net/mlx5: Don't skip vport check

Users of mlx5_eswitch_get_vport() are required to check return value
prior to passing mlx5_vport further. Fix all the places to do not skip
that check.

Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
index cb1e181..7bfc842 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
@@ -120,7 +120,7 @@ struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u1
        struct mlx5_vport *vport;
 
        vport = mlx5_eswitch_get_vport(esw, vport_num);
-       return vport->dl_port;
+       return IS_ERR(vport) ? ERR_CAST(vport) : vport->dl_port;
 }
 
 int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port,

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index aba1783..fe1e06d 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1141,6 +1141,8 @@ int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
        struct mlx5_vport *vport;
 
        vport = mlx5_eswitch_get_vport(esw, vport_num);
+       if (IS_ERR(vport))
+               return PTR_ERR(vport);
 
        if (!vport->qos.enabled)
                return -EOPNOTSUPP;
@@ -1279,6 +1281,8 @@ int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num,
        int ret;
 
        vport = mlx5_eswitch_get_vport(esw, vport_num);
+       if (IS_ERR(vport))
+               return PTR_ERR(vport);
 
        mutex_lock(&esw->state_lock);
        WARN_ON(vport->enabled);
@@ -1326,6 +1330,8 @@ void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num)
        struct mlx5_vport *vport;
 
        vport = mlx5_eswitch_get_vport(esw, vport_num);
+       if (IS_ERR(vport))
+               return;
 
        mutex_lock(&esw->state_lock);
        if (!vport->enabled)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 94cb021..703753a 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2554,6 +2554,9 @@ static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw)
        struct mlx5_vport *vport;
 
        vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK);
+       if (IS_ERR(vport))
+               return PTR_ERR(vport);
+
        return esw_vport_create_offloads_acl_tables(esw, vport);
 }
 
@@ -2562,6 +2565,9 @@ static void esw_destroy_uplink_offloads_acl_tables(struct mlx5_eswitch *esw)
        struct mlx5_vport *vport;
 
        vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK);
+       if (IS_ERR(vport))
+               return;
+
        esw_vport_destroy_offloads_acl_tables(esw, vport);
 }