net: dsa: Move devlink registration to be last devlink command

This change prevents from users to access device before devlink
is fully configured.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index a020339..8ca6a11 100644 (file)
--- 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 @@ unregister_devlink_ports:
        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;
        }