caif_usb: Use ether_addr_copy

Use ether_addr_copy instead of memcpy(a, b, ETH_ALEN) to
save some cycles on arm and powerpc.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
index 75ed04b78fa4090f69329cccd0cebd04bc516290..dda589c3d9d28c9e6d5f4f9114dc764e840934c5 100644 (file)
--- 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",