l2tp_v3_ensure_opt_in_linear  889 net/l2tp/l2tp_core.c 	    l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))
l2tp_v3_ensure_opt_in_linear  163 net/l2tp/l2tp_ip.c 	if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))
l2tp_v3_ensure_opt_in_linear  175 net/l2tp/l2tp_ip6.c 	if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))