rename dev_hw_addr_random and remove redundant second

Renamed dev_hw_addr_random to eth_hw_addr_random() to reflect that
this function only assign a random ethernet address (MAC). Removed
the second parameter (u8 *hwaddr), it's redundant since the also
given net_device already contains net_device->dev_addr.
Set it directly.

Adapt igbvf and ixgbevf to the changed function.

Small fix for ixgbevf_probe(): if ixgbevf_sw_init() fails
(which means the device got no dev_addr) handle the error and
jump to err_sw_init as already done by igbvf in similar case.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index 446297f..92956e8 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -2712,18 +2712,19 @@
 		dev_info(&pdev->dev,
 			 "PF still in reset state, assigning new address."
 			 " Is the PF interface up?\n");
-		dev_hw_addr_random(adapter->netdev, hw->mac.addr);
+		eth_hw_addr_random(netdev);
+		memcpy(adapter->hw.mac.addr, netdev->dev_addr,
+			netdev->addr_len);
 	} else {
 		err = hw->mac.ops.read_mac_addr(hw);
 		if (err) {
 			dev_err(&pdev->dev, "Error reading MAC address\n");
 			goto err_hw_init;
 		}
+		memcpy(netdev->dev_addr, adapter->hw.mac.addr,
+			netdev->addr_len);
 	}
 
-	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
-	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
-
 	if (!is_valid_ether_addr(netdev->perm_addr)) {
 		dev_err(&pdev->dev, "Invalid MAC Address: %pM\n",
 		        netdev->dev_addr);
@@ -2731,6 +2732,8 @@
 		goto err_hw_init;
 	}
 
+	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
+
 	setup_timer(&adapter->watchdog_timer, &igbvf_watchdog,
 	            (unsigned long) adapter);