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 0D53BC072A2 for ; Wed, 15 Nov 2023 19:41:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234829AbjKOTlb (ORCPT ); Wed, 15 Nov 2023 14:41:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234827AbjKOTla (ORCPT ); Wed, 15 Nov 2023 14:41:30 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CA34B9 for ; Wed, 15 Nov 2023 11:41:27 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 123B6C433C9; Wed, 15 Nov 2023 19:41:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700077287; bh=vw2d8mKPW2SiRR9wi9NmJNl9ahS6DRnQgfzPMuBp6xI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qwTZyUhUu92a3GBH0UAesvkuxCAeSgo9FHP2DOD4HYUhzDP+tqt04BZMhAI1Rv5Jk wXXtXrTsDbvAKIqq4tXmEiQc5OgF81pDkbo+Q0z/XNqsdd5Z6uvTpTb68aZw8I2I75 s/wiW2CEzxJWTyOKYdOWYT8PD0eNmCCxpUEa3/XY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiasheng Jiang , AngeloGioacchino Del Regno , Stephen Boyd , Sasha Levin Subject: [PATCH 6.6 190/603] clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data Date: Wed, 15 Nov 2023 14:12:15 -0500 Message-ID: <20231115191626.399326579@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115191613.097702445@linuxfoundation.org> References: <20231115191613.097702445@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jiasheng Jiang [ Upstream commit 2befa515c1bb6cdd33c262b909d93d1973a219aa ] Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference. Fixes: 3b5e748615e7 ("clk: mediatek: add clock support for MT7629 SoC") Signed-off-by: Jiasheng Jiang Link: https://lore.kernel.org/r/20230912093407.21505-5-jiasheng@iscas.ac.cn Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/mediatek/clk-mt7629.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/clk/mediatek/clk-mt7629.c b/drivers/clk/mediatek/clk-mt7629.c index 2882107d0f240..b8a1f01bc974d 100644 --- a/drivers/clk/mediatek/clk-mt7629.c +++ b/drivers/clk/mediatek/clk-mt7629.c @@ -555,6 +555,8 @@ static int mtk_topckgen_init(struct platform_device *pdev) return PTR_ERR(base); clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); + if (!clk_data) + return -ENOMEM; mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), clk_data); @@ -579,6 +581,8 @@ static int mtk_infrasys_init(struct platform_device *pdev) struct clk_hw_onecell_data *clk_data; clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK); + if (!clk_data) + return -ENOMEM; mtk_clk_register_gates(&pdev->dev, node, infra_clks, ARRAY_SIZE(infra_clks), clk_data); @@ -602,6 +606,8 @@ static int mtk_pericfg_init(struct platform_device *pdev) return PTR_ERR(base); clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK); + if (!clk_data) + return -ENOMEM; mtk_clk_register_gates(&pdev->dev, node, peri_clks, ARRAY_SIZE(peri_clks), clk_data); -- 2.42.0