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Sun, 28 Jan 2018 17:29:58 -0500 Received: from mail-bn3nam01on0127.outbound.protection.outlook.com ([104.47.33.127]:53399 "EHLO NAM01-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932433AbeA1W3w (ORCPT ); Sun, 28 Jan 2018 17:29:52 -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 4.4 10/36] RDMA/cma: Make sure that PSN is not over max allowed Thread-Topic: [PATCH AUTOSEL for 4.4 10/36] RDMA/cma: Make sure that PSN is not over max allowed Thread-Index: AQHTmIdSxWtiysxNNkOBsQzHqN9mow== Date: Sun, 28 Jan 2018 22:28:29 +0000 Message-ID: <20180128222815.29479-10-alexander.levin@microsoft.com> References: <20180128222815.29479-1-alexander.levin@microsoft.com> In-Reply-To: <20180128222815.29479-1-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;MW2PR2101MB1115;6:hxVAU+FryF0yKzNvEesLdPWNMYGDY/A8sbART4/fepmAGF3eWIFVi/7OyMcnhdYNg97HoJ+GcIpYLBf5mD059cHkwyQ8cbSqnfWbulAxe7RW2QLeSDcT0VoM0mXBa2pETyKn636dQCJ43oUempB1Hu/PklsRNgyxpvZqEilgxag7cQyhIoyeb9Asx3+1K3kHSdHHySIH+93ybrON6Z1WDD1nnafGiuHxguE3M3ZLi3LYm8I0/hbBS0NcG6MZ2Bu4wsE4oWpbKJ5vkzGdftv/NAKRSAuuxCxBKDEyOWBihO0r7rt8gnyJVUnF3r0S7DcaeORVQBhnFfUjiJ/UJ54W+v7KNE/lC8qQIILQCxk/RHN9nWAn7rTndQ1r6WhXsanW;5:66ROQQgzMzmyU+3VRNQkExOT62gBU2sOa9XQg6jvcMOPNEsHtSer1ygWt0AzdirqWmn7FlgkPH3SPR1TDbrwYDYMiijWhC6SJjIh46OLPERtb8lXyyKQS10A1m7WRR6NM7O+xJePI2QKqLnAMJa3HtFZnKRE8wpW0AHlmAjVX7w=;24:FpekfcUDgvUk2F7483FDXr2BIyotnY3OkOgfPBH9mqPmdQVJzvk/mdhBau1WIdYU/gyGDtyxfMOMvfe95NJ7hDqIGtzdsZTf8hjPBQ9peqE=;7:WcJloOfZUJ+DdrN+3QUKZb14/zFlN1dI3rLE2BzzBH+f2qd+HXN1ExPI2FT3wKNPVRUAzb0yKQv4JgWSN+zwqSqQpC7rx2yulEV21nat44iKBZdguF7VH3Ungk6jl9e6EgBTQ4B/7xtgHPaI644XT5F/MtolWt2ey/WYX8oRrSadkIRSLmn0UI3Y12Uvz0EYpYWzuK7OI5OVREWcif7EDQkWNzRYGikk8+OyLm4Ru+EimZGyHVx7a7ia6zvx+xxB x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: ed7e897c-49a3-45ed-b9f8-08d5669ea1fb x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2PR2101MB1115; 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x-microsoft-antispam-message-info: LHplogpNetjYI5xo7bryEY89VV65yLCydDMt0AIxk07OXZ+TXT6KtbdMobvwhPSnl86jFixBr3HZgjg+bZ/uAQ== 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: ed7e897c-49a3-45ed-b9f8-08d5669ea1fb X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Jan 2018 22:28:29.4701 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1115 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 e354358db77b..b6c9a370a38b 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -626,6 +626,7 @@ 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