[PATCH 06/21] zd1211rw: slight optimization of addr compare

[Ding Tianhong]

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

Cc: Daniel Drake <dsd@xxxxxxxxxx>
Cc: Ulrich Kunitz <kune@xxxxxxxxxxxxxx>
Cc: "John W. Linville" <linville@xxxxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Tan Xiaojun <tanxiaojun@xxxxxxxxxx>
Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
---
 drivers/net/wireless/zd1211rw/zd_mac.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index eff79a3..57badfb 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -532,9 +532,9 @@ 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_unaligned(tx_hdr->addr1,
+							 tx_status->mac)))
 			continue;
-		}
 
 		/* we skip all frames not matching the reported final rate */
 
@@ -997,7 +997,8 @@ 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_unaligned(tx_hdr->addr2,
+						      rx_hdr->addr1)))
 		{
 			found = 1;
 			break;
-- 
1.8.0


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