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[v2,5/6] net: MOXA ART: generate random address

Message ID 1385393228-22416-5-git-send-email-jonas.jensen@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jonas Jensen Nov. 25, 2013, 3:27 p.m. UTC
The address register is zero:ed on boot, fill it with a randomly generated
address on probe.

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

Notes:
    Applies to next-20131125

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

Patch

diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index d1c4a83..ef7a347 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -734,6 +734,12 @@  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);