217 	unsigned icmplen, icmpelen, nlen, oiphlen;  in icmp_error()  local
240 	oiphlen = oip->ip_hl << 2;  in icmp_error()
241 	if (n->m_len < oiphlen + ICMP_MINLEN)  in icmp_error()
251 		oiphlen))->icmp_type)) {  in icmp_error()
266 		if (oiphlen + sizeof(struct tcphdr) > n->m_len &&  in icmp_error()
269 		if (n->m_len < oiphlen + sizeof(struct tcphdr) &&  in icmp_error()
270 		    (n = m_pullup(n, oiphlen + sizeof(struct tcphdr))) == NULL)  in icmp_error()
273 		th = mtodo(n, oiphlen);  in icmp_error()
277 		if (ntohs(oip->ip_len) < oiphlen + tcphlen)  in icmp_error()
279 		if (oiphlen + tcphlen > n->m_len && n->m_next == NULL)  in icmp_error()
281 		if (n->m_len < oiphlen + tcphlen &&  in icmp_error()
282 		    (n = m_pullup(n, oiphlen + tcphlen)) == NULL)  in icmp_error()
286 		    ntohs(oip->ip_len) - oiphlen));  in icmp_error()
291 		if (ntohs(oip->ip_len) < oiphlen + sizeof(struct sctphdr))  in icmp_error()
293 		if (oiphlen + sizeof(struct sctphdr) > n->m_len &&  in icmp_error()
296 		if (n->m_len < oiphlen + sizeof(struct sctphdr) &&  in icmp_error()
297 		    (n = m_pullup(n, oiphlen + sizeof(struct sctphdr))) == NULL)  in icmp_error()
301 		    min(V_icmp_quotelen, ntohs(oip->ip_len) - oiphlen));  in icmp_error()
302 		sh = mtodo(n, oiphlen);  in icmp_error()
304 		    ntohs(oip->ip_len) >= oiphlen +  in icmp_error()
306 		    (n->m_len >= oiphlen + sizeof(struct sctphdr) + 8 ||  in icmp_error()
308 			if (n->m_len < oiphlen + sizeof(struct sctphdr) + 8 &&  in icmp_error()
309 			    (n = m_pullup(n, oiphlen +  in icmp_error()
313 			sh = mtodo(n, oiphlen);  in icmp_error()
318 				    oiphlen));  in icmp_error()
323 		    oiphlen));  in icmp_error()
325 	icmplen = min(oiphlen + icmpelen, nlen);  in icmp_error()