Thread (12 messages) 12 messages, 3 authors, 2016-08-15

[patch net 6/9] mlxsw: spectrum: Add missing rollbacks in error path

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From: Jiri Pirko <jiri@resnulli.us>
Date: 2016-08-15 14:38:06
Subsystem: mellanox ethernet switch drivers, networking drivers, the rest · Maintainers: Ido Schimmel, Petr Machata, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Ido Schimmel <redacted>

While going over the code I noticed we are missing two rollbacks in the
port's creation error path. Add them and adjust the place of one of them
in the port's removal sequence so that both are symmetric.

Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Signed-off-by: Ido Schimmel <redacted>
Signed-off-by: Jiri Pirko <redacted>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 6b69c8a..cb943bc 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -2206,6 +2206,7 @@ err_core_port_init:
 	unregister_netdev(dev);
 err_register_netdev:
 	mlxsw_sp->ports[local_port] = NULL;
+	mlxsw_sp_port_switchdev_fini(mlxsw_sp_port);
 	mlxsw_sp_port_pvid_vport_destroy(mlxsw_sp_port);
 err_port_pvid_vport_create:
 	mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
@@ -2215,6 +2216,7 @@ err_port_buffers_init:
 err_port_admin_status_set:
 err_port_mtu_set:
 err_port_speed_by_width_set:
+	mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
 err_port_swid_set:
 err_port_system_port_mapping_set:
 err_dev_addr_init:
@@ -2237,9 +2239,9 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
 	mlxsw_core_port_fini(&mlxsw_sp_port->core_port);
 	unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
 	mlxsw_sp->ports[local_port] = NULL;
+	mlxsw_sp_port_switchdev_fini(mlxsw_sp_port);
 	mlxsw_sp_port_pvid_vport_destroy(mlxsw_sp_port);
 	mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
-	mlxsw_sp_port_switchdev_fini(mlxsw_sp_port);
 	mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
 	mlxsw_sp_port_module_unmap(mlxsw_sp, mlxsw_sp_port->local_port);
 	free_percpu(mlxsw_sp_port->pcpu_stats);
-- 
2.5.5
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