[PATCH] gianfar: Use random MAC address when none is given

[Maxim Kochetkov]

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

Signed-off-by: Maxim Kochetkov <fido_...@inbox.ru>
---
 drivers/net/ethernet/freescale/gianfar.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/gianfar.c 
b/drivers/net/ethernet/freescale/gianfar.c
index b3c69e9038ea..b513b8c5c3b5 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 |
-- 
2.27.0