Subject: [PATCH v2 19/20] rtlwifi: slight optimization of addr compare

From: Ding Tianhong <[email-masked]>
Date: Tue, 24 Dec 2013 19:29:26 +0800

Use possibly more efficient ether_addr_equal_unaligned
instead of memcmp.

Cc: Larry Finger <[email-masked]>
Cc: Chaoming Li <[email-masked]>
Cc: John W. Linville <[email-masked]>
Cc: [email-masked]
Cc: [email-masked]
Cc: [email-masked]
Signed-off-by: Weilong Chen <[email-masked]>
Signed-off-by: Ding Tianhong <[email-masked]>
---
 drivers/net/wireless/rtlwifi/cam.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/cam.c b/drivers/net/wireless/rtlwifi/cam.c
index 0e510f7..0276153 100644
--- a/drivers/net/wireless/rtlwifi/cam.c
+++ b/drivers/net/wireless/rtlwifi/cam.c
@@ -295,7 +295,7 @@ u8 rtl_cam_get_free_entry(struct ieee80211_hw *hw, u8 *sta_addr)
 	/* Does STA already exist? */
 	for (i = 4; i < TOTAL_CAM_ENTRY; i++) {
 		addr = rtlpriv->sec.hwsec_cam_sta_addr[i];
-		if (memcmp(addr, sta_addr, ETH_ALEN) == 0)
+		if (ether_addr_equal_unaligned(addr, sta_addr))
 			return i;
 	}
 	/* Get a free CAM entry. */
@@ -335,7 +335,7 @@ void rtl_cam_del_entry(struct ieee80211_hw *hw, u8 *sta_addr)
 		addr = rtlpriv->sec.hwsec_cam_sta_addr[i];
 		bitmap = (rtlpriv->sec.hwsec_cam_bitmap) >> i;
 		if (((bitmap & BIT(0)) == BIT(0)) &&
-		    (memcmp(addr, sta_addr, ETH_ALEN) == 0)) {
+		    (ether_addr_equal_unaligned(addr, sta_addr))) {
 			/* Remove from HW Security CAM */
 			eth_zero_addr(rtlpriv->sec.hwsec_cam_sta_addr[i]);
 			rtlpriv->sec.hwsec_cam_bitmap &= ~(BIT(0) << i);
-- 
1.8.0