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

From: Ding Tianhong
Date: Tue Dec 24 2013 - 06:28:28 EST


Use possibly more efficient ether_addr_equal_unaligned
to instead of memcmp.

Cc: Don Fry <pcnet32@xxxxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
---
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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