From: Ido Schimmel Date: Thu, 1 Sep 2016 08:37:44 +0000 (+0200) Subject: mlxsw: spectrum: Don't take multiple references on a FID X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f1de7a28d53cfde8fa290d6c535eb690a4e1b5d5;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git mlxsw: spectrum: Don't take multiple references on a FID In commit 14d39461b3f4 ("mlxsw: spectrum: Use per-FID struct for the VLAN-aware bridge") I added a per-FID struct, which member ports can take a reference on upon VLAN membership configuration. However, sometimes only the VLAN flags (e.g. egress untagged) are toggled without changing the VLAN membership. In these cases we shouldn't take another reference on the FID. Fixes: 14d39461b3f4 ("mlxsw: spectrum: Use per-FID struct for the VLAN-aware bridge") Signed-off-by: Ido Schimmel Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index d1b59cdfacc1..e0d95c419634 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -460,6 +460,9 @@ static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, { struct mlxsw_sp_fid *f; + if (test_bit(fid, mlxsw_sp_port->active_vlans)) + return 0; + f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid); if (!f) { f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid);