Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754917AbaAHC6u (ORCPT ); Tue, 7 Jan 2014 21:58:50 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:42857 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754834AbaAHCx2 (ORCPT ); Tue, 7 Jan 2014 21:53:28 -0500 Message-ID: <52CCBD9F.2080804@huawei.com> Date: Wed, 8 Jan 2014 10:53:19 +0800 From: Ding Tianhong User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.0.1 MIME-Version: 1.0 To: Jay Cliburn , Chris Snook , Netdev , "linux-kernel@vger.kernel.org" Subject: [PATCH v3.6 03/19] net: atl1: slight optimization of addr compare Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.22.246] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the recently added and possibly more efficient ether_addr_equal_unaligned to instead of memcmp. Cc: Jay Cliburn Cc: Chris Snook Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Weilong Chen Signed-off-by: Ding Tianhong --- drivers/net/ethernet/atheros/atlx/atl1.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c index 538211d..55d86ec 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.c +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -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); -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/