redonkable/alistair23-linux
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gianfar: Use random MAC address when none is given

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If there is no valid MAC address in the device tree,
use a random MAC address.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maxim Kochetkov 2020-07-14 15:01:04 +03:00 committed by David S. Miller
parent 3195c4706b
commit ff021f22ea
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ethernet/freescale/gianfar.c
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@ -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 |