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Subject[PATCH] macb: use random mac if stored address in EEPROM is invalid
Date

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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