Messages in this thread Patch in this message | | | From | Sven Schnelle <> | Subject | [PATCH] macb: use random mac if stored address in EEPROM is invalid | Date | Wed, 04 Jun 2008 19:44:20 +0200 |
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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>
--- drivers/net/macb.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index 92dccd4..e346302 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -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)
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