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b=MN6NiMutNHbym0RcCeNTbc5dtMOVwt5bq9FDbaftO9cG3nd9xN1VNF18GNxbGiBmJrxM7AMdMNiWkx2qhlocUBgXUj0aM8sJJCWvLrOdSnPU8nNoCyAWzJkUWnEG2LaplpyaUQdDVUFD1MNVBjvOwlLaEAfIb4lBtnVLQy8XSSs= Received: from VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) by VI1PR0402MB3407.eurprd04.prod.outlook.com (2603:10a6:803:5::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4888.12; Mon, 17 Jan 2022 13:00:35 +0000 Received: from VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::c84:1f0b:cc79:9226]) by VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::c84:1f0b:cc79:9226%3]) with mapi id 15.20.4888.013; Mon, 17 Jan 2022 13:00:35 +0000 From: Vladimir Oltean To: Horatiu Vultur CC: "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Claudiu Manoil , "alexandre.belloni@bootlin.com" , "UNGLinuxDriver@microchip.com" , "davem@davemloft.net" , "kuba@kernel.org" Subject: Re: [PATCH net] net: ocelot: Fix the call to switchdev_bridge_port_offload Thread-Topic: [PATCH net] net: ocelot: Fix the call to switchdev_bridge_port_offload Thread-Index: AQHYC6D0ZcgPGGB5b02M9wrfL+TskaxnLSsA Date: Mon, 17 Jan 2022 13:00:35 +0000 Message-ID: <20220117130034.jzm72mj42354y6fe@skbuf> References: <20220117125300.2399394-1-horatiu.vultur@microchip.com> In-Reply-To: <20220117125300.2399394-1-horatiu.vultur@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5136.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4474083a-428b-4dc7-1941-08d9d9b95a32 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jan 2022 13:00:35.3639 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jdnX1t1MIPXRli7UEuKUTZJYslwRRWfJC6nTVkgZTC0eSOqw3TCaLg5iUGchOsqqSKyd0TDl3DwRLOmbAy575g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0402MB3407 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 17, 2022 at 01:53:00PM +0100, Horatiu Vultur wrote: > In the blamed commit, the call to the function > switchdev_bridge_port_offload was passing the wrong argument for > atomic_nb. It was ocelot_netdevice_nb instead of ocelot_swtchdev_nb. > This patch fixes this issue. >=20 > Fixes: 4e51bf44a03af6 ("net: bridge: move the switchdev object replay hel= pers to "push" mode") > Signed-off-by: Horatiu Vultur > --- > drivers/net/ethernet/mscc/ocelot_net.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) >=20 > diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/etherne= t/mscc/ocelot_net.c > index 8115c3db252e..e271b6225b72 100644 > --- a/drivers/net/ethernet/mscc/ocelot_net.c > +++ b/drivers/net/ethernet/mscc/ocelot_net.c > @@ -1187,7 +1187,7 @@ static int ocelot_netdevice_bridge_join(struct net_= device *dev, > ocelot_port_bridge_join(ocelot, port, bridge); > =20 > err =3D switchdev_bridge_port_offload(brport_dev, dev, priv, > - &ocelot_netdevice_nb, > + &ocelot_switchdev_nb, > &ocelot_switchdev_blocking_nb, > false, extack); > if (err) > @@ -1201,7 +1201,7 @@ static int ocelot_netdevice_bridge_join(struct net_= device *dev, > =20 > err_switchdev_sync: > switchdev_bridge_port_unoffload(brport_dev, priv, > - &ocelot_netdevice_nb, > + &ocelot_switchdev_nb, > &ocelot_switchdev_blocking_nb); > err_switchdev_offload: > ocelot_port_bridge_leave(ocelot, port, bridge); > @@ -1214,7 +1214,7 @@ static void ocelot_netdevice_pre_bridge_leave(struc= t net_device *dev, > struct ocelot_port_private *priv =3D netdev_priv(dev); > =20 > switchdev_bridge_port_unoffload(brport_dev, priv, > - &ocelot_netdevice_nb, > + &ocelot_switchdev_nb, > &ocelot_switchdev_blocking_nb); > } > =20 > --=20 > 2.33.0 > Oh my... I remember noticing this issue when preparing those patches, and also noticed that ocelot doesn't implement SWITCHDEV_FDB_{ADD,DEL}_TO_D= EVICE anyway. So I wanted to pass NULL anyway. I don't know what happened, I must have made the fixup on a branch which wasn't the branch that I poste= d. Anyway. Reviewed-by: Vladimir Oltean =