From patchwork Tue Aug 18 03:15:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhen Lei X-Patchwork-Id: 11719705 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4ACF915E6 for ; Tue, 18 Aug 2020 03:16:52 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (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 33F4C20716 for ; Tue, 18 Aug 2020 03:16:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 33F4C20716 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 255D21346F6BD; Mon, 17 Aug 2020 20:16:51 -0700 (PDT) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=45.249.212.191; helo=huawei.com; envelope-from=thunder.leizhen@huawei.com; receiver= Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 1F02D1346F6B7 for ; Mon, 17 Aug 2020 20:16:47 -0700 (PDT) Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id AC25D876EFABC0E509F8; Tue, 18 Aug 2020 11:16:45 +0800 (CST) Received: from DESKTOP-C3MD9UG.china.huawei.com (10.174.177.253) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.487.0; Tue, 18 Aug 2020 11:16:36 +0800 From: Zhen Lei To: Oliver O'Halloran , Dan Williams , Vishal Verma , "Dave Jiang" , Ira Weiny , linux-nvdimm , linux-kernel Subject: [PATCH 1/3] libnvdimm: fix memleak in of_pmem.c Date: Tue, 18 Aug 2020 11:15:54 +0800 Message-ID: <20200818031556.2921-2-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20200818031556.2921-1-thunder.leizhen@huawei.com> References: <20200818031556.2921-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.177.253] X-CFilter-Loop: Reflected Message-ID-Hash: APIRWJQE2I62LYFQKV5N6IRHP326I2AG X-Message-ID-Hash: APIRWJQE2I62LYFQKV5N6IRHP326I2AG X-MailFrom: thunder.leizhen@huawei.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: Zhen Lei X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: The memory priv->bus_desc.provider_name allocated by kstrdup() should be freed. Signed-off-by: Zhen Lei --- drivers/nvdimm/of_pmem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c index 10dbdcdfb9ce913..1292ffca7b2ecc0 100644 --- a/drivers/nvdimm/of_pmem.c +++ b/drivers/nvdimm/of_pmem.c @@ -36,6 +36,7 @@ static int of_pmem_region_probe(struct platform_device *pdev) priv->bus = bus = nvdimm_bus_register(&pdev->dev, &priv->bus_desc); if (!bus) { + kfree(priv->bus_desc.provider_name); kfree(priv); return -ENODEV; } @@ -83,6 +84,7 @@ static int of_pmem_region_remove(struct platform_device *pdev) struct of_pmem_private *priv = platform_get_drvdata(pdev); nvdimm_bus_unregister(priv->bus); + kfree(priv->bus_desc.provider_name); kfree(priv); return 0;