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macb: use random mac if stored address in EEPROM is invalid 

We should use a random mac address if the EEPROM doesn't contain a valid
one. This makes life on Boards with unprogrammed EEPROM devices easier.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Sven Schnelle 2008-06-09 16:33:57 -07:00 committed by Jeff Garzik
parent 86a74ff21a
commit d1d5741d85
1 changed files with 5 additions and 1 deletions
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6
drivers/net/macb.c
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@ -80,8 +80,12 @@ static void __init macb_get_hwaddr(struct macb *bp)
addr[4] = top & 0xff;
addr[5] = (top >> 8) & 0xff;
if (is_valid_ether_addr(addr))
if (is_valid_ether_addr(addr)) {
memcpy(bp->dev->dev_addr, addr, sizeof(addr));
} else {
dev_info(&bp->pdev->dev, "invalid hw address, using random\n");
random_ether_addr(bp->dev->dev_addr);
}
}
static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum)