[PATCH 13/21] mac8011: slight optimization of addr compare

From: Ding Tianhong
Date: Mon Dec 23 2013 - 00:11:45 EST


Use the recently added and possibly more efficient
ether_addr_equal_unaligned to instead of memcmp.

Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Cc: John W. Linville <linville@xxxxxxxxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Signed-off-by: Wang Weidong <wangweidong1@xxxxxxxxxx>
Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
---
net/mac80211/iface.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7aa9f9d..1773e17 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1497,8 +1497,7 @@ 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_unaligned(local->hw.wiphy->addresses[i].addr, sdata->vif.addr)) {
used = true;
break;
}
@@ -1558,8 +1557,7 @@ 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_unaligned(tmp_addr, sdata->vif.addr)) {
used = true;
break;
}
--
1.8.0


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