From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 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> Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: stable-owner@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