1558 	unsigned char *opt = *option;  in cipso_v4_validate()  local
1568 	opt_len = opt[1];  in cipso_v4_validate()
1575 	doi_def = cipso_v4_doi_search(get_unaligned_be32(&opt[2]));  in cipso_v4_validate()
1582 	tag = opt + opt_iter;  in cipso_v4_validate()
1695 	*option = opt + err_offset;  in cipso_v4_validate()
1729 	struct ip_options *opt = (struct ip_options *)optbuf;  in cipso_v4_error()  local
1740 	memset(opt, 0, sizeof(struct ip_options));  in cipso_v4_error()
1741 	opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);  in cipso_v4_error()
1743 	res = __ip_options_compile(dev_net(skb->dev), opt, skb, NULL);  in cipso_v4_error()
1750 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0, opt);  in cipso_v4_error()
1752 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0, opt);  in cipso_v4_error()
1845 	struct ip_options_rcu *old, *opt = NULL;  in cipso_v4_sock_setattr()  local
1876 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_sock_setattr()
1877 	if (!opt) {  in cipso_v4_sock_setattr()
1881 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_sock_setattr()
1882 	opt->opt.optlen = opt_len;  in cipso_v4_sock_setattr()
1883 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_sock_setattr()
1894 			sk_conn->icsk_ext_hdr_len -= old->opt.optlen;  in cipso_v4_sock_setattr()
1895 		sk_conn->icsk_ext_hdr_len += opt->opt.optlen;  in cipso_v4_sock_setattr()
1898 	rcu_assign_pointer(sk_inet->inet_opt, opt);  in cipso_v4_sock_setattr()
1906 	kfree(opt);  in cipso_v4_sock_setattr()
1930 	struct ip_options_rcu *opt = NULL;  in cipso_v4_req_setattr()  local
1953 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_req_setattr()
1954 	if (!opt) {  in cipso_v4_req_setattr()
1958 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_req_setattr()
1959 	opt->opt.optlen = opt_len;  in cipso_v4_req_setattr()
1960 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_req_setattr()
1965 	opt = xchg((__force struct ip_options_rcu **)&req_inet->ireq_opt, opt);  in cipso_v4_req_setattr()
1966 	if (opt)  in cipso_v4_req_setattr()
1967 		kfree_rcu(opt, rcu);  in cipso_v4_req_setattr()
1973 	kfree(opt);  in cipso_v4_req_setattr()
1989 	struct ip_options_rcu *opt = rcu_dereference_protected(*opt_ptr, 1);  in cipso_v4_delopt()  local
1992 	if (!opt || opt->opt.cipso == 0)  in cipso_v4_delopt()
1994 	if (opt->opt.srr || opt->opt.rr || opt->opt.ts || opt->opt.router_alert) {  in cipso_v4_delopt()
2001 		cipso_off = opt->opt.cipso - sizeof(struct iphdr);  in cipso_v4_delopt()
2002 		cipso_ptr = &opt->opt.__data[cipso_off];  in cipso_v4_delopt()
2005 		if (opt->opt.srr > opt->opt.cipso)  in cipso_v4_delopt()
2006 			opt->opt.srr -= cipso_len;  in cipso_v4_delopt()
2007 		if (opt->opt.rr > opt->opt.cipso)  in cipso_v4_delopt()
2008 			opt->opt.rr -= cipso_len;  in cipso_v4_delopt()
2009 		if (opt->opt.ts > opt->opt.cipso)  in cipso_v4_delopt()
2010 			opt->opt.ts -= cipso_len;  in cipso_v4_delopt()
2011 		if (opt->opt.router_alert > opt->opt.cipso)  in cipso_v4_delopt()
2012 			opt->opt.router_alert -= cipso_len;  in cipso_v4_delopt()
2013 		opt->opt.cipso = 0;  in cipso_v4_delopt()
2016 			opt->opt.optlen - cipso_off - cipso_len);  in cipso_v4_delopt()
2025 		while (iter < opt->opt.optlen)  in cipso_v4_delopt()
2026 			if (opt->opt.__data[iter] != IPOPT_NOP) {  in cipso_v4_delopt()
2027 				iter += opt->opt.__data[iter + 1];  in cipso_v4_delopt()
2031 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2032 		opt->opt.optlen = (optlen_new + 3) & ~3;  in cipso_v4_delopt()
2033 		hdr_delta -= opt->opt.optlen;  in cipso_v4_delopt()
2038 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2039 		kfree_rcu(opt, rcu);  in cipso_v4_delopt()
2145 	struct ip_options_rcu *opt;  in cipso_v4_sock_getattr()  local
2149 	opt = rcu_dereference(inet_sk(sk)->inet_opt);  in cipso_v4_sock_getattr()
2150 	if (opt && opt->opt.cipso)  in cipso_v4_sock_getattr()
2151 		res = cipso_v4_getattr(opt->opt.__data +  in cipso_v4_sock_getattr()
2152 						opt->opt.cipso -  in cipso_v4_sock_getattr()
2176 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_setattr()  local
2194 	len_delta = opt_len - opt->optlen;  in cipso_v4_skbuff_setattr()
2212 		memset(iph + 1, IPOPT_NOP, opt->optlen);  in cipso_v4_skbuff_setattr()
2216 	if (opt->optlen > 0)  in cipso_v4_skbuff_setattr()
2217 		memset(opt, 0, sizeof(*opt));  in cipso_v4_skbuff_setattr()
2218 	opt->optlen = opt_len;  in cipso_v4_skbuff_setattr()
2219 	opt->cipso = sizeof(struct iphdr);  in cipso_v4_skbuff_setattr()
2220 	opt->is_changed = 1;  in cipso_v4_skbuff_setattr()
2252 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_delattr()  local
2255 	if (opt->cipso == 0)  in cipso_v4_skbuff_delattr()
2268 	cipso_ptr = (unsigned char *)iph + opt->cipso;  in cipso_v4_skbuff_delattr()
2270 	opt->cipso = 0;  in cipso_v4_skbuff_delattr()
2271 	opt->is_changed = 1;  in cipso_v4_skbuff_delattr()