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| author | Hari Vyas <hariv@broadcom.com> | 2017-03-02 17:59:57 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-03 09:44:28 -0800 |
| commit | fa42245dff4a5f2f8f208da542acbd80c22f7c65 (patch) | |
| tree | e8563495264c20d363e421cdcd9aa3291b0d5bf8 | |
| parent | 16206524f6ea57d6dcd56fe46f9f4a06d4a1b113 (diff) | |
| download | linux-fa42245dff4a5f2f8f208da542acbd80c22f7c65.tar.gz linux-fa42245dff4a5f2f8f208da542acbd80c22f7c65.tar.xz | |
net: ethernet: bgmac: mac address change bug
ndo_set_mac_address() passes struct sockaddr * as 2nd parameter to
bgmac_set_mac_address() but code assumed u8 *. This caused two bytes
chopping and the wrong mac address was configured.
Signed-off-by: Hari Vyas <hariv@broadcom.com>
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Fixes: 4e209001b86 ("bgmac: write mac address to hardware in ndo_set_mac_address")
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 415046750bb4..fd66fca00e01 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1223,12 +1223,16 @@ static netdev_tx_t bgmac_start_xmit(struct sk_buff *skb, static int bgmac_set_mac_address(struct net_device *net_dev, void *addr) { struct bgmac *bgmac = netdev_priv(net_dev); + struct sockaddr *sa = addr; int ret; ret = eth_prepare_mac_addr_change(net_dev, addr); if (ret < 0) return ret; - bgmac_write_mac_address(bgmac, (u8 *)addr); + + ether_addr_copy(net_dev->dev_addr, sa->sa_data); + bgmac_write_mac_address(bgmac, net_dev->dev_addr); + eth_commit_mac_addr_change(net_dev, addr); return 0; } |