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Miller" Subject: [PATCH 11/22] crypto: artpec6 - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:19:59 +0300 Message-Id: <20200807162010.18979-12-andrei.botila@oss.nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200807162010.18979-1-andrei.botila@oss.nxp.com> References: <20200807162010.18979-1-andrei.botila@oss.nxp.com> X-ClientProxiedBy: AM0PR04CA0075.eurprd04.prod.outlook.com (2603:10a6:208:be::16) To VE1PR04MB6608.eurprd04.prod.outlook.com (2603:10a6:803:125::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv15007.swis.ro-buh01.nxp.com (83.217.231.2) by AM0PR04CA0075.eurprd04.prod.outlook.com (2603:10a6:208:be::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3261.15 via Frontend Transport; Fri, 7 Aug 2020 16:22:01 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [83.217.231.2] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 9736d86e-1695-47ec-dbad-08d83aee0467 X-MS-TrafficTypeDiagnostic: VE1PR04MB7359: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: bUTiw1FsFK5h8IO1jarwWN92L+W80dIsWjCYtxjGRz0X0CuvLOHEme7vCBYuSwnkl9rVlj1R3Ks61YYiTogtkiCqMFRZTvEBEIgINvPgZ9HrWcI+fhkzmMDZRdTMLp1OnZJla9iogD7OJ92D8SbPk64Qe0WaUW9kttIMtaFScWEg8XiUPqyTTheamehHykSa9bKzIpbUzIag6gwfxUn58i50XOutCq8dpN8ej9JCqjM5C6zXqFG3GyQG1zM6FlMvFAF9cu+17prDzpTPK+OZZlVlNmnW7kTscz9eaVfiHZABq9iiY6Ov9lbiLEohmw9Pi48RwxQEToSsdef1zre17Q== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VE1PR04MB6608.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(39860400002)(366004)(136003)(346002)(396003)(376002)(44832011)(66556008)(66476007)(110136005)(7416002)(54906003)(1076003)(6506007)(4326008)(66946007)(83380400001)(8936002)(316002)(26005)(956004)(186003)(16526019)(478600001)(86362001)(5660300002)(6512007)(2906002)(8676002)(2616005)(52116002)(6486002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9736d86e-1695-47ec-dbad-08d83aee0467 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6608.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2020 16:22:02.5496 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ltQA+Aleb/fZ10gSG4RH2omcYxmBBjuR40NT49MsUI5l3yKmWaDLanAHV40uSD9Pqwl7T37fq0bPcmJsLUSzXQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7359 X-Mailman-Approved-At: Sat, 08 Aug 2020 10:06:29 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, Andrei Botila , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@axis.com, linux-crypto@vger.kernel.org, Jesper Nilsson , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, Lars Persson Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Andrei Botila Standardize the way input lengths equal to 0 are handled in all skcipher algorithms. All the algorithms return 0 for input lengths equal to zero. Cc: Jesper Nilsson Cc: Lars Persson Signed-off-by: Andrei Botila --- drivers/crypto/axis/artpec6_crypto.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c index 1a46eeddf082..243880c97629 100644 --- a/drivers/crypto/axis/artpec6_crypto.c +++ b/drivers/crypto/axis/artpec6_crypto.c @@ -1090,6 +1090,9 @@ static int artpec6_crypto_encrypt(struct skcipher_request *req) void (*complete)(struct crypto_async_request *req); int ret; + if (!req->cryptlen) + return 0; + req_ctx = skcipher_request_ctx(req); switch (ctx->crypto_type) { @@ -1135,6 +1138,9 @@ static int artpec6_crypto_decrypt(struct skcipher_request *req) struct artpec6_crypto_request_context *req_ctx = NULL; void (*complete)(struct crypto_async_request *req); + if (!req->cryptlen) + return 0; + req_ctx = skcipher_request_ctx(req); switch (ctx->crypto_type) {