From f15fef4c0675d4117d71ae5233e864fd3db14761 Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Mon, 18 Oct 2021 07:29:32 -0700 Subject: ethernet: smsc: 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 got through appropriate helpers. Break the address up into an array on the stack, then call eth_hw_addr_set(). Signed-off-by: Jakub Kicinski Signed-off-by: David S. Miller --- drivers/net/ethernet/smsc/smsc9420.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'drivers/net/ethernet/smsc/smsc9420.c') diff --git a/drivers/net/ethernet/smsc/smsc9420.c b/drivers/net/ethernet/smsc/smsc9420.c index d207c0b463ab..d937af18973e 100644 --- a/drivers/net/ethernet/smsc/smsc9420.c +++ b/drivers/net/ethernet/smsc/smsc9420.c @@ -416,6 +416,7 @@ static void smsc9420_set_mac_address(struct net_device *dev) static void smsc9420_check_mac_address(struct net_device *dev) { struct smsc9420_pdata *pd = netdev_priv(dev); + u8 addr[ETH_ALEN]; /* Check if mac address has been specified when bringing interface up */ if (is_valid_ether_addr(dev->dev_addr)) { @@ -427,15 +428,16 @@ static void smsc9420_check_mac_address(struct net_device *dev) * it will already have been set */ u32 mac_high16 = smsc9420_reg_read(pd, ADDRH); u32 mac_low32 = smsc9420_reg_read(pd, ADDRL); - dev->dev_addr[0] = (u8)(mac_low32); - dev->dev_addr[1] = (u8)(mac_low32 >> 8); - dev->dev_addr[2] = (u8)(mac_low32 >> 16); - dev->dev_addr[3] = (u8)(mac_low32 >> 24); - dev->dev_addr[4] = (u8)(mac_high16); - dev->dev_addr[5] = (u8)(mac_high16 >> 8); - - if (is_valid_ether_addr(dev->dev_addr)) { + addr[0] = (u8)(mac_low32); + addr[1] = (u8)(mac_low32 >> 8); + addr[2] = (u8)(mac_low32 >> 16); + addr[3] = (u8)(mac_low32 >> 24); + addr[4] = (u8)(mac_high16); + addr[5] = (u8)(mac_high16 >> 8); + + if (is_valid_ether_addr(addr)) { /* eeprom values are valid so use them */ + eth_hw_addr_set(dev, addr); netif_dbg(pd, probe, pd->dev, "Mac Address is read from EEPROM\n"); } else { -- cgit