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authorDavid S. Miller <davem@davemloft.net>2020-05-24 23:47:27 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-24 23:47:27 +0300
commit13209a8f7304a34158f4366e8ea07a1965c05ac7 (patch)
treef25ba4846fe02a32d4a14ef1a6be3227363da919 /drivers/net/ethernet/mellanox/mlxsw
parent316107119f473e764cf5e50437333c8b83bec0da (diff)
parent98790bbac4db1697212ce9462ec35ca09c4a2810 (diff)
downloadlinux-13209a8f7304a34158f4366e8ea07a1965c05ac7.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The MSCC bug fix in 'net' had to be slightly adjusted because the register accesses are done slightly differently in net-next. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/switchx2.c8
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index f78bde8bc16e..dfafd30c57b9 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -3555,6 +3555,7 @@ static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
mlxsw_sp_port_remove(mlxsw_sp, i);
mlxsw_sp_cpu_port_remove(mlxsw_sp);
kfree(mlxsw_sp->ports);
+ mlxsw_sp->ports = NULL;
}
static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
@@ -3591,6 +3592,7 @@ err_port_create:
mlxsw_sp_cpu_port_remove(mlxsw_sp);
err_cpu_port_create:
kfree(mlxsw_sp->ports);
+ mlxsw_sp->ports = NULL;
return err;
}
@@ -3712,6 +3714,14 @@ static int mlxsw_sp_local_ports_offset(struct mlxsw_core *mlxsw_core,
return mlxsw_core_res_get(mlxsw_core, local_ports_in_x_res_id);
}
+static struct mlxsw_sp_port *
+mlxsw_sp_port_get_by_local_port(struct mlxsw_sp *mlxsw_sp, u8 local_port)
+{
+ if (mlxsw_sp->ports && mlxsw_sp->ports[local_port])
+ return mlxsw_sp->ports[local_port];
+ return NULL;
+}
+
static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
unsigned int count,
struct netlink_ext_ack *extack)
@@ -3725,7 +3735,7 @@ static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
int i;
int err;
- mlxsw_sp_port = mlxsw_sp->ports[local_port];
+ mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
@@ -3820,7 +3830,7 @@ static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port,
int offset;
int i;
- mlxsw_sp_port = mlxsw_sp->ports[local_port];
+ mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index 90535820b559..2503f61db5fb 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -1259,6 +1259,7 @@ static void mlxsw_sx_ports_remove(struct mlxsw_sx *mlxsw_sx)
if (mlxsw_sx_port_created(mlxsw_sx, i))
mlxsw_sx_port_remove(mlxsw_sx, i);
kfree(mlxsw_sx->ports);
+ mlxsw_sx->ports = NULL;
}
static int mlxsw_sx_ports_create(struct mlxsw_sx *mlxsw_sx)
@@ -1293,6 +1294,7 @@ err_port_module_info_get:
if (mlxsw_sx_port_created(mlxsw_sx, i))
mlxsw_sx_port_remove(mlxsw_sx, i);
kfree(mlxsw_sx->ports);
+ mlxsw_sx->ports = NULL;
return err;
}
@@ -1376,6 +1378,12 @@ static int mlxsw_sx_port_type_set(struct mlxsw_core *mlxsw_core, u8 local_port,
u8 module, width;
int err;
+ if (!mlxsw_sx->ports || !mlxsw_sx->ports[local_port]) {
+ dev_err(mlxsw_sx->bus_info->dev, "Port number \"%d\" does not exist\n",
+ local_port);
+ return -EINVAL;
+ }
+
if (new_type == DEVLINK_PORT_TYPE_AUTO)
return -EOPNOTSUPP;