rtlwifi: use ether_addr_equal_64bits

Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be
used when each argument is an array within a structure that contains at
least two bytes of data beyond the array.

The structures involved are:
ieee80211_hdr defined in include/linux/ieee80211.h and
rtl_mac defined in drivers/net/wireless/rtlwifi/wifi.h

This was done using Coccinelle (http://coccinelle.lip6.fr/).

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index fcf9b62..d63a12c 100644 (file)
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -1293,7 +1293,7 @@ void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
                return;
 
        /* and only beacons from the associated BSSID, please */
-       if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
+       if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
                return;
 
        rtlpriv->link_info.bcn_rx_inperiod++;
@@ -1781,7 +1781,7 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
                return;
 
        /* and only beacons from the associated BSSID, please */
-       if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
+       if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
                return;
 
        if (rtl_find_221_ie(hw, data, len))

diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index 0d81f76..deedae3 100644 (file)
--- a/drivers/net/wireless/rtlwifi/ps.c
+++ b/drivers/net/wireless/rtlwifi/ps.c
@@ -478,7 +478,7 @@ void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
                return;
 
        /* and only beacons from the associated BSSID, please */
-       if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
+       if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
                return;
 
        rtlpriv->psc.last_beacon = jiffies;
@@ -923,7 +923,7 @@ void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len)
                return;
 
        /* and only beacons from the associated BSSID, please */
-       if (!ether_addr_equal(hdr->addr3, rtlpriv->mac80211.bssid))
+       if (!ether_addr_equal_64bits(hdr->addr3, rtlpriv->mac80211.bssid))
                return;
 
        /* check if this really is a beacon */