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net: atl1: slight optimization of addr compare

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Use the recently added and possibly more efficient
ether_addr_equal_unaligned to instead of memcmp.

Cc: Jay Cliburn <jcliburn@gmail.com>
Cc: Chris Snook <chris.snook@gmail.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
dingtianhong 2013-12-26 19:40:27 +08:00 committed by David S. Miller
parent ebff7b41b6
commit e6d9f8a31c
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/atheros/atlx/atl1.c
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@ -3122,7 +3122,8 @@ static void atl1_remove(struct pci_dev *pdev)
* from the BIOS during POST. If we've been messing with the MAC
* address, we need to save the permanent one.
*/
if (memcmp(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN)) {
if (!ether_addr_equal_unaligned(adapter->hw.mac_addr,
adapter->hw.perm_mac_addr)) {
memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr,
ETH_ALEN);
atl1_set_mac_addr(&adapter->hw);