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| author | Sven Schnelle <svens@stackframe.org> | 2008-06-09 16:33:57 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-06-11 21:58:28 -0400 |
| commit | d1d5741d8568c268ec234a5b35af4a04498be6d8 (patch) | |
| tree | cda12027b3afb215d085229a86a40584f3637450 | |
| parent | 86a74ff21a7ac4bc06b18076ddb0347712b46cfd (diff) | |
| download | linux-stable-d1d5741d8568c268ec234a5b35af4a04498be6d8.tar.gz linux-stable-d1d5741d8568c268ec234a5b35af4a04498be6d8.tar.bz2 linux-stable-d1d5741d8568c268ec234a5b35af4a04498be6d8.zip | |
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>
| -rw-r--r-- | 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 92dccd43bdca..e34630252cef 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) |