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bgmac: validate (and random if needed) MAC addr 

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 <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rafał Miłecki 2013-02-07 00:27:17 +00:00 committed by David S. Miller
parent e5e6730588
commit d166f218ff
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/broadcom/bgmac.c
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@ -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)