th_len           5795 net/core/filter.c 	   struct tcphdr *, th, u32, th_len)
th_len           5801 net/core/filter.c 	if (unlikely(th_len < sizeof(*th)))
th_len           5862 net/core/filter.c 	   struct tcphdr *, th, u32, th_len)
th_len           5868 net/core/filter.c 	if (unlikely(th_len < sizeof(*th) || th_len != th->doff * 4))