commit efc61a3442da9fd17a61fcabef445534598f54a8
author Jiri Pirko <jiri@resnulli.us> Sun Jan 06 03:25:45 2013 +0000
committer David S. Miller <davem@davemloft.net> Sun Jan 06 21:04:15 2013 -0800
tree 885ee9e659de98c65128fe1b5f7ef8c4865405d5
parent b681b65d4fc0cad468c4caad02b0bc93d59b00df

ethoc: fix mac address set

Function ethoc_set_mac_address() was incorrectly using passed pointer as
pointer to address, that is not correct.
Struct sockaddr have to be be used here.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ethoc.c

diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
index b93062d..b51c81a 100644
--- a/drivers/net/ethernet/ethoc.c
+++ b/drivers/net/ethernet/ethoc.c
@@ -771,20 +771,24 @@
 	return -ENOSYS;
 }
 
-static int ethoc_set_mac_address(struct net_device *dev, void *addr)
+static void ethoc_do_set_mac_address(struct net_device *dev)
 {
 	struct ethoc *priv = netdev_priv(dev);
-	u8 *mac = (u8 *)addr;
-
-	if (!is_valid_ether_addr(mac))
-		return -EADDRNOTAVAIL;
+	unsigned char *mac = dev->dev_addr;
 
 	ethoc_write(priv, MAC_ADDR0, (mac[2] << 24) | (mac[3] << 16) |
 				     (mac[4] <<  8) | (mac[5] <<  0));
 	ethoc_write(priv, MAC_ADDR1, (mac[0] <<  8) | (mac[1] <<  0));
+}
 
-	memcpy(dev->dev_addr, mac, ETH_ALEN);
+static int ethoc_set_mac_address(struct net_device *dev, void *p)
+{
+	const struct sockaddr *addr = p;
 
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+	ethoc_do_set_mac_address(dev);
 	return 0;
 }
 
@@ -1060,11 +1064,7 @@
 		random_mac = true;
 	}
 
-	ret = ethoc_set_mac_address(netdev, netdev->dev_addr);
-	if (ret) {
-		dev_err(&netdev->dev, "failed to set MAC address\n");
-		goto error;
-	}
+	ethoc_do_set_mac_address(netdev);
 
 	if (random_mac)
 		netdev->addr_assign_type = NET_ADDR_RANDOM;