bonding: Convert memcpy(foo, bar, ETH_ALEN) to ether_addr_copy(foo, bar)
ether_addr_copy is smaller and faster for some architectures.
This relies on a stack frame being at least __aligned(2)
for one use of an Ethernet address on the stack.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 90994ed..3bce855 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -673,12 +673,12 @@
write_unlock_bh(&bond->curr_slave_lock);
if (old_active) {
- memcpy(tmp_mac, new_active->dev->dev_addr, ETH_ALEN);
+ ether_addr_copy(tmp_mac, new_active->dev->dev_addr);
memcpy(saddr.sa_data, old_active->dev->dev_addr,
ETH_ALEN);
saddr.sa_family = new_active->dev->type;
} else {
- memcpy(saddr.sa_data, bond->dev->dev_addr, ETH_ALEN);
+ ether_addr_copy(saddr.sa_data, bond->dev->dev_addr);
saddr.sa_family = bond->dev->type;
}
@@ -692,7 +692,7 @@
if (!old_active)
goto out;
- memcpy(saddr.sa_data, tmp_mac, ETH_ALEN);
+ ether_addr_copy(saddr.sa_data, tmp_mac);
saddr.sa_family = old_active->dev->type;
rv = dev_set_mac_address(old_active->dev, &saddr);
@@ -1316,7 +1316,7 @@
* that need it, and for restoring it upon release, and then
* set it to the master's address
*/
- memcpy(new_slave->perm_hwaddr, slave_dev->dev_addr, ETH_ALEN);
+ ether_addr_copy(new_slave->perm_hwaddr, slave_dev->dev_addr);
if (!bond->params.fail_over_mac ||
bond->params.mode != BOND_MODE_ACTIVEBACKUP) {
@@ -1587,7 +1587,7 @@
* MAC if this slave's MAC is in use by the bond, or at
* least print a warning.
*/
- memcpy(addr.sa_data, new_slave->perm_hwaddr, ETH_ALEN);
+ ether_addr_copy(addr.sa_data, new_slave->perm_hwaddr);
addr.sa_family = slave_dev->type;
dev_set_mac_address(slave_dev, &addr);
}
@@ -1776,7 +1776,7 @@
if (bond->params.fail_over_mac != BOND_FOM_ACTIVE ||
bond->params.mode != BOND_MODE_ACTIVEBACKUP) {
/* restore original ("permanent") mac address */
- memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN);
+ ether_addr_copy(addr.sa_data, slave->perm_hwaddr);
addr.sa_family = slave_dev->type;
dev_set_mac_address(slave_dev, &addr);
}