[PATCH 6/11] rtlwifi: use ether_addr_equal_64bits
From: Julia Lawall <hidden>
Date: 2013-12-30 17:19:28
Also in:
kernel-janitors, linux-wireless, lkml
Subsystem:
networking drivers (wireless), the rest · Maintainers:
Johannes Berg, Linus Torvalds
From: Julia Lawall <redacted> 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 <redacted> --- The semantic patch used is rather long and can be found in message 0 of this patch series. drivers/net/wireless/rtlwifi/base.c | 4 ++-- drivers/net/wireless/rtlwifi/ps.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c
index 0d81f76..deedae3 100644
--- 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 */
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index fcf9b62..d63a12c 100644
--- 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))