tipc_msg_extract 1232 net/tipc/link.c while (tipc_msg_extract(skb, &iskb, &pos)) tipc_msg_extract 1282 net/tipc/link.c if (unlikely(!tipc_msg_extract(skb, &iskb, &ipos))) { tipc_msg_extract 1063 net/tipc/msg.h bool tipc_msg_extract(struct sk_buff *skb, struct sk_buff **iskb, int *pos);