net: igbvf: slight optimization of addr compare

Use possibly more efficient ether_addr_equal
to instead of memcmp.

Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Carolyn Wyborny <carolyn.wyborny@intel.com>
Cc: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index 04bf22e5ee315ffb9c9c789a7dad585e02063ca1..675435fc2e53c8b30c84571a02184e50088a242f 100644 (file)
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1745,7 +1745,7 @@ static int igbvf_set_mac(struct net_device *netdev, void *p)
 
        hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
 
-       if (memcmp(addr->sa_data, hw->mac.addr, 6))
+       if (!ether_addr_equal(addr->sa_data, hw->mac.addr))
                return -EADDRNOTAVAIL;
 
        memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);