215 	unsigned icmplen, icmpelen, nlen, oiphlen;  in icmp_error()  local
238 	oiphlen = oip->ip_hl << 2;  in icmp_error()
239 	if (n->m_len < oiphlen + ICMP_MINLEN)  in icmp_error()
249 		oiphlen))->icmp_type)) {  in icmp_error()
264 		if (oiphlen + sizeof(struct tcphdr) > n->m_len &&  in icmp_error()
267 		if (n->m_len < oiphlen + sizeof(struct tcphdr) &&  in icmp_error()
268 		    (n = m_pullup(n, oiphlen + sizeof(struct tcphdr))) == NULL)  in icmp_error()
271 		th = mtodo(n, oiphlen);  in icmp_error()
275 		if (ntohs(oip->ip_len) < oiphlen + tcphlen)  in icmp_error()
277 		if (oiphlen + tcphlen > n->m_len && n->m_next == NULL)  in icmp_error()
279 		if (n->m_len < oiphlen + tcphlen &&  in icmp_error()
280 		    (n = m_pullup(n, oiphlen + tcphlen)) == NULL)  in icmp_error()
284 		    ntohs(oip->ip_len) - oiphlen));  in icmp_error()
289 		if (ntohs(oip->ip_len) < oiphlen + sizeof(struct sctphdr))  in icmp_error()
291 		if (oiphlen + sizeof(struct sctphdr) > n->m_len &&  in icmp_error()
294 		if (n->m_len < oiphlen + sizeof(struct sctphdr) &&  in icmp_error()
295 		    (n = m_pullup(n, oiphlen + sizeof(struct sctphdr))) == NULL)  in icmp_error()
299 		    min(V_icmp_quotelen, ntohs(oip->ip_len) - oiphlen));  in icmp_error()
300 		sh = mtodo(n, oiphlen);  in icmp_error()
302 		    ntohs(oip->ip_len) >= oiphlen +  in icmp_error()
304 		    (n->m_len >= oiphlen + sizeof(struct sctphdr) + 8 ||  in icmp_error()
306 			if (n->m_len < oiphlen + sizeof(struct sctphdr) + 8 &&  in icmp_error()
307 			    (n = m_pullup(n, oiphlen +  in icmp_error()
311 			sh = mtodo(n, oiphlen);  in icmp_error()
316 				    oiphlen));  in icmp_error()
321 		    oiphlen));  in icmp_error()
323 	icmplen = min(oiphlen + icmpelen, nlen);  in icmp_error()