From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Perches Subject: [PATCH 4/7] caif_usb: Use ether_addr_copy Date: Mon, 20 Jan 2014 09:52:17 -0800 Message-ID: <73ad3aea35df9926aa882b2b863d54c2c01e401d.1390239869.git.joe@perches.com> References: Cc: Dmitry Tarnyagin , "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: David Miller Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Use ether_addr_copy instead of memcpy(a, b, ETH_ALEN) to save some cycles on arm and powerpc. Signed-off-by: Joe Perches --- net/caif/caif_usb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c index 75ed04b..dda589c 100644 --- a/net/caif/caif_usb.c +++ b/net/caif/caif_usb.c @@ -105,8 +105,8 @@ static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN], * 5-11 source address * 12-13 protocol type */ - memcpy(&this->tx_eth_hdr[ETH_ALEN], braddr, ETH_ALEN); - memcpy(&this->tx_eth_hdr[ETH_ALEN], ethaddr, ETH_ALEN); + ether_addr_copy(&this->tx_eth_hdr[ETH_ALEN], braddr); + ether_addr_copy(&this->tx_eth_hdr[ETH_ALEN], ethaddr); this->tx_eth_hdr[12] = cpu_to_be16(ETH_P_802_EX1) & 0xff; this->tx_eth_hdr[13] = (cpu_to_be16(ETH_P_802_EX1) >> 8) & 0xff; pr_debug("caif ethernet TX-header dst:%pM src:%pM type:%02x%02x\n", -- 1.8.1.2.459.gbcd45b4.dirty