NFC_HEADER_SIZE
dev->tx_headroom + dev->tx_tailroom + NFC_HEADER_SIZE;
skb_reserve(skb, dev->tx_headroom + NFC_HEADER_SIZE);
size += dev->tx_headroom + dev->tx_tailroom + NFC_HEADER_SIZE;
skb_reserve(skb, dev->tx_headroom + NFC_HEADER_SIZE);
size += dev->tx_headroom + dev->tx_tailroom + NFC_HEADER_SIZE;
skb_reserve(skb, dev->tx_headroom + NFC_HEADER_SIZE);
size += dev->tx_headroom + dev->tx_tailroom + NFC_HEADER_SIZE;
skb_reserve(skb, dev->tx_headroom + NFC_HEADER_SIZE);
*(u8 *)skb_push(skb, NFC_HEADER_SIZE) = 0;