1552 	unsigned char *opt = *option;  in cipso_v4_validate()  local
1562 	opt_len = opt[1];  in cipso_v4_validate()
1569 	doi_def = cipso_v4_doi_search(get_unaligned_be32(&opt[2]));  in cipso_v4_validate()
1576 	tag = opt + opt_iter;  in cipso_v4_validate()
1689 	*option = opt + err_offset;  in cipso_v4_validate()
1723 	struct ip_options *opt = (struct ip_options *)optbuf;  in cipso_v4_error()  local
1734 	memset(opt, 0, sizeof(struct ip_options));  in cipso_v4_error()
1735 	opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);  in cipso_v4_error()
1737 	res = __ip_options_compile(dev_net(skb->dev), opt, skb, NULL);  in cipso_v4_error()
1744 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0, opt);  in cipso_v4_error()
1746 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0, opt);  in cipso_v4_error()
1839 	struct ip_options_rcu *old, *opt = NULL;  in cipso_v4_sock_setattr()  local
1870 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_sock_setattr()
1871 	if (!opt) {  in cipso_v4_sock_setattr()
1875 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_sock_setattr()
1876 	opt->opt.optlen = opt_len;  in cipso_v4_sock_setattr()
1877 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_sock_setattr()
1888 			sk_conn->icsk_ext_hdr_len -= old->opt.optlen;  in cipso_v4_sock_setattr()
1889 		sk_conn->icsk_ext_hdr_len += opt->opt.optlen;  in cipso_v4_sock_setattr()
1892 	rcu_assign_pointer(sk_inet->inet_opt, opt);  in cipso_v4_sock_setattr()
1900 	kfree(opt);  in cipso_v4_sock_setattr()
1924 	struct ip_options_rcu *opt = NULL;  in cipso_v4_req_setattr()  local
1947 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_req_setattr()
1948 	if (!opt) {  in cipso_v4_req_setattr()
1952 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_req_setattr()
1953 	opt->opt.optlen = opt_len;  in cipso_v4_req_setattr()
1954 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_req_setattr()
1959 	opt = xchg((__force struct ip_options_rcu **)&req_inet->ireq_opt, opt);  in cipso_v4_req_setattr()
1960 	if (opt)  in cipso_v4_req_setattr()
1961 		kfree_rcu(opt, rcu);  in cipso_v4_req_setattr()
1967 	kfree(opt);  in cipso_v4_req_setattr()
1983 	struct ip_options_rcu *opt = rcu_dereference_protected(*opt_ptr, 1);  in cipso_v4_delopt()  local
1986 	if (!opt || opt->opt.cipso == 0)  in cipso_v4_delopt()
1988 	if (opt->opt.srr || opt->opt.rr || opt->opt.ts || opt->opt.router_alert) {  in cipso_v4_delopt()
1995 		cipso_off = opt->opt.cipso - sizeof(struct iphdr);  in cipso_v4_delopt()
1996 		cipso_ptr = &opt->opt.__data[cipso_off];  in cipso_v4_delopt()
1999 		if (opt->opt.srr > opt->opt.cipso)  in cipso_v4_delopt()
2000 			opt->opt.srr -= cipso_len;  in cipso_v4_delopt()
2001 		if (opt->opt.rr > opt->opt.cipso)  in cipso_v4_delopt()
2002 			opt->opt.rr -= cipso_len;  in cipso_v4_delopt()
2003 		if (opt->opt.ts > opt->opt.cipso)  in cipso_v4_delopt()
2004 			opt->opt.ts -= cipso_len;  in cipso_v4_delopt()
2005 		if (opt->opt.router_alert > opt->opt.cipso)  in cipso_v4_delopt()
2006 			opt->opt.router_alert -= cipso_len;  in cipso_v4_delopt()
2007 		opt->opt.cipso = 0;  in cipso_v4_delopt()
2010 			opt->opt.optlen - cipso_off - cipso_len);  in cipso_v4_delopt()
2019 		while (iter < opt->opt.optlen)  in cipso_v4_delopt()
2020 			if (opt->opt.__data[iter] != IPOPT_NOP) {  in cipso_v4_delopt()
2021 				iter += opt->opt.__data[iter + 1];  in cipso_v4_delopt()
2025 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2026 		opt->opt.optlen = (optlen_new + 3) & ~3;  in cipso_v4_delopt()
2027 		hdr_delta -= opt->opt.optlen;  in cipso_v4_delopt()
2032 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2033 		kfree_rcu(opt, rcu);  in cipso_v4_delopt()
2139 	struct ip_options_rcu *opt;  in cipso_v4_sock_getattr()  local
2143 	opt = rcu_dereference(inet_sk(sk)->inet_opt);  in cipso_v4_sock_getattr()
2144 	if (opt && opt->opt.cipso)  in cipso_v4_sock_getattr()
2145 		res = cipso_v4_getattr(opt->opt.__data +  in cipso_v4_sock_getattr()
2146 						opt->opt.cipso -  in cipso_v4_sock_getattr()
2170 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_setattr()  local
2188 	len_delta = opt_len - opt->optlen;  in cipso_v4_skbuff_setattr()
2206 		memset(iph + 1, IPOPT_NOP, opt->optlen);  in cipso_v4_skbuff_setattr()
2210 	if (opt->optlen > 0)  in cipso_v4_skbuff_setattr()
2211 		memset(opt, 0, sizeof(*opt));  in cipso_v4_skbuff_setattr()
2212 	opt->optlen = opt_len;  in cipso_v4_skbuff_setattr()
2213 	opt->cipso = sizeof(struct iphdr);  in cipso_v4_skbuff_setattr()
2214 	opt->is_changed = 1;  in cipso_v4_skbuff_setattr()
2246 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_delattr()  local
2249 	if (opt->cipso == 0)  in cipso_v4_skbuff_delattr()
2262 	cipso_ptr = (unsigned char *)iph + opt->cipso;  in cipso_v4_skbuff_delattr()
2264 	opt->cipso = 0;  in cipso_v4_skbuff_delattr()
2265 	opt->is_changed = 1;  in cipso_v4_skbuff_delattr()