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mlxsw: spectrum: Don't count on FID being present

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Not all vPorts will have FIDs assigned to them, so make sure functions
first test for FID presence.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2016-06-20 23:04:18 +02:00 committed by David S. Miller
parent 41b996cc94
commit 56918b6b0a
3 changed files with 11 additions and 8 deletions
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4
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -3323,7 +3323,9 @@ mlxsw_sp_port_master_bridge_check(const struct mlxsw_sp_port *mlxsw_sp_port,
list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
vport.list) {
if (mlxsw_sp_vport_br_get(mlxsw_sp_vport) == br_dev)
struct net_device *dev = mlxsw_sp_vport_br_get(mlxsw_sp_vport);
if (dev && dev == br_dev)
return false;
}

4
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -290,7 +290,7 @@ mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
{
struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);
return f->dev;
return f ? f->dev : NULL;
}
static inline struct mlxsw_sp_port *
@ -317,7 +317,7 @@ mlxsw_sp_port_vport_find_by_fid(const struct mlxsw_sp_port *mlxsw_sp_port,
vport.list) {
struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_vport);
if (f->fid == fid)
if (f && f->fid == fid)
return mlxsw_sp_vport;
}

11
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
View File

@ -55,10 +55,10 @@
static u16 mlxsw_sp_port_vid_to_fid_get(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid)
{
struct mlxsw_sp_fid *f = mlxsw_sp_vport_fid_get(mlxsw_sp_port);
u16 fid = vid;
if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
fid = mlxsw_sp_vport_fid_get(mlxsw_sp_port)->fid;
fid = f ? f->fid : fid;
if (!fid)
fid = mlxsw_sp_port->pvid;
@ -1196,7 +1196,8 @@ static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port,
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_port *tmp;
u16 vport_fid = 0;
struct mlxsw_sp_fid *f;
u16 vport_fid;
char *sfd_pl;
char mac[ETH_ALEN];
u16 fid;
@ -1211,8 +1212,8 @@ static int mlxsw_sp_port_fdb_dump(struct mlxsw_sp_port *mlxsw_sp_port,
if (!sfd_pl)
return -ENOMEM;
if (mlxsw_sp_port_is_vport(mlxsw_sp_port))
vport_fid = mlxsw_sp_vport_fid_get(mlxsw_sp_port)->fid;
f = mlxsw_sp_vport_fid_get(mlxsw_sp_port);
vport_fid = f ? f->fid : 0;
mlxsw_reg_sfd_pack(sfd_pl, MLXSW_REG_SFD_OP_QUERY_DUMP, 0);
do {