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Sun, 28 Jan 2018 17:53:48 -0500 Received: from mail-dm3nam03on0107.outbound.protection.outlook.com ([104.47.41.107]:53136 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753687AbeA1W2c (ORCPT ); Sun, 28 Jan 2018 17:28:32 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Moni Shoua , Mukesh Kacker , Daniel Jurgens , Leon Romanovsky , Jason Gunthorpe , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 15/49] RDMA/cma: Make sure that PSN is not over max allowed Thread-Topic: [PATCH AUTOSEL for 4.9 15/49] RDMA/cma: Make sure that PSN is not over max allowed Thread-Index: AQHTmIc4havMQmIOpE2RANo7XYg1hA== Date: Sun, 28 Jan 2018 22:27:45 +0000 Message-ID: <20180128222727.22404-15-alexander.levin@microsoft.com> References: <20180128222727.22404-1-alexander.levin@microsoft.com> In-Reply-To: <20180128222727.22404-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MW2PR2101MB1097;6:Fud50k9gHpiMFKiWr25Js9EnnsvbUnlGIXuR4fCyx+CtMn8GryE+aYw9xkbDgHMjgFdyYmc105IJt05JG6cIEm96wKKs5WTBoHeO9Kra6MiaVGVy/L3GW5xyO7pNB5SM02gp+L8bE17UnWYeKUzH07ozAmLWdBe4bbKoRgj211a9IKVuwnp2WjueCgP9d7TmfmJPEUeMC5Hidc+TVfZLYDHGVPa3y1bKKj+JSBOv09HSdY7yNhASGznXrQs9FaBSROt31CjOFJ3FoPw4z5lhmLpz5D+wh5zMUSv93RGTYincOVpo4Z35UJjvm7rEw8ZkV8oN2h5JjpGtQ2TKzsNKCVOVvxPDUeh8dYr03l+7PcYFDNceFwgStd+EkRJv08LF;5:d5FcaXLaJ7+LBfSdQgOHyW2/zy9/ZbcKfHsOsMD8xqY4EwX+JUORE1Oj8PUogdqgDYbvDlzCzu5RDsL5vq0XDLZFcq5UzrBLk+aiyXLVkmO2YDtU4ED0nKsIMPthg8/5B8NQ0O6L/1uVLb2quGlw+Kxaj5ckVEjP4GwuVwyJxvA=;24:HTTAoPdWGTC+K4lw8K1b8AJRHadoMYYYbWdavI4sCHs0ZD1ZP7VyDNynsesiihcAP4Qayalp90Nh1WuKqdR6v6RS511m+zMO0TGXrYMtDpg=;7:onTwGyHQm8x3l610eUxHI5SzlGKadmrByXqAGWm1n2M4PiRTI9y3G368joniw04RhFtbMQbEUEqzuMz/0ypan2xLnQKVOsKL5LDBS7spsY12UjkZHX6ktbh8IOwt8HLHMawh+L1dhX/XHfftLFsXh8DBX33tnBuJ6K577KfanqA3mFraLJJt6dk7EAzgW76E/UY9jVfKECIPYhPt0lE5z/lWepC/HYk4zfP9cpRX0wEdyt+rb9MIvNMB6w7BjCpe x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 92dd4359-7bed-4769-383b-08d5669e7334 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2PR2101MB1097; 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x-microsoft-antispam-message-info: j1g30Xs8TyfvniJ30aSNMXz8oFN2Pycg/ksWf0K3KAgzIMGcUEwrZ8v6Kpzd1VzMPhEcA8o88DSA9uEbQ9pZTg== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 92dd4359-7bed-4769-383b-08d5669e7334 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jan 2018 22:27:45.6570 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1097 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Moni Shoua [ Upstream commit 23a9cd2ad90543e9da3786878d2b2729c095439d ] This patch limits the initial value for PSN to 24 bits as spec requires. Signed-off-by: Moni Shoua Signed-off-by: Mukesh Kacker Signed-off-by: Daniel Jurgens Reviewed-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/core/cma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index a09d6eed3b88..30f01613b518 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -744,6 +744,7 @@ struct rdma_cm_id *rdma_create_id(struct net *net, INIT_LIST_HEAD(&id_priv->mc_list); get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num); id_priv->id.route.addr.dev_addr.net =3D get_net(net); + id_priv->seq_num &=3D 0x00ffffff; =20 return &id_priv->id; } --=20 2.11.0