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* [PATCH net-next] net: sparx5: mdb add/del handle non-sparx5 devices
@ 2022-06-28  7:55 Casper Andersson
  2022-06-28 12:55 ` Steen Hegelund
  0 siblings, 1 reply; 4+ messages in thread
From: Casper Andersson @ 2022-06-28  7:55 UTC (permalink / raw)
  To: David S. Miller, Jakub Kicinski, Paolo Abeni
  Cc: Eric Dumazet, Lars Povlsen, Steen Hegelund, UNGLinuxDriver,
	netdev

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

Signed-off-by: Casper Andersson <casper.casan@gmail.com>
---
 drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c b/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
index 40ef9fad3a77..ec07f7d0528c 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_switchdev.c
@@ -397,6 +397,9 @@ static int sparx5_handle_port_mdb_add(struct net_device *dev,
 	bool is_host;
 	int res, err;
 
+	if (!sparx5_netdevice_check(dev))
+		return -EOPNOTSUPP;
+
 	is_host = netif_is_bridge_master(v->obj.orig_dev);
 
 	/* When VLAN unaware the vlan value is not parsed and we receive vid 0.
@@ -480,6 +483,9 @@ static int sparx5_handle_port_mdb_del(struct net_device *dev,
 	u32 mact_entry, res, pgid_entry[3], misc_cfg;
 	bool host_ena;
 
+	if (!sparx5_netdevice_check(dev))
+		return -EOPNOTSUPP;
+
 	if (!br_vlan_enabled(spx5->hw_bridge_dev))
 		vid = 1;
 	else
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-06-30 12:17 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2022-06-28  7:55 [PATCH net-next] net: sparx5: mdb add/del handle non-sparx5 devices Casper Andersson
2022-06-28 12:55 ` Steen Hegelund
2022-06-30  3:22   ` Jakub Kicinski
2022-06-30 12:16     ` Casper Andersson

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