From patchwork Tue Apr 20 03:35:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thara Gopinath X-Patchwork-Id: 12213305 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=-18.8 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,USER_AGENT_GIT autolearn=unavailable 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 A18DBC43461 for ; Tue, 20 Apr 2021 03:36:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 68AF1613AB for ; Tue, 20 Apr 2021 03:36:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229670AbhDTDgi (ORCPT ); Mon, 19 Apr 2021 23:36:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229727AbhDTDgg (ORCPT ); Mon, 19 Apr 2021 23:36:36 -0400 Received: from mail-qt1-x831.google.com (mail-qt1-x831.google.com [IPv6:2607:f8b0:4864:20::831]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 016C4C06138B for ; Mon, 19 Apr 2021 20:36:05 -0700 (PDT) Received: by mail-qt1-x831.google.com with SMTP id 18so14371514qtz.6 for ; Mon, 19 Apr 2021 20:36:04 -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=JKfUHhwohTAlIErOZ5oVcBUy/U3OOTDr2G7VEB2UxHxsSijfkzoHaIRv30O3iTSSgb IAAQIpxOUIL8Cj1R5RBtffr7tOw83iHNxZnF1N5xredPDOrc/+cqC85bswlh8q+EySk7 8dwWPjm06xrtLktshNebkbjlV07CloyqAOPlpB42aVCMZXTOrxeunMYJMRRqi3CFCT5c HdmyoO8W/86tk2pYta/3XmrfNJNgJ5MqnoZXP9Ii3z0qkteGfg9l7Tt15GMHGBbIuww+ Y8v8HAh9UE9wiPuayC68mvhuvfJC8L/xg5wof7AjZO7SsUenw3LyWh/RttBVZcyPKiMZ YpvA== 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=C96WaxucbgS5l9ulmxsN0n4SKScgi7slzzPXCcRzASpcbQkJCZA3e0L0UcEftM7dMb XcNiCvJ3/TMBWCOGVLJS9PUJczb2hr5YHPxgrsKbxRUpX5KiMwNgXBbda/pmrnONQqpX X7g9Mn2oNsk20XFF4Y1ev1b7RVcOwo5lNL1RVQgfpXRhNR2EF08wgR0r7NY9UZOSsNyI IirVfy01vMxJWS2crDbkLf1zA0bxV9mu6U+YS78v70uFtem+Zxjn7iMqBszSHXaybr5Y xMrfkuylEtugwbtlxNuy37m1OPaFjEQIVOGLVsHmFMz5l/PW22tcZh3iU0YVSA6c5I3D yN0g== X-Gm-Message-State: AOAM533nKpWhVALLdIsNOWbgAO+Cw7ABT0ILoI7jUQJPpbj50o96l+wy zpvTWgYhR8uuvAXxcdxPXMW+dA== X-Google-Smtp-Source: ABdhPJzKd+ZMz2eSTUaVL36KyA695VaU5Fn50hDEKwGyZAXSPvHSEi+qJ5PcjO/NTwQR2xEWz2dEsg== X-Received: by 2002:a05:622a:13cb:: with SMTP id p11mr14753149qtk.349.1618889764259; Mon, 19 Apr 2021 20:36:04 -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 b8sm3562643qka.117.2021.04.19.20.36.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Apr 2021 20:36:03 -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 v3 1/7] crypto: qce: common: Add MAC failed error checking Date: Mon, 19 Apr 2021 23:35:56 -0400 Message-Id: <20210420033602.1729947-2-thara.gopinath@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210420033602.1729947-1-thara.gopinath@linaro.org> References: <20210420033602.1729947-1-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; }