From patchwork Mon Jan 4 17:21:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cabiddu, Giovanni" X-Patchwork-Id: 11997109 X-Patchwork-Delegate: herbert@gondor.apana.org.au 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 6F39FC433DB for ; Mon, 4 Jan 2021 17:23:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C09D224F4 for ; Mon, 4 Jan 2021 17:23:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726072AbhADRXN (ORCPT ); Mon, 4 Jan 2021 12:23:13 -0500 Received: from mga09.intel.com ([134.134.136.24]:43986 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726019AbhADRXN (ORCPT ); Mon, 4 Jan 2021 12:23:13 -0500 IronPort-SDR: NQP54f73LBMCkErWOocRIfM5RmqRFQQv6/wTRPGJ7WvxKLW3NlqItPmBk8vXlD/kZMkRp8C3JR lTG+f+LV+Fdw== X-IronPort-AV: E=McAfee;i="6000,8403,9854"; a="177135640" X-IronPort-AV: E=Sophos;i="5.78,474,1599548400"; d="scan'208";a="177135640" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2021 09:22:08 -0800 IronPort-SDR: YN6Bai7b6J95oRWa0lzhQV7VN62yCDR45jJSiRVjoZUdb1EQ8qeQHcMNnUO++7/sPdB4JdjWUL db1xs0Zs0w6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,474,1599548400"; d="scan'208";a="345962829" Received: from silpixa00400314.ir.intel.com (HELO silpixa00400314.ger.corp.intel.com) ([10.237.222.51]) by orsmga003.jf.intel.com with ESMTP; 04 Jan 2021 09:22:06 -0800 From: Giovanni Cabiddu To: herbert@gondor.apana.org.au Cc: linux-crypto@vger.kernel.org, qat-linux@intel.com, Adam Guerin , Giovanni Cabiddu Subject: [PATCH 3/3] crypto: qat - reduce size of mapped region Date: Mon, 4 Jan 2021 17:21:59 +0000 Message-Id: <20210104172159.15489-4-giovanni.cabiddu@intel.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210104172159.15489-1-giovanni.cabiddu@intel.com> References: <20210104172159.15489-1-giovanni.cabiddu@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Adam Guerin Restrict size of field to what is required by the operation. This issue was detected by smatch: drivers/crypto/qat/qat_common/qat_asym_algs.c:328 qat_dh_compute_value() error: dma_map_single_attrs() '&qat_req->in.dh.in.b' too small (8 vs 64) Signed-off-by: Adam Guerin Reviewed-by: Giovanni Cabiddu Signed-off-by: Giovanni Cabiddu --- drivers/crypto/qat/qat_common/qat_asym_algs.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c index 2c863d25327a..b0b78445418b 100644 --- a/drivers/crypto/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c @@ -321,13 +321,13 @@ static int qat_dh_compute_value(struct kpp_request *req) qat_req->out.dh.out_tab[1] = 0; /* Mapping in.in.b or in.in_g2.xa is the same */ qat_req->phy_in = dma_map_single(dev, &qat_req->in.dh.in.b, - sizeof(struct qat_dh_input_params), + sizeof(qat_req->in.dh.in.b), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, qat_req->phy_in))) goto unmap_dst; qat_req->phy_out = dma_map_single(dev, &qat_req->out.dh.r, - sizeof(struct qat_dh_output_params), + sizeof(qat_req->out.dh.r), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, qat_req->phy_out))) goto unmap_in_params; @@ -716,13 +716,13 @@ static int qat_rsa_enc(struct akcipher_request *req) qat_req->in.rsa.in_tab[3] = 0; qat_req->out.rsa.out_tab[1] = 0; qat_req->phy_in = dma_map_single(dev, &qat_req->in.rsa.enc.m, - sizeof(struct qat_rsa_input_params), + sizeof(qat_req->in.rsa.enc.m), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, qat_req->phy_in))) goto unmap_dst; qat_req->phy_out = dma_map_single(dev, &qat_req->out.rsa.enc.c, - sizeof(struct qat_rsa_output_params), + sizeof(qat_req->out.rsa.enc.c), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, qat_req->phy_out))) goto unmap_in_params; @@ -864,13 +864,13 @@ static int qat_rsa_dec(struct akcipher_request *req) qat_req->in.rsa.in_tab[3] = 0; qat_req->out.rsa.out_tab[1] = 0; qat_req->phy_in = dma_map_single(dev, &qat_req->in.rsa.dec.c, - sizeof(struct qat_rsa_input_params), + sizeof(qat_req->in.rsa.dec.c), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, qat_req->phy_in))) goto unmap_dst; qat_req->phy_out = dma_map_single(dev, &qat_req->out.rsa.dec.m, - sizeof(struct qat_rsa_output_params), + sizeof(qat_req->out.rsa.dec.m), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, qat_req->phy_out))) goto unmap_in_params;