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net: sparx5: mdb add/del handle non-sparx5 devices

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When adding/deleting mdb entries on other net_devices, eg., tap
interfaces, it should not crash.

Fixes: 3bacfccdcb ("net: sparx5: Add mdb handlers")
Signed-off-by: Casper Andersson <[email protected]>
Reviewed-by: Steen Hegelund <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
This commit is contained in:
Casper Andersson
2022-06-30 11:32:54 -07:00
committed by Jakub Kicinski
parent 0a18d802d6
commit 9c5de246c1
1 changed files with 6 additions and 0 deletions
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drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
+6
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@@ -396,6 +396,9 @@ static int sparx5_handle_port_mdb_add(struct net_device *dev,
u32 mact_entry;
int res, err;
if (!sparx5_netdevice_check(dev))
return -EOPNOTSUPP;
if (netif_is_bridge_master(v->obj.orig_dev)) {
sparx5_mact_learn(spx5, PGID_CPU, v->addr, v->vid);
return 0;
@@ -466,6 +469,9 @@ static int sparx5_handle_port_mdb_del(struct net_device *dev,
u32 mact_entry, res, pgid_entry[3];
int err;
if (!sparx5_netdevice_check(dev))
return -EOPNOTSUPP;
if (netif_is_bridge_master(v->obj.orig_dev)) {
sparx5_mact_forget(spx5, v->addr, v->vid);
return 0;