[patch net-next 8/9] mlxsw: spectrum: Mark unused ports using NULL

Jiri Pirko
2016-02-22T18:32:17Z

From: Ido Schimmel <idosch@mellanox.com>

When splitting and unsplitting we'll destroy usable ports on the fly, so
mark them using a NULL pointer to indicate that their local port number
is free and can be re-used.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index b9d963a..e72de3b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1519,6 +1519,7 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)

if (!mlxsw_sp_port)
return;
+ mlxsw_sp->ports[local_port] = NULL;
devlink_port = &mlxsw_sp_port->devlink_port;
devlink_port_type_clear(devlink_port);
unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
--
2.5.0