linux-kernel - [PATCH v2 03/20] net: pcnet: slight optimization of addr compare

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Message-ID: <52B96FA7.10201@huawei.com>
Date:	Tue, 24 Dec 2013 19:27:35 +0800
From:	Ding Tianhong <dingtianhong@...wei.com>
To:	Don Fry <pcnet32@...ntier.com>, Netdev <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 03/20] net: pcnet: slight optimization of addr compare

Use possibly more efficient ether_addr_equal_unaligned
to instead of memcmp.

Cc: Don Fry <pcnet32@...ntier.com>
Cc: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>
---
 drivers/net/ethernet/amd/pcnet32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
index 38492e0..9339ccc 100644
--- a/drivers/net/ethernet/amd/pcnet32.c
+++ b/drivers/net/ethernet/amd/pcnet32.c
@@ -1668,7 +1668,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	for (i = 0; i < ETH_ALEN; i++)
 		promaddr[i] = inb(ioaddr + i);
 
-	if (memcmp(promaddr, dev->dev_addr, ETH_ALEN) ||
+	if (!ether_addr_equal(promaddr, dev->dev_addr) ||
 	    !is_valid_ether_addr(dev->dev_addr)) {
 		if (is_valid_ether_addr(promaddr)) {
 			if (pcnet32_debug & NETIF_MSG_PROBE) {
-- 
1.8.0



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