From patchwork Wed Aug 2 09:14:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 710346 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 A67E9C001DE for ; Wed, 2 Aug 2023 09:18:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229589AbjHBJSF (ORCPT ); Wed, 2 Aug 2023 05:18:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234035AbjHBJRV (ORCPT ); Wed, 2 Aug 2023 05:17:21 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1F832D68 for ; Wed, 2 Aug 2023 02:17:10 -0700 (PDT) Received: from dggpemm500009.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RG5tt03P7zrRvw; Wed, 2 Aug 2023 17:16:06 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500009.china.huawei.com (7.185.36.225) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 2 Aug 2023 17:17:08 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 2 Aug 2023 17:17:08 +0800 From: Yang Yingliang To: , CC: , , , Subject: [PATCH -next] crypto: qat - use kfree_sensitive instead of memset/kfree() Date: Wed, 2 Aug 2023 17:14:27 +0800 Message-ID: <20230802091427.3269183-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Use kfree_sensitive() instead of memset() and kfree(). Signed-off-by: Yang Yingliang --- drivers/crypto/intel/qat/qat_common/qat_compression.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/crypto/intel/qat/qat_common/qat_compression.c b/drivers/crypto/intel/qat/qat_common/qat_compression.c index 3f1f35283266..7842a9f22178 100644 --- a/drivers/crypto/intel/qat/qat_common/qat_compression.c +++ b/drivers/crypto/intel/qat/qat_common/qat_compression.c @@ -234,8 +234,7 @@ static void qat_free_dc_data(struct adf_accel_dev *accel_dev) dma_unmap_single(dev, dc_data->ovf_buff_p, dc_data->ovf_buff_sz, DMA_FROM_DEVICE); - memset(dc_data->ovf_buff, 0, dc_data->ovf_buff_sz); - kfree(dc_data->ovf_buff); + kfree_sensitive(dc_data->ovf_buff); devm_kfree(dev, dc_data); accel_dev->dc_data = NULL; }