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 22403C54EBD for ; Thu, 12 Jan 2023 14:22:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235205AbjALOWX (ORCPT ); Thu, 12 Jan 2023 09:22:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236655AbjALOVq (ORCPT ); Thu, 12 Jan 2023 09:21:46 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6ABD559510 for ; Thu, 12 Jan 2023 06:12:53 -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 sin.source.kernel.org (Postfix) with ESMTPS id D9A2BCE1E59 for ; Thu, 12 Jan 2023 14:12:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C72B7C433D2; Thu, 12 Jan 2023 14:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673532770; bh=tCdDXiEB4f7Rnmk54YUYOQZ5oM6PkV7nDSXefdE5fZ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L8brNhf/yUCCF2NZ+UapfNsBxRn8Wj4HEEUrnhQWQ3/Z0X4AMQIRULCMNzeYdAnYK W6wUPKSYl2Bul+rD/w+o2WDgjKdEGvN9/59o8716BMlsY8UbG8yJZ/mNkm9s5ys9Th i9ZgVzLhvamCY39fntjhsAqpWmL0Pw4ZLlMOOa44= 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 5.10 240/783] clk: samsung: Fix memory leak in _samsung_clk_register_pll() Date: Thu, 12 Jan 2023 14:49:16 +0100 Message-Id: <20230112135535.508372160@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230112135524.143670746@linuxfoundation.org> References: <20230112135524.143670746@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 ac70ad785d8e..33df20f813d5 100644 --- a/drivers/clk/samsung/clk-pll.c +++ b/drivers/clk/samsung/clk-pll.c @@ -1390,6 +1390,7 @@ 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