From: Maxim Kochetkov Date: Tue, 14 Jul 2020 12:01:04 +0000 (+0300) Subject: gianfar: Use random MAC address when none is given X-Git-Tag: v5.15~3334^2~69 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ff021f22ea8f1388ced048243c6e06ca5cfbd62a;p=platform%2Fkernel%2Flinux-starfive.git gianfar: Use random MAC address when none is given If there is no valid MAC address in the device tree, use a random MAC address. Signed-off-by: Maxim Kochetkov Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index b3c69e9..b513b8c 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -779,8 +779,12 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev) mac_addr = of_get_mac_address(np); - if (!IS_ERR(mac_addr)) + if (!IS_ERR(mac_addr)) { ether_addr_copy(dev->dev_addr, mac_addr); + } else { + eth_hw_addr_random(dev); + dev_info(&ofdev->dev, "Using random MAC address: %pM\n", dev->dev_addr); + } if (model && !strcasecmp(model, "TSEC")) priv->device_flags |= FSL_GIANFAR_DEV_HAS_GIGABIT |