Message ID | 20200807162010.18979-8-andrei.botila@oss.nxp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Miller" <davem@davemloft.net> Subject: [PATCH 07/22] crypto: s390/paes - add check for xts input length equal to zero Date: Fri, 7 Aug 2020 19:19:55 +0300 Message-Id: <20200807162010.18979-8-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 16:21:52 +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: 9325de9d-1130-4bde-e6c0-08d83aedfee8 X-MS-TrafficTypeDiagnostic: VE1PR04MB7359: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: <VE1PR04MB7359A6239A6299F40067E55EB4490@VE1PR04MB7359.eurprd04.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:4941; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
crypto: add check for xts input length equal to zero
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expand
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diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c index f3caeb17c85b..7f0861c6f019 100644 --- a/arch/s390/crypto/paes_s390.c +++ b/arch/s390/crypto/paes_s390.c @@ -494,6 +494,9 @@ static int xts_paes_crypt(struct skcipher_request *req, unsigned long modifier) u8 init[16]; } xts_param; + if (!req->cryptlen) + return 0; + ret = skcipher_walk_virt(&walk, req, false); if (ret) return ret;