934 	struct mbuf *mcopy;  in ip_forward()  local
996 	mcopy = m_gethdr(M_NOWAIT, m->m_type);  in ip_forward()
997 	if (mcopy != NULL && !m_dup_pkthdr(mcopy, m, M_NOWAIT)) {  in ip_forward()
1004 		m_free(mcopy);  in ip_forward()
1005 		mcopy = NULL;  in ip_forward()
1007 	if (mcopy != NULL) {  in ip_forward()
1008 		mcopy->m_len = min(ntohs(ip->ip_len), M_TRAILINGSPACE(mcopy));  in ip_forward()
1009 		mcopy->m_pkthdr.len = mcopy->m_len;  in ip_forward()
1010 		m_copydata(m, 0, mcopy->m_len, mtod(mcopy, caddr_t));  in ip_forward()
1021 			m_freem(mcopy);  in ip_forward()
1077 			if (mcopy)  in ip_forward()
1078 				m_freem(mcopy);  in ip_forward()
1082 	if (mcopy == NULL)  in ip_forward()
1123 		m_freem(mcopy);  in ip_forward()
1126 	icmp_error(mcopy, type, code, dest.s_addr, mtu);  in ip_forward()