Messages in this thread Patch in this message | | | Date | Thu, 26 Dec 2013 19:40:43 +0800 | From | Ding Tianhong <> | Subject | [PATCH v3.5 07/19] zd1211rw: slight optimization of addr compare |
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Use possibly more efficient ether_addr_equal instead of memcmp.
Cc: Daniel Drake <dsd@gentoo.org> Cc: Ulrich Kunitz <kune@deine-taler.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> --- drivers/net/wireless/zd1211rw/zd_mac.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index eff79a3..e7af261 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -532,9 +532,8 @@ void zd_mac_tx_failed(struct urb *urb) tx_hdr = (struct ieee80211_hdr *)skb->data; /* we skip all frames not matching the reported destination */ - if (unlikely(memcmp(tx_hdr->addr1, tx_status->mac, ETH_ALEN))) { + if (unlikely(!ether_addr_equal(tx_hdr->addr1, tx_status->mac))) continue; - } /* we skip all frames not matching the reported final rate */ @@ -997,7 +996,7 @@ static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr, continue; tx_hdr = (struct ieee80211_hdr *)skb->data; - if (likely(!memcmp(tx_hdr->addr2, rx_hdr->addr1, ETH_ALEN))) + if (likely(ether_addr_equal(tx_hdr->addr2, rx_hdr->addr1))) { found = 1; break; -- 1.8.0
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