From d166f218ff2bae0f6adae9ce5444a889a1d749e2 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Thu, 7 Feb 2013 00:27:17 +0000 Subject: [PATCH] bgmac: validate (and random if needed) MAC addr MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This adds check for a valid Ethernet MAC address and in case it is not, it will generate a valid random one, such that the adapter is still usable. Signed-off-by: Rafał Miłecki Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bgmac.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 23c8d4a21cc..380084bad12 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1318,6 +1318,12 @@ static int bgmac_probe(struct bcma_device *core) return -ENOTSUPP; } + if (!is_valid_ether_addr(mac)) { + dev_err(&core->dev, "Invalid MAC addr: %pM\n", mac); + eth_random_addr(mac); + dev_warn(&core->dev, "Using random MAC: %pM\n", mac); + } + /* Allocation and references */ net_dev = alloc_etherdev(sizeof(*bgmac)); if (!net_dev) -- 2.41.0