These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / net / ethernet / marvell / sky2.c

diff --git a/kernel/drivers/net/ethernet/marvell/sky2.c b/kernel/drivers/net/ethernet/marvell/sky2.c
index d9f4498..5606a04 100644 (file)
--- a/kernel/drivers/net/ethernet/marvell/sky2.c
+++ b/kernel/drivers/net/ethernet/marvell/sky2.c
@@ -4819,6 +4819,18 @@ static struct net_device *sky2_init_netdev(struct sky2_hw *hw, unsigned port,
                memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8,
                              ETH_ALEN);
 
+       /* if the address is invalid, use a random value */
+       if (!is_valid_ether_addr(dev->dev_addr)) {
+               struct sockaddr sa = { AF_UNSPEC };
+
+               netdev_warn(dev,
+                           "Invalid MAC address, defaulting to random\n");
+               eth_hw_addr_random(dev);
+               memcpy(sa.sa_data, dev->dev_addr, ETH_ALEN);
+               if (sky2_set_mac_address(dev, &sa))
+                       netdev_warn(dev, "Failed to set MAC address.\n");
+       }
+
        return dev;
 }