From 4f29739bb05cfbe5529460d0e8afeff2a528c2fa Mon Sep 17 00:00:00 2001 From: dingtianhong Date: Thu, 26 Dec 2013 19:41:30 +0800 Subject: [PATCH] rtlwifi: slight optimization of addr compare Use possibly more efficient ether_addr_equal_unaligned instead of memcmp. Cc: Larry Finger Cc: Chaoming Li Cc: John W. Linville Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Weilong Chen Signed-off-by: Ding Tianhong Signed-off-by: David S. Miller --- 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 0e510f73041a..0276153c72cc 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); -- 2.20.1