1548 	unsigned char *opt = *option;  in cipso_v4_validate()  local
1558 	opt_len = opt[1];  in cipso_v4_validate()
1565 	doi_def = cipso_v4_doi_search(get_unaligned_be32(&opt[2]));  in cipso_v4_validate()
1572 	tag = opt + opt_iter;  in cipso_v4_validate()
1685 	*option = opt + err_offset;  in cipso_v4_validate()
1719 	struct ip_options *opt = (struct ip_options *)optbuf;  in cipso_v4_error()  local
1730 	memset(opt, 0, sizeof(struct ip_options));  in cipso_v4_error()
1731 	opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);  in cipso_v4_error()
1733 	res = __ip_options_compile(dev_net(skb->dev), opt, skb, NULL);  in cipso_v4_error()
1740 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0, opt);  in cipso_v4_error()
1742 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0, opt);  in cipso_v4_error()
1860 	struct ip_options_rcu *old, *opt = NULL;  in cipso_v4_sock_setattr()  local
1891 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_sock_setattr()
1892 	if (!opt) {  in cipso_v4_sock_setattr()
1896 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_sock_setattr()
1897 	opt->opt.optlen = opt_len;  in cipso_v4_sock_setattr()
1898 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_sock_setattr()
1908 			sk_conn->icsk_ext_hdr_len -= old->opt.optlen;  in cipso_v4_sock_setattr()
1909 		sk_conn->icsk_ext_hdr_len += opt->opt.optlen;  in cipso_v4_sock_setattr()
1912 	rcu_assign_pointer(sk_inet->inet_opt, opt);  in cipso_v4_sock_setattr()
1920 	kfree(opt);  in cipso_v4_sock_setattr()
1944 	struct ip_options_rcu *opt = NULL;  in cipso_v4_req_setattr()  local
1967 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_req_setattr()
1968 	if (!opt) {  in cipso_v4_req_setattr()
1972 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_req_setattr()
1973 	opt->opt.optlen = opt_len;  in cipso_v4_req_setattr()
1974 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_req_setattr()
1979 	opt = unrcu_pointer(xchg(&req_inet->ireq_opt, RCU_INITIALIZER(opt)));  in cipso_v4_req_setattr()
1980 	if (opt)  in cipso_v4_req_setattr()
1981 		kfree_rcu(opt, rcu);  in cipso_v4_req_setattr()
1987 	kfree(opt);  in cipso_v4_req_setattr()
2003 	struct ip_options_rcu *opt = rcu_dereference_protected(*opt_ptr, 1);  in cipso_v4_delopt()  local
2006 	if (!opt || opt->opt.cipso == 0)  in cipso_v4_delopt()
2008 	if (opt->opt.srr || opt->opt.rr || opt->opt.ts || opt->opt.router_alert) {  in cipso_v4_delopt()
2014 		cipso_off = opt->opt.cipso - sizeof(struct iphdr);  in cipso_v4_delopt()
2015 		cipso_ptr = &opt->opt.__data[cipso_off];  in cipso_v4_delopt()
2018 		if (opt->opt.srr > opt->opt.cipso)  in cipso_v4_delopt()
2019 			opt->opt.srr -= cipso_len;  in cipso_v4_delopt()
2020 		if (opt->opt.rr > opt->opt.cipso)  in cipso_v4_delopt()
2021 			opt->opt.rr -= cipso_len;  in cipso_v4_delopt()
2022 		if (opt->opt.ts > opt->opt.cipso)  in cipso_v4_delopt()
2023 			opt->opt.ts -= cipso_len;  in cipso_v4_delopt()
2024 		if (opt->opt.router_alert > opt->opt.cipso)  in cipso_v4_delopt()
2025 			opt->opt.router_alert -= cipso_len;  in cipso_v4_delopt()
2026 		opt->opt.cipso = 0;  in cipso_v4_delopt()
2029 			opt->opt.optlen - cipso_off - cipso_len);  in cipso_v4_delopt()
2031 		optlen_new = cipso_v4_get_actual_opt_len(opt->opt.__data,  in cipso_v4_delopt()
2032 							 opt->opt.optlen);  in cipso_v4_delopt()
2033 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2034 		opt->opt.optlen = (optlen_new + 3) & ~3;  in cipso_v4_delopt()
2035 		hdr_delta -= opt->opt.optlen;  in cipso_v4_delopt()
2040 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2041 		kfree_rcu(opt, rcu);  in cipso_v4_delopt()
2147 	struct ip_options_rcu *opt;  in cipso_v4_sock_getattr()  local
2151 	opt = rcu_dereference(inet_sk(sk)->inet_opt);  in cipso_v4_sock_getattr()
2152 	if (opt && opt->opt.cipso)  in cipso_v4_sock_getattr()
2153 		res = cipso_v4_getattr(opt->opt.__data +  in cipso_v4_sock_getattr()
2154 						opt->opt.cipso -  in cipso_v4_sock_getattr()
2178 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_setattr()  local
2196 	len_delta = opt_len - opt->optlen;  in cipso_v4_skbuff_setattr()
2205 		/* we assume that the header + opt->optlen have already been  in cipso_v4_skbuff_setattr()
2214 		memset(iph + 1, IPOPT_NOP, opt->optlen);  in cipso_v4_skbuff_setattr()
2218 	if (opt->optlen > 0)  in cipso_v4_skbuff_setattr()
2219 		memset(opt, 0, sizeof(*opt));  in cipso_v4_skbuff_setattr()
2220 	opt->optlen = opt_len;  in cipso_v4_skbuff_setattr()
2221 	opt->cipso = sizeof(struct iphdr);  in cipso_v4_skbuff_setattr()
2222 	opt->is_changed = 1;  in cipso_v4_skbuff_setattr()
2255 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_delattr()  local
2258 	if (opt->cipso == 0)  in cipso_v4_skbuff_delattr()
2267 	cipso_ptr = (unsigned char *)iph + opt->cipso;  in cipso_v4_skbuff_delattr()
2272 						     opt->optlen);  in cipso_v4_skbuff_delattr()
2279 		new_hdr_len_actual - opt->cipso);  in cipso_v4_skbuff_delattr()
2290 	opt->optlen -= hdr_len_delta;  in cipso_v4_skbuff_delattr()
2291 	opt->cipso = 0;  in cipso_v4_skbuff_delattr()
2292 	opt->is_changed = 1;  in cipso_v4_skbuff_delattr()