[PATCH 6/8] netdev: octeon_mgmt: Cleanup and modernize MAC address handling.

From: David Daney
Date: Tue Aug 21 2012 - 14:45:59 EST


From: David Daney <david.daney@xxxxxxxxxx>

Use eth_mac_addr(), and generate a random address if none is otherwise
assigned.

Signed-off-by: David Daney <david.daney@xxxxxxxxxx>
---
drivers/net/ethernet/octeon/octeon_mgmt.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c
index 3bae01f..9b526da 100644
--- a/drivers/net/ethernet/octeon/octeon_mgmt.c
+++ b/drivers/net/ethernet/octeon/octeon_mgmt.c
@@ -648,12 +648,10 @@ static void octeon_mgmt_set_rx_filtering(struct net_device *netdev)

static int octeon_mgmt_set_mac_address(struct net_device *netdev, void *addr)
{
- struct sockaddr *sa = addr;
+ int r = eth_mac_addr(netdev, addr);

- if (!is_valid_ether_addr(sa->sa_data))
- return -EADDRNOTAVAIL;
-
- memcpy(netdev->dev_addr, sa->sa_data, ETH_ALEN);
+ if (r)
+ return r;

octeon_mgmt_set_rx_filtering(netdev);

@@ -1545,8 +1543,12 @@ static int __devinit octeon_mgmt_probe(struct platform_device *pdev)

mac = of_get_mac_address(pdev->dev.of_node);

- if (mac)
- memcpy(netdev->dev_addr, mac, 6);
+ if (mac && is_valid_ether_addr(mac)) {
+ memcpy(netdev->dev_addr, mac, ETH_ALEN);
+ netdev->addr_assign_type &= ~NET_ADDR_RANDOM;
+ } else {
+ eth_hw_addr_random(netdev);
+ }

p->phy_np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);

--
1.7.11.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/