> References: <20220307091702.378509770@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: stable@vger.kernel.org From: Christophe JAILLET [ Upstream commit b9abe942cda43a1d46a0fd96efb54f1aa909f757 ] If 'devm_kstrdup()' fails, we should return -ENOMEM. While at it, move the 'of_node_put()' call in the error handling path and after the 'machine' has been copied. Better safe than sorry. Fixes: a6fc3b698130 ("soc: fsl: add GUTS driver for QorIQ platforms") Depends-on: fddacc7ff4dd ("soc: fsl: guts: Revert commit 3c0d64e867ed") Suggested-by: Tyrel Datwyler Signed-off-by: Christophe JAILLET Signed-off-by: Li Yang Signed-off-by: Sasha Levin --- drivers/soc/fsl/guts.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c index 67b079fc0c8e..75eabfb916cb 100644 --- a/drivers/soc/fsl/guts.c +++ b/drivers/soc/fsl/guts.c @@ -160,9 +160,14 @@ static int fsl_guts_probe(struct platform_device *pdev) root = of_find_node_by_path("/"); if (of_property_read_string(root, "model", &machine)) of_property_read_string_index(root, "compatible", 0, &machine); - of_node_put(root); - if (machine) + if (machine) { soc_dev_attr.machine = devm_kstrdup(dev, machine, GFP_KERNEL); + if (!soc_dev_attr.machine) { + of_node_put(root); + return -ENOMEM; + } + } + of_node_put(root); svr = fsl_guts_get_svr(); soc_die = fsl_soc_die_match(svr, fsl_soc_die); -- 2.34.1