mac8011: slight optimization of addr compare

Use the possibly more efficient ether_addr_equal
to instead of memcmp.

Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: David Miller <davem@davemloft.net>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7aa9f9dea9df0af487c25c36d52004179d76b72c..a4f98123d0bf20b7bc49540cf9fb9225218e6ba7 100644 (file)
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1497,8 +1497,8 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
                        bool used = false;
 
                        list_for_each_entry(sdata, &local->interfaces, list) {
-                               if (memcmp(local->hw.wiphy->addresses[i].addr,
-                                          sdata->vif.addr, ETH_ALEN) == 0) {
+                               if (ether_addr_equal(local->hw.wiphy->addresses[i].addr,
+                                                    sdata->vif.addr)) {
                                        used = true;
                                        break;
                                }
@@ -1558,8 +1558,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
                        val += inc;
 
                        list_for_each_entry(sdata, &local->interfaces, list) {
-                               if (memcmp(tmp_addr, sdata->vif.addr,
-                                                       ETH_ALEN) == 0) {
+                               if (ether_addr_equal(tmp_addr, sdata->vif.addr)) {
                                        used = true;
                                        break;
                                }