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Mon, 29 Jul 2019 21:13:10 +0000 From: Saeed Mahameed To: Saeed Mahameed , Leon Romanovsky , "netdev@vger.kernel.org" , "linux-rdma@vger.kernel.org" CC: Parav Pandit Subject: [PATCH mlx5-next 10/11] net/mlx5: E-Switch, Remove redundant mc_promisc NULL check Thread-Topic: [PATCH mlx5-next 10/11] net/mlx5: E-Switch, Remove redundant mc_promisc NULL check Thread-Index: AQHVRlJsEOiWNpMm00mWvxla2CilQg== Date: Mon, 29 Jul 2019 21:13:10 +0000 Message-ID: <20190729211209.14772-11-saeedm@mellanox.com> References: <20190729211209.14772-1-saeedm@mellanox.com> In-Reply-To: <20190729211209.14772-1-saeedm@mellanox.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.21.0 x-originating-ip: [209.116.155.178] x-clientproxiedby: BYAPR05CA0081.namprd05.prod.outlook.com (2603:10b6:a03:e0::22) To DB6PR0501MB2759.eurprd05.prod.outlook.com (2603:10a6:4:84::7) authentication-results: spf=none (sender IP is ) smtp.mailfrom=saeedm@mellanox.com; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 1be83d54-88d2-4fa0-9c05-08d714698ee4 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020);SRVR:DB6PR0501MB2375; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1be83d54-88d2-4fa0-9c05-08d714698ee4 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jul 2019 21:13:10.0541 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: saeedm@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0501MB2375 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Parav Pandit mc_promisc pointer points to an instance of struct esw_mc_addr allocated as part of the esw structure. Hence it cannot be NULL. Removed such redundant check and assign where it is actually used. While at it, add comment around legacy mode fields and move mc_promisc close to other legacy mode structures to improve code redability. Signed-off-by: Parav Pandit Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 4 ++-- drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 4 +++- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/ne= t/ethernet/mellanox/mlx5/core/eswitch.c index 17fb982b3489..90d150be237b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1900,12 +1900,12 @@ void mlx5_eswitch_disable(struct mlx5_eswitch *esw) esw->mode =3D=3D MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", esw->esw_funcs.num_vfs, esw->enabled_vports); =20 - mc_promisc =3D &esw->mc_promisc; mlx5_eswitch_event_handlers_unregister(esw); =20 mlx5_eswitch_disable_pf_vf_vports(esw); =20 - if (mc_promisc && mc_promisc->uplink_rule) + mc_promisc =3D &esw->mc_promisc; + if (mc_promisc->uplink_rule) mlx5_del_flow_rules(mc_promisc->uplink_rule); =20 if (esw->mode =3D=3D MLX5_ESWITCH_LEGACY) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/ne= t/ethernet/mellanox/mlx5/core/eswitch.h index 3103a34c619c..51b6d29466f1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -214,8 +214,11 @@ enum { struct mlx5_eswitch { struct mlx5_core_dev *dev; struct mlx5_nb nb; + /* legacy data structures */ struct mlx5_eswitch_fdb fdb_table; struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE]; + struct esw_mc_addr mc_promisc; + /* end of legacy */ struct workqueue_struct *work_queue; struct mlx5_vport *vports; u32 flags; @@ -225,7 +228,6 @@ struct mlx5_eswitch { * and async SRIOV admin state changes */ struct mutex state_lock; - struct esw_mc_addr mc_promisc; =20 struct { bool enabled; --=20 2.21.0