[PATCH net-next v3 07/19] net: ixgbe: slight optimization of addr compare

DORMANTno replies

From: Ding Tianhong <hidden>
Date: 2013-12-30 07:42:29
Also in: lkml
Subsystem: intel ethernet drivers, networking drivers, the rest · Maintainers: Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Use possibly more efficient ether_addr_equal
to instead of memcmp.

Cc: Jeff Kirsher <redacted>
Cc: Jesse Brandeburg <redacted>
Cc: Bruce Allan <redacted>
Signed-off-by: Ding Tianhong <redacted>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index d6f0c0d..9ce07f3 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",
-- 
1.8.0
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