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net: tile: Use helpers from linux/etherdevice.h to check/set MAC 

Use is_zero_ether_addr() to check for the MAC address being all zeros instead of
open coding the check.

Also use ether_addr_copy() instead of a manual memcpy() to set the
netdev->dev_addr.

Furthermore, get rid of a redundant assignment of netdev->addr_len. This is
already set by ether_setup() which is called in tile_net_setup().

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2014-05-30 09:47:17 +02:00 committed by David S. Miller
parent 08f6dd89d2
commit d581ebf5a1
1 changed files with 3 additions and 9 deletions
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12
drivers/net/ethernet/tile/tilegx.c
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@ -2192,7 +2192,6 @@ static void tile_net_dev_init(const char *name, const uint8_t *mac)
{
int ret;
int i;
int nz_addr = 0;
struct net_device *dev;
struct tile_net_priv *priv;
@ -2223,15 +2222,10 @@ static void tile_net_dev_init(const char *name, const uint8_t *mac)
* be done before the device is opened. If the MAC is all zeroes,
* we use a random address, since we're probably on the simulator.
*/
for (i = 0; i < 6; i++)
nz_addr |= mac[i];
if (nz_addr) {
memcpy(dev->dev_addr, mac, ETH_ALEN);
dev->addr_len = 6;
} else {
if (!is_zero_ether_addr(mac))
ether_addr_copy(dev->dev_addr, mac);
else
eth_hw_addr_random(dev);
}
/* Register the network device. */
ret = register_netdev(dev);