From: Julia Lawall Date: Mon, 30 Dec 2013 18:15:07 +0000 (+0100) Subject: carl9170: use ether_addr_equal_64bits X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1283ac10e97a33c7cdefdb28570e74879635f34e;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git carl9170: 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, ieee80211_bar defined in include/linux/ieee80211.h and ath_common defined in drivers/net/wireless/ath/ath.h This was done using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall Acked-by: Christian Lamparter Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/carl9170/rx.c b/drivers/net/wireless/ath/carl9170/rx.c index e935f61c7fad..acd7ddceb142 100644 --- a/drivers/net/wireless/ath/carl9170/rx.c +++ b/drivers/net/wireless/ath/carl9170/rx.c @@ -536,7 +536,7 @@ static void carl9170_ps_beacon(struct ar9170 *ar, void *data, unsigned int len) return; /* and only beacons from the associated BSSID, please */ - if (!ether_addr_equal(hdr->addr3, ar->common.curbssid) || + if (!ether_addr_equal_64bits(hdr->addr3, ar->common.curbssid) || !ar->common.curaid) return; @@ -602,8 +602,8 @@ static void carl9170_ba_check(struct ar9170 *ar, void *data, unsigned int len) if (bar->start_seq_num == entry_bar->start_seq_num && TID_CHECK(bar->control, entry_bar->control) && - ether_addr_equal(bar->ra, entry_bar->ta) && - ether_addr_equal(bar->ta, entry_bar->ra)) { + ether_addr_equal_64bits(bar->ra, entry_bar->ta) && + ether_addr_equal_64bits(bar->ta, entry_bar->ra)) { struct ieee80211_tx_info *tx_info; tx_info = IEEE80211_SKB_CB(entry_skb);