r6040: generate random ethernet MAC address when not initialized

This patch makes the ethernet driver assign a random ethernet
MAC address when the bootloader does not set it.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index b59837e80750..8b5d50927ebf 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -1153,8 +1153,10 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
 
         /* Some bootloader/BIOSes do not initialize
          * MAC address, warn about that */
-        if (!(adrp[0] || adrp[1] || adrp[2]))
-                printk(KERN_WARNING DRV_NAME ": MAC address not initialized\n");
+        if (!(adrp[0] || adrp[1] || adrp[2])) {
+                printk(KERN_WARNING DRV_NAME ": MAC address not initialized, generating random\n");
+                random_ether_addr(dev->dev_addr);
+        }
 
         /* Link new device into r6040_root_dev */
         lp->pdev = pdev;