[PATCH 4/5] net: MOXA ART: generate random address

From: Jonas Jensen
Date: Fri Nov 22 2013 - 09:57:51 EST


The address register is zero:ed on boot, fill it with a randomly generated
address on probe.

Signed-off-by: Jonas Jensen <jonas.jensen@xxxxxxxxx>
---

Notes:
Applies to next-20131122

drivers/net/ethernet/moxa/moxart_ether.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index 08c3905..c02075a 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -700,6 +700,12 @@ static int moxart_mac_probe(struct platform_device *pdev)
goto init_fail;
}

+ if (!is_valid_ether_addr(ndev->dev_addr)) {
+ eth_hw_addr_random(ndev);
+ netdev_info(ndev, "generated random MAC address %pM\n",
+ ndev->dev_addr);
+ }
+
netdev_dbg(ndev, "%s: IRQ=%d address=%pM\n",
__func__, ndev->irq, ndev->dev_addr);

--
1.8.2.1

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