diff options
| -rw-r--r-- | net/dsa/slave.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 42436ac6993b..a61a7c54af20 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -305,6 +305,12 @@ static int dsa_slave_set_mac_address(struct net_device *dev, void *a) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; + /* If the port is down, the address isn't synced yet to hardware or + * to the DSA master, so there is nothing to change. + */ + if (!(dev->flags & IFF_UP)) + goto out_change_dev_addr; + if (dsa_switch_supports_uc_filtering(ds)) { err = dsa_port_standalone_host_fdb_add(dp, addr->sa_data, 0); if (err) @@ -323,6 +329,7 @@ static int dsa_slave_set_mac_address(struct net_device *dev, void *a) if (dsa_switch_supports_uc_filtering(ds)) dsa_port_standalone_host_fdb_del(dp, dev->dev_addr, 0); +out_change_dev_addr: eth_hw_addr_set(dev, addr->sa_data); return 0; |