AuxXxilium/linux_dsm_epyc7002
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Merge branch 'mlxsw-Couple-of-fixes'

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Jiri Pirko says:

====================
mlxsw: Couple of fixes

Ido says:

The first patch prevents us from warning about valid situations that can
happen due to the fact that some operations in switchdev are deferred.

Second patch fixes a long standing problem in which we didn't correctly
free resources upon module removal, resulting in a memory leak.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-08-04 11:15:08 -07:00
commit 1aff0c3402
1 changed files with 24 additions and 13 deletions
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37
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
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@ -626,8 +626,8 @@ static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
orig_dev);
if (WARN_ON(!bridge_port))
return -EINVAL;
if (!bridge_port)
return 0;
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
MLXSW_SP_FLOOD_TYPE_UC,
@ -711,8 +711,8 @@ static int mlxsw_sp_port_attr_mc_router_set(struct mlxsw_sp_port *mlxsw_sp_port,
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
orig_dev);
if (WARN_ON(!bridge_port))
return -EINVAL;
if (!bridge_port)
return 0;
if (!bridge_port->bridge_device->multicast_enabled)
return 0;
@ -1283,15 +1283,15 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
return 0;
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
if (WARN_ON(!bridge_port))
return -EINVAL;
if (!bridge_port)
return 0;
bridge_device = bridge_port->bridge_device;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
bridge_device,
mdb->vid);
if (WARN_ON(!mlxsw_sp_port_vlan))
return -EINVAL;
if (!mlxsw_sp_port_vlan)
return 0;
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
@ -1407,15 +1407,15 @@ static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
int err = 0;
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
if (WARN_ON(!bridge_port))
return -EINVAL;
if (!bridge_port)
return 0;
bridge_device = bridge_port->bridge_device;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
bridge_device,
mdb->vid);
if (WARN_ON(!mlxsw_sp_port_vlan))
return -EINVAL;
if (!mlxsw_sp_port_vlan)
return 0;
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
@ -1974,6 +1974,17 @@ static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
}
static void mlxsw_sp_mids_fini(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_mid *mid, *tmp;
list_for_each_entry_safe(mid, tmp, &mlxsw_sp->bridge->mids_list, list) {
list_del(&mid->list);
clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap);
kfree(mid);
}
}
int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_bridge *bridge;
@ -1996,7 +2007,7 @@ int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_fdb_fini(mlxsw_sp);
WARN_ON(!list_empty(&mlxsw_sp->bridge->mids_list));
mlxsw_sp_mids_fini(mlxsw_sp);
WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list));
kfree(mlxsw_sp->bridge);
}