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>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index ddd252a3da9c023794e0bde418d689d87cb4b8c4..8e9dad770900a21658aa6d1454266ea0cf440c80 100644 (file)
--- 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;
                }