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Code Issues Releases Wiki Activity

cw1200: slight optimization of addr compare

Browse source 
Use possibly more efficient ether_addr_equal
instead of memcmp.

Cc: Solomon Peachy <pizza@shaftnet.org>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
dingtianhong 2013-12-26 19:41:20 +08:00 committed by David S. Miller
parent d22fbd70c2
commit 35df5388ac
2 changed files with 4 additions and 4 deletions
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5
drivers/net/wireless/cw1200/sta.c
View file

@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/etherdevice.h>
#include "cw1200.h"
#include "sta.h"
@ -555,8 +556,8 @@ u64 cw1200_prepare_multicast(struct ieee80211_hw *hw,
pr_debug("[STA] multicast: %pM\n", ha->addr);
memcpy(&priv->multicast_filter.macaddrs[count],
ha->addr, ETH_ALEN);
if (memcmp(ha->addr, broadcast_ipv4, ETH_ALEN) &&
memcmp(ha->addr, broadcast_ipv6, ETH_ALEN))
if (!ether_addr_equal(ha->addr, broadcast_ipv4) &&
!ether_addr_equal(ha->addr, broadcast_ipv6))
priv->has_multicast_subscription = true;
count++;
}

3
drivers/net/wireless/cw1200/txrx.c
View file

@ -1166,8 +1166,7 @@ void cw1200_rx_cb(struct cw1200_common *priv,
return;
} else if (ieee80211_is_beacon(frame->frame_control) &&
!arg->status && priv->vif &&
!memcmp(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid,
ETH_ALEN)) {
ether_addr_equal(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid)) {
const u8 *tim_ie;
u8 *ies = ((struct ieee80211_mgmt *)
(skb->data))->u.beacon.variable;