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net: ethernet: adi: adin1110: Add check in netdev_event 

Check whether this driver actually is the intended recipient of
upper change event.

Fixes: bc93e19d08 ("net: ethernet: adi: Add ADIN1110 support")
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Link: https://lore.kernel.org/r/20221003111636.54973-1-alexandru.tachici@analog.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Alexandru Tachici 2022-10-03 14:16:36 +03:00 committed by Jakub Kicinski
parent 229a002759
commit f93719351b
1 changed files with 8 additions and 5 deletions
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13
drivers/net/ethernet/adi/adin1110.c
View File

@ -1169,6 +1169,11 @@ static int adin1110_port_bridge_leave(struct adin1110_port_priv *port_priv,
return ret;
}
static bool adin1110_port_dev_check(const struct net_device *dev)
{
return dev->netdev_ops == &adin1110_netdev_ops;
}
static int adin1110_netdevice_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
@ -1177,6 +1182,9 @@ static int adin1110_netdevice_event(struct notifier_block *unused,
struct netdev_notifier_changeupper_info *info = ptr;
int ret = 0;
if (!adin1110_port_dev_check(dev))
return NOTIFY_DONE;
switch (event) {
case NETDEV_CHANGEUPPER:
if (netif_is_bridge_master(info->upper_dev)) {
@ -1202,11 +1210,6 @@ static void adin1110_disconnect_phy(void *data)
phy_disconnect(data);
}
static bool adin1110_port_dev_check(const struct net_device *dev)
{
return dev->netdev_ops == &adin1110_netdev_ops;
}
static int adin1110_port_set_forwarding_state(struct adin1110_port_priv *port_priv)
{
struct adin1110_priv *priv = port_priv->priv;