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Message-Id: <66dd7979b44ac307711c382054f428f9287666a8.1632565508.git.leonro@nvidia.com> Date: Sat, 25 Sep 2021 14:23:01 +0300 From: Leon Romanovsky <leon@...nel.org> To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org> Cc: Leon Romanovsky <leonro@...dia.com>, Alexandre Belloni <alexandre.belloni@...tlin.com>, Andrew Lunn <andrew@...n.ch>, Ariel Elior <aelior@...vell.com>, Bin Luo <luobin9@...wei.com>, Claudiu Manoil <claudiu.manoil@....com>, Coiby Xu <coiby.xu@...il.com>, Derek Chickles <dchickles@...vell.com>, drivers@...sando.io, Felix Manlunas <fmanlunas@...vell.com>, Florian Fainelli <f.fainelli@...il.com>, Geetha sowjanya <gakula@...vell.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, GR-everest-linux-l2@...vell.com, GR-Linux-NIC-Dev@...vell.com, hariprasad <hkelam@...vell.com>, Ido Schimmel <idosch@...dia.com>, Intel Corporation <linuxwwan@...el.com>, intel-wired-lan@...ts.osuosl.org, Ioana Ciornei <ioana.ciornei@....com>, Jerin Jacob <jerinj@...vell.com>, Jesse Brandeburg <jesse.brandeburg@...el.com>, Jiri Pirko <jiri@...dia.com>, Jonathan Lemon <jonathan.lemon@...il.com>, Linu Cherian <lcherian@...vell.com>, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, linux-rdma@...r.kernel.org, linux-staging@...ts.linux.dev, Loic Poulain <loic.poulain@...aro.org>, Manish Chopra <manishc@...vell.com>, M Chetan Kumar <m.chetan.kumar@...el.com>, Michael Chan <michael.chan@...adcom.com>, Michael Guralnik <michaelgur@...lanox.com>, netdev@...r.kernel.org, oss-drivers@...igine.com, Richard Cochran <richardcochran@...il.com>, Saeed Mahameed <saeedm@...dia.com>, Satanand Burla <sburla@...vell.com>, Sergey Ryazanov <ryazanov.s.a@...il.com>, Shannon Nelson <snelson@...sando.io>, Simon Horman <simon.horman@...igine.com>, Subbaraya Sundeep <sbhatta@...vell.com>, Sunil Goutham <sgoutham@...vell.com>, Taras Chornyi <tchornyi@...vell.com>, Tariq Toukan <tariqt@...dia.com>, Tony Nguyen <anthony.l.nguyen@...el.com>, UNGLinuxDriver@...rochip.com, Vadym Kochan <vkochan@...vell.com>, Vivien Didelot <vivien.didelot@...il.com>, Vladimir Oltean <vladimir.oltean@....com> Subject: [PATCH net-next v1 21/21] net: dsa: Move devlink registration to be last devlink command From: Leon Romanovsky <leonro@...dia.com> This change prevents from users to access device before devlink is fully configured. Signed-off-by: Leon Romanovsky <leonro@...dia.com> --- net/dsa/dsa2.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index a020339e1973..8ca6a1170c9d 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -848,7 +848,6 @@ static int dsa_switch_setup(struct dsa_switch *ds) dl_priv = devlink_priv(ds->devlink); dl_priv->ds = ds; - devlink_register(ds->devlink); /* Setup devlink port instances now, so that the switch * setup() can register regions etc, against the ports */ @@ -874,8 +873,6 @@ static int dsa_switch_setup(struct dsa_switch *ds) if (err) goto teardown; - devlink_params_publish(ds->devlink); - if (!ds->slave_mii_bus && ds->ops->phy_read) { ds->slave_mii_bus = mdiobus_alloc(); if (!ds->slave_mii_bus) { @@ -891,7 +888,7 @@ static int dsa_switch_setup(struct dsa_switch *ds) } ds->setup = true; - + devlink_register(ds->devlink); return 0; free_slave_mii_bus: @@ -906,7 +903,6 @@ static int dsa_switch_setup(struct dsa_switch *ds) list_for_each_entry(dp, &ds->dst->ports, list) if (dp->ds == ds) dsa_port_devlink_teardown(dp); - devlink_unregister(ds->devlink); devlink_free(ds->devlink); ds->devlink = NULL; return err; @@ -919,6 +915,9 @@ static void dsa_switch_teardown(struct dsa_switch *ds) if (!ds->setup) return; + if (ds->devlink) + devlink_unregister(ds->devlink); + if (ds->slave_mii_bus && ds->ops->phy_read) { mdiobus_unregister(ds->slave_mii_bus); mdiobus_free(ds->slave_mii_bus); @@ -934,7 +933,6 @@ static void dsa_switch_teardown(struct dsa_switch *ds) list_for_each_entry(dp, &ds->dst->ports, list) if (dp->ds == ds) dsa_port_devlink_teardown(dp); - devlink_unregister(ds->devlink); devlink_free(ds->devlink); ds->devlink = NULL; } -- 2.31.1
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