From patchwork Thu Apr 29 15:07:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thara Gopinath X-Patchwork-Id: 12231463 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 630A2C43461 for ; Thu, 29 Apr 2021 15:07:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34A6D61447 for ; Thu, 29 Apr 2021 15:07:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240635AbhD2PIC (ORCPT ); Thu, 29 Apr 2021 11:08:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240592AbhD2PH5 (ORCPT ); Thu, 29 Apr 2021 11:07:57 -0400 Received: from mail-qt1-x832.google.com (mail-qt1-x832.google.com [IPv6:2607:f8b0:4864:20::832]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04F70C06138E for ; Thu, 29 Apr 2021 08:07:11 -0700 (PDT) Received: by mail-qt1-x832.google.com with SMTP id j19so9039107qtx.13 for ; Thu, 29 Apr 2021 08:07:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=FUSrZlERR89hZzHNyP4QRMbV2CihmITrCmz3k1LlYk4=; b=MHnQJNbVziLM0NPBDtmnwCmOJ2FoMf3Ip14Lec6yiW9Uw6wXJuecmb+TjAI0QTEitc WNpma+n25xPeN4F8PqiRZsQ6R4aIVkCH8d6gs9+6AfMPjY8703EY42h09Hbts2W5+UaI 7bSZMJ1iZtva1r4TQEM9PtgSONILCgKOb5B2IOoR9Q4vGpzBW04aewKE2JlYZG1wp/Q8 IBVIhhlfHUPc+UsCWZMk2wz3B+9/8qML3QPrJzw2tvPHDQ8XFUWsMVUqYSqeFE6ztPPt nM80jMCXcIZ/xuB/Q6/o3HFuQBnSqLdiOHnlJTv+/Q5Goxb65N+HCS6tj7RP2wi/KOl9 LU6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FUSrZlERR89hZzHNyP4QRMbV2CihmITrCmz3k1LlYk4=; b=VsBlU1JgsaP5G+nHjBXQcBjOJxAoUJ/539YxnOCPLZKblsCEV5ATTUYh2laqEC6DI0 26M0o2XF1A4+drO2FIr0yxuska1AKYWKJtOenw2OoZLXwxy9dtNZM3SkpRzvtePSp6bo f2S5ZCdqepxPnd6ubHcjGvIiXbOxq9ecGnRSnLQ+s97+B4Rucj2rIUa51cVCG5+hogr9 d7bI07fPXHGW9zy9/S2KijYoFem0Ym7YDu4nWkeKd4vKEzqXKR4pWKoW7FKkTdFds9PD lhiqrlMM0dOcOk8XnDW6nBzAbD4ZRM8JZYEoAGp28X6R+6dnu1G1oHX5S6CQzUlZYYsm d+og== X-Gm-Message-State: AOAM533BiLcr+Uqf9pnBshP8vkzVf/aXk8p8OeqqvyMUIxHTdb0QHr8V 3U56D6XRGDorYLHxzAiyFsuFcQ== X-Google-Smtp-Source: ABdhPJxnEVT2K9UkClrAOM08gSZ9saJsmBh5srRf+Bp4JISfSe2v4i9eQbW+SiK5/rikm63ANJHTmA== X-Received: by 2002:ac8:7344:: with SMTP id q4mr22981494qtp.278.1619708829856; Thu, 29 Apr 2021 08:07:09 -0700 (PDT) Received: from pop-os.fios-router.home (pool-71-163-245-5.washdc.fios.verizon.net. [71.163.245.5]) by smtp.googlemail.com with ESMTPSA id j191sm2223822qke.131.2021.04.29.08.07.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Apr 2021 08:07:09 -0700 (PDT) From: Thara Gopinath To: herbert@gondor.apana.org.au, davem@davemloft.net, bjorn.andersson@linaro.org Cc: ebiggers@google.com, ardb@kernel.org, sivaprak@codeaurora.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [Patch v4 1/7] crypto: qce: common: Add MAC failed error checking Date: Thu, 29 Apr 2021 11:07:01 -0400 Message-Id: <20210429150707.3168383-2-thara.gopinath@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210429150707.3168383-1-thara.gopinath@linaro.org> References: <20210429150707.3168383-1-thara.gopinath@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org MAC_FAILED gets set in the status register if authenthication fails for ccm algorithms(during decryption). Add support to catch and flag this error. Reviewed-by: Bjorn Andersson Signed-off-by: Thara Gopinath --- v1->v2: - Split the error checking for -ENXIO and -EBADMSG into if-else clause so that the code is more readable as per Bjorn's review comment. drivers/crypto/qce/common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/crypto/qce/common.c b/drivers/crypto/qce/common.c index dceb9579d87a..dd76175d5c62 100644 --- a/drivers/crypto/qce/common.c +++ b/drivers/crypto/qce/common.c @@ -419,6 +419,8 @@ int qce_check_status(struct qce_device *qce, u32 *status) */ if (*status & STATUS_ERRORS || !(*status & BIT(OPERATION_DONE_SHIFT))) ret = -ENXIO; + else if (*status & BIT(MAC_FAILED_SHIFT)) + ret = -EBADMSG; return ret; }