skb_header_cloned 1418 include/linux/skbuff.h return !skb_header_cloned(skb) && skb_header_cloned 1467 include/linux/skbuff.h return __skb_cow(skb, headroom, skb_header_cloned(skb)); skb_header_cloned 1537 net/core/dev.c if (skb_header_cloned(skb) && skb_header_cloned 1242 net/mac80211/tx.c if (skb_header_cloned(skb))