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Subject[PATCH net-next 09/20] net: ksz884x: slight optimization of addr compare
Use possibly more efficient ether_addr_equal
to instead of memcmp.

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
---
drivers/net/ethernet/micrel/ksz884x.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index ddd252a..8e9dad7 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -4128,10 +4128,10 @@ static int hw_add_addr(struct ksz_hw *hw, u8 *mac_addr)
int i;
int j = ADDITIONAL_ENTRIES;

- if (!memcmp(hw->override_addr, mac_addr, ETH_ALEN))
+ if (ether_addr_equal(hw->override_addr, mac_addr))
return 0;
for (i = 0; i < hw->addr_list_size; i++) {
- if (!memcmp(hw->address[i], mac_addr, ETH_ALEN))
+ if (ether_addr_equal(hw->address[i], mac_addr))
return 0;
if (ADDITIONAL_ENTRIES == j && empty_addr(hw->address[i]))
j = i;
@@ -4149,7 +4149,7 @@ static int hw_del_addr(struct ksz_hw *hw, u8 *mac_addr)
int i;

for (i = 0; i < hw->addr_list_size; i++) {
- if (!memcmp(hw->address[i], mac_addr, ETH_ALEN)) {
+ if (ether_addr_equal(hw->address[i], mac_addr)) {
memset(hw->address[i], 0, ETH_ALEN);
writel(0, hw->io + ADD_ADDR_INCR * i +
KS_ADD_ADDR_0_HI);
@@ -7104,8 +7104,7 @@ static int pcidev_init(struct pci_dev *pdev, const struct pci_device_id *id)
ETH_ALEN);
else {
memcpy(dev->dev_addr, sw->other_addr, ETH_ALEN);
- if (!memcmp(sw->other_addr, hw->override_addr,
- ETH_ALEN))
+ if (ether_addr_equal(sw->other_addr, hw->override_addr))
dev->dev_addr[5] += port->first_port;
}

--
1.8.0



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