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 BD04FC46467 for ; Mon, 16 Jan 2023 17:02:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231397AbjAPRC0 (ORCPT ); Mon, 16 Jan 2023 12:02:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234154AbjAPRBz (ORCPT ); Mon, 16 Jan 2023 12:01:55 -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 E25BCB46B for ; Mon, 16 Jan 2023 08:43:59 -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 82DF061050 for ; Mon, 16 Jan 2023 16:43:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 976B9C433D2; Mon, 16 Jan 2023 16:43:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673887439; bh=XcKqXjicsE4RpB26nqk2BrcH1KF+POS3pWOXIxr5+Xw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G+eTQs91u4IUPKGG80SnvKCRpe5Fxtan59imyN4/wUQZ6UiKRRRtIbAIcBM+U+yIz gcj8+zxnQLGJaRpkx4D3vvsK6yZoldYJRP0hgO8ccK3O9MsEkgAvVrQY+JyZmA4Duy PmIYpvTL6davdqx+K8tZmYVtEmQ7ZbQXOXti30As= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Xiu Jianfeng , Alim Akhtar , Stephen Boyd , Sasha Levin Subject: [PATCH 4.19 150/521] clk: samsung: Fix memory leak in _samsung_clk_register_pll() Date: Mon, 16 Jan 2023 16:46:52 +0100 Message-Id: <20230116154853.972802570@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154847.246743274@linuxfoundation.org> References: <20230116154847.246743274@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: Xiu Jianfeng [ Upstream commit 5174e5b0d1b669a489524192b6adcbb3c54ebc72 ] If clk_register() fails, @pll->rate_table may have allocated memory by kmemdup(), so it needs to be freed, otherwise will cause memory leak issue, this patch fixes it. Fixes: 3ff6e0d8d64d ("clk: samsung: Add support to register rate_table for samsung plls") Signed-off-by: Xiu Jianfeng Link: https://lore.kernel.org/r/20221123032015.63980-1-xiujianfeng@huawei.com Reviewed-by: Alim Akhtar Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/samsung/clk-pll.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c index 1c4c7a3039f1..8cbf0f2cf196 100644 --- a/drivers/clk/samsung/clk-pll.c +++ b/drivers/clk/samsung/clk-pll.c @@ -1392,6 +1392,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx, if (ret) { pr_err("%s: failed to register pll clock %s : %d\n", __func__, pll_clk->name, ret); + kfree(pll->rate_table); kfree(pll); return; } -- 2.35.1