Subject: [PATCH v3 10/19] mac8011: slight optimization of addr compare

From: Ding Tianhong <[email-masked]>
Date: Wed, 25 Dec 2013 11:29:03 +0800

Use the possibly more efficient ether_addr_equal
to instead of memcmp.

Cc: Johannes Berg <[email-masked]>
Cc: John W. Linville <[email-masked]>
Cc: David Miller <[email-masked]>
Cc: [email-masked]
Cc: [email-masked]
Signed-off-by: Wang Weidong <[email-masked]>
Signed-off-by: Ding Tianhong <[email-masked]>
---
 net/mac80211/iface.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7aa9f9d..a4f9812 100644
--- 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;
 				}
-- 
1.8.0