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authorJiri Pirko <jiri@mellanox.com>2016-10-28 21:35:49 +0200
committerDavid S. Miller <davem@davemloft.net>2016-10-30 16:50:17 -0400
commitf83e21027b4d8871d896f6e180171c289b60718c (patch)
tree6b547a7671e2d9512f42e390ddb71ca9207fafd6 /drivers
parentadc4e04a4bbd7696c9aa99eec951ddaf26ac27e1 (diff)
downloadlinux-f83e21027b4d8871d896f6e180171c289b60718c.tar.bz2
mlxsw: spectrum: Move port used check outside port remove function
Be symmentrical with create and do the check outside the remove function. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Elad Raz <eladr@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 2573faaffea8..d6490641dd3e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -2403,8 +2403,6 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
{
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
- if (!mlxsw_sp_port)
- return;
cancel_delayed_work_sync(&mlxsw_sp_port->hw_stats.update_dw);
mlxsw_core_port_fini(&mlxsw_sp_port->core_port);
unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
@@ -2422,12 +2420,18 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
free_netdev(mlxsw_sp_port->dev);
}
+static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port)
+{
+ return mlxsw_sp->ports[local_port] != NULL;
+}
+
static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
{
int i;
for (i = 1; i < MLXSW_PORT_MAX_PORTS; i++)
- mlxsw_sp_port_remove(mlxsw_sp, i);
+ if (mlxsw_sp_port_created(mlxsw_sp, i))
+ mlxsw_sp_port_remove(mlxsw_sp, i);
kfree(mlxsw_sp->ports);
}
@@ -2461,7 +2465,8 @@ static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
err_port_create:
err_port_module_info_get:
for (i--; i >= 1; i--)
- mlxsw_sp_port_remove(mlxsw_sp, i);
+ if (mlxsw_sp_port_created(mlxsw_sp, i))
+ mlxsw_sp_port_remove(mlxsw_sp, i);
kfree(mlxsw_sp->ports);
return err;
}
@@ -2503,7 +2508,8 @@ static int mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, u8 base_port,
err_port_create:
for (i--; i >= 0; i--)
- mlxsw_sp_port_remove(mlxsw_sp, base_port + i);
+ if (mlxsw_sp_port_created(mlxsw_sp, base_port + i))
+ mlxsw_sp_port_remove(mlxsw_sp, base_port + i);
i = count;
err_port_swid_set:
for (i--; i >= 0; i--)
@@ -2593,7 +2599,8 @@ static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
}
for (i = 0; i < count; i++)
- mlxsw_sp_port_remove(mlxsw_sp, base_port + i);
+ if (mlxsw_sp_port_created(mlxsw_sp, base_port + i))
+ mlxsw_sp_port_remove(mlxsw_sp, base_port + i);
err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, module, count);
if (err) {
@@ -2638,7 +2645,8 @@ static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port)
base_port = base_port + 2;
for (i = 0; i < count; i++)
- mlxsw_sp_port_remove(mlxsw_sp, base_port + i);
+ if (mlxsw_sp_port_created(mlxsw_sp, base_port + i))
+ mlxsw_sp_port_remove(mlxsw_sp, base_port + i);
mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count);