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Commit c15975ac authored by dingtianhong's avatar dingtianhong Committed by David S. Miller
Browse files

zd1211rw: slight optimization of addr compare 



Use possibly more efficient ether_addr_equal
instead of memcmp.

Cc: Daniel Drake <dsd@gentoo.org>
Cc: Ulrich Kunitz <kune@deine-taler.de>
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: default avatarTan Xiaojun <tanxiaojun@huawei.com>
Signed-off-by: default avatarDing Tianhong <dingtianhong@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 323813ed

drivers/net/wireless/zd1211rw/zd_mac.c

+2 −3
Original line number Diff line number Diff line
@@ -532,9 +532,8 @@ void zd_mac_tx_failed(struct urb *urb) 
		tx_hdr = (struct ieee80211_hdr *)skb->data;



		/* we skip all frames not matching the reported destination */

		if (unlikely(memcmp(tx_hdr->addr1, tx_status->mac, ETH_ALEN))) {

		if (unlikely(!ether_addr_equal(tx_hdr->addr1, tx_status->mac)))

			continue;

		}



		/* we skip all frames not matching the reported final rate */
@@ -997,7 +996,7 @@ static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr, 
		    continue;



		tx_hdr = (struct ieee80211_hdr *)skb->data;

		if (likely(!memcmp(tx_hdr->addr2, rx_hdr->addr1, ETH_ALEN)))

		if (likely(ether_addr_equal(tx_hdr->addr2, rx_hdr->addr1)))

		{

			found = 1;

			break;