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    Subject[PATCH 3.16 105/328] mac802154: tx: cleanup crc calculation
    3.16.62-rc1 review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Alexander Aring <alex.aring@gmail.com>

    commit b7eec52bcb7ab93a8cce0f718f42fa17d6d91745 upstream.

    Signed-off-by: Alexander Aring <alex.aring@gmail.com>
    Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
    [bwh: Backported to 3.16: adjust context]
    Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
    ---
    --- a/net/mac802154/tx.c
    +++ b/net/mac802154/tx.c
    @@ -95,10 +95,9 @@ netdev_tx_t mac802154_tx(struct mac80215
    mac802154_monitors_rx(mac802154_to_priv(&priv->hw), skb);

    if (!(priv->hw.flags & IEEE802154_HW_OMIT_CKSUM)) {
    - u16 crc = crc_ccitt(0, skb->data, skb->len);
    - u8 *data = skb_put(skb, 2);
    - data[0] = crc & 0xff;
    - data[1] = crc >> 8;
    + __le16 crc = cpu_to_le16(crc_ccitt(0, skb->data, skb->len));
    +
    + memcpy(skb_put(skb, 2), &crc, 2);
    }

    if (skb_cow_head(skb, priv->hw.extra_tx_headroom))
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