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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 23895C83001 for ; Wed, 29 Apr 2020 03:14:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E93B320730 for ; Wed, 29 Apr 2020 03:14:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="EHG1MJIH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E93B320730 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=vivo.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=CUhSNe/In4R6p/25mlo9sW1imHyNoq43DLYsDNcxWWQ=; b=EHG1MJIHyltKHP aPgiAiTi01LIEmVP3qAf7ah1IauxXGCdh5xr3HCQkkG9BT6Tqf648yyf1YOmfz6xCbR+kfTzgDeYy gq4gE2YPoVurqrZNEXbcxIDRNQ5q8/6SksHLI9eMb7sKdHC158depiVaC0BCPFx9E/SWDDFUwiP4h fx8gecZK8etKswUOv0groR3jSOGsCbNowWM9TndukW91kOYgfbbLXnT3X8SQWgLICjFu05zL4hZrS yn+jFL8J5Hx5FJ6cZSSA2YbuGz0DEa+PX7UIzb01Se4K8z8O5mZX/llbHD7wY18eWehYlwsOX2ceE nh/eU7hHGEOphdPXfCAw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTdBH-0001X5-Hu; Wed, 29 Apr 2020 03:14:39 +0000 Received: from mail-m17613.qiye.163.com ([59.111.176.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTdB7-0001OM-DS for linux-amlogic@lists.infradead.org; Wed, 29 Apr 2020 03:14:31 +0000 Received: from ubuntu.localdomain (unknown [157.0.31.122]) by mail-m17613.qiye.163.com (Hmail) with ESMTPA id 52F79481854; Wed, 29 Apr 2020 11:14:23 +0800 (CST) From: Bernard Zhao To: Neil Armstrong , Jerome Brunet , Michael Turquette , Stephen Boyd , Kevin Hilman , linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] clk/meson: fixes memleak issue in init err branch Date: Tue, 28 Apr 2020 20:14:15 -0700 Message-Id: <20200429031416.3900-1-bernard@vivo.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZT1VPTkpLS0tJSkhNSUhLTllXWShZQU hPN1dZLVlBSVdZCQ4XHghZQVk1NCk2OjckKS43PlkG X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6MC46Lyo5DTg*ME5WDTA0OSwr SRAaCzNVSlVKTkNDSkhLS01ITk1NVTMWGhIXVRkeCRUaCR87DRINFFUYFBZFWVdZEgtZQVlKTkxV S1VISlVKSUlZV1kIAVlBSUxCQjcG X-HM-Tid: 0a71c3eda48f93bakuws52f79481854 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200428_201429_624374_3F3BB78C X-CRM114-Status: UNSURE ( 7.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: opensource.kernel@vivo.com, Bernard Zhao Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org In common init function, when run into err branch, we didn`t use kfree to release kzmalloc area, this may bring in memleak Signed-off-by: Bernard Zhao --- drivers/clk/meson/meson8b.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 34a70c4b4899..0f07d5a4cd16 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -3687,6 +3687,7 @@ static void __init meson8b_clkc_init_common(struct device_node *np, if (ret) { pr_err("%s: Failed to register clkc reset controller: %d\n", __func__, ret); + kfree(rstc); return; } @@ -3710,8 +3711,10 @@ static void __init meson8b_clkc_init_common(struct device_node *np, continue; ret = of_clk_hw_register(np, clk_hw_onecell_data->hws[i]); - if (ret) + if (ret) { + kfree(rstc); return; + } } meson8b_cpu_nb_data.cpu_clk = clk_hw_onecell_data->hws[CLKID_CPUCLK]; @@ -3727,13 +3730,16 @@ static void __init meson8b_clkc_init_common(struct device_node *np, if (ret) { pr_err("%s: failed to register the CPU clock notifier\n", __func__); + kfree(rstc); return; } ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_onecell_data); - if (ret) + if (ret) { pr_err("%s: failed to register clock provider\n", __func__); + kfree(rstc); + } } static void __init meson8_clkc_init(struct device_node *np) -- 2.26.2 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic