net: thunderbolt: use eth_hw_addr_set()

Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it go through appropriate helpers.

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20211026175547.3198242-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c
index 9a6a835..ff5d0e9 100644 (file)
--- a/drivers/net/thunderbolt.c
+++ b/drivers/net/thunderbolt.c
@@ -1202,17 +1202,19 @@ static void tbnet_generate_mac(struct net_device *dev)
 {
        const struct tbnet *net = netdev_priv(dev);
        const struct tb_xdomain *xd = net->xd;
+       u8 addr[ETH_ALEN];
        u8 phy_port;
        u32 hash;
 
        phy_port = tb_phy_port_from_link(TBNET_L0_PORT_NUM(xd->route));
 
        /* Unicast and locally administered MAC */
-       dev->dev_addr[0] = phy_port << 4 | 0x02;
+       addr[0] = phy_port << 4 | 0x02;
        hash = jhash2((u32 *)xd->local_uuid, 4, 0);
-       memcpy(dev->dev_addr + 1, &hash, sizeof(hash));
+       memcpy(addr + 1, &hash, sizeof(hash));
        hash = jhash2((u32 *)xd->local_uuid, 4, hash);
-       dev->dev_addr[5] = hash & 0xff;
+       addr[5] = hash & 0xff;
+       eth_hw_addr_set(dev, addr);
 }
 
 static int tbnet_probe(struct tb_service *svc, const struct tb_service_id *id)