From: dingtianhong <dingtianhong@huawei.com>
Date: Mon, 30 Dec 2013 07:40:50 +0000 (+0800)
Subject: net: ixgbe: slight optimization of addr compare
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=4012dda3c160f2d5c615413a224bdb6333698e2c;p=deliverable%2Flinux.git

net: ixgbe: 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: Bruce Allan <bruce.w.allan@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/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index d6f0c0d8cf11..9ce07f3ef62d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -715,8 +715,7 @@ static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter,
 	}
 
 	if (adapter->vfinfo[vf].pf_set_mac &&
-	    memcmp(adapter->vfinfo[vf].vf_mac_addresses, new_mac,
-		   ETH_ALEN)) {
+	    !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) {
 		e_warn(drv,
 		       "VF %d attempted to override administratively set MAC address\n"
 		       "Reload the VF driver to resume operations\n",