1551 	unsigned char *opt = *option;  in cipso_v4_validate()  local
1561 	opt_len = opt[1];  in cipso_v4_validate()
1568 	doi_def = cipso_v4_doi_search(get_unaligned_be32(&opt[2]));  in cipso_v4_validate()
1575 	tag = opt + opt_iter;  in cipso_v4_validate()
1688 	*option = opt + err_offset;  in cipso_v4_validate()
1722 	struct ip_options *opt = (struct ip_options *)optbuf;  in cipso_v4_error()  local
1733 	memset(opt, 0, sizeof(struct ip_options));  in cipso_v4_error()
1734 	opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);  in cipso_v4_error()
1736 	res = __ip_options_compile(dev_net(skb->dev), opt, skb, NULL);  in cipso_v4_error()
1743 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0, opt);  in cipso_v4_error()
1745 		__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0, opt);  in cipso_v4_error()
1838 	struct ip_options_rcu *old, *opt = NULL;  in cipso_v4_sock_setattr()  local
1869 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_sock_setattr()
1870 	if (!opt) {  in cipso_v4_sock_setattr()
1874 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_sock_setattr()
1875 	opt->opt.optlen = opt_len;  in cipso_v4_sock_setattr()
1876 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_sock_setattr()
1887 			sk_conn->icsk_ext_hdr_len -= old->opt.optlen;  in cipso_v4_sock_setattr()
1888 		sk_conn->icsk_ext_hdr_len += opt->opt.optlen;  in cipso_v4_sock_setattr()
1891 	rcu_assign_pointer(sk_inet->inet_opt, opt);  in cipso_v4_sock_setattr()
1899 	kfree(opt);  in cipso_v4_sock_setattr()
1923 	struct ip_options_rcu *opt = NULL;  in cipso_v4_req_setattr()  local
1946 	opt = kzalloc(sizeof(*opt) + opt_len, GFP_ATOMIC);  in cipso_v4_req_setattr()
1947 	if (!opt) {  in cipso_v4_req_setattr()
1951 	memcpy(opt->opt.__data, buf, buf_len);  in cipso_v4_req_setattr()
1952 	opt->opt.optlen = opt_len;  in cipso_v4_req_setattr()
1953 	opt->opt.cipso = sizeof(struct iphdr);  in cipso_v4_req_setattr()
1958 	opt = xchg((__force struct ip_options_rcu **)&req_inet->ireq_opt, opt);  in cipso_v4_req_setattr()
1959 	if (opt)  in cipso_v4_req_setattr()
1960 		kfree_rcu(opt, rcu);  in cipso_v4_req_setattr()
1966 	kfree(opt);  in cipso_v4_req_setattr()
1982 	struct ip_options_rcu *opt = rcu_dereference_protected(*opt_ptr, 1);  in cipso_v4_delopt()  local
1985 	if (!opt || opt->opt.cipso == 0)  in cipso_v4_delopt()
1987 	if (opt->opt.srr || opt->opt.rr || opt->opt.ts || opt->opt.router_alert) {  in cipso_v4_delopt()
1994 		cipso_off = opt->opt.cipso - sizeof(struct iphdr);  in cipso_v4_delopt()
1995 		cipso_ptr = &opt->opt.__data[cipso_off];  in cipso_v4_delopt()
1998 		if (opt->opt.srr > opt->opt.cipso)  in cipso_v4_delopt()
1999 			opt->opt.srr -= cipso_len;  in cipso_v4_delopt()
2000 		if (opt->opt.rr > opt->opt.cipso)  in cipso_v4_delopt()
2001 			opt->opt.rr -= cipso_len;  in cipso_v4_delopt()
2002 		if (opt->opt.ts > opt->opt.cipso)  in cipso_v4_delopt()
2003 			opt->opt.ts -= cipso_len;  in cipso_v4_delopt()
2004 		if (opt->opt.router_alert > opt->opt.cipso)  in cipso_v4_delopt()
2005 			opt->opt.router_alert -= cipso_len;  in cipso_v4_delopt()
2006 		opt->opt.cipso = 0;  in cipso_v4_delopt()
2009 			opt->opt.optlen - cipso_off - cipso_len);  in cipso_v4_delopt()
2018 		while (iter < opt->opt.optlen)  in cipso_v4_delopt()
2019 			if (opt->opt.__data[iter] != IPOPT_NOP) {  in cipso_v4_delopt()
2020 				iter += opt->opt.__data[iter + 1];  in cipso_v4_delopt()
2024 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2025 		opt->opt.optlen = (optlen_new + 3) & ~3;  in cipso_v4_delopt()
2026 		hdr_delta -= opt->opt.optlen;  in cipso_v4_delopt()
2031 		hdr_delta = opt->opt.optlen;  in cipso_v4_delopt()
2032 		kfree_rcu(opt, rcu);  in cipso_v4_delopt()
2138 	struct ip_options_rcu *opt;  in cipso_v4_sock_getattr()  local
2142 	opt = rcu_dereference(inet_sk(sk)->inet_opt);  in cipso_v4_sock_getattr()
2143 	if (opt && opt->opt.cipso)  in cipso_v4_sock_getattr()
2144 		res = cipso_v4_getattr(opt->opt.__data +  in cipso_v4_sock_getattr()
2145 						opt->opt.cipso -  in cipso_v4_sock_getattr()
2169 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_setattr()  local
2187 	len_delta = opt_len - opt->optlen;  in cipso_v4_skbuff_setattr()
2205 		memset(iph + 1, IPOPT_NOP, opt->optlen);  in cipso_v4_skbuff_setattr()
2209 	if (opt->optlen > 0)  in cipso_v4_skbuff_setattr()
2210 		memset(opt, 0, sizeof(*opt));  in cipso_v4_skbuff_setattr()
2211 	opt->optlen = opt_len;  in cipso_v4_skbuff_setattr()
2212 	opt->cipso = sizeof(struct iphdr);  in cipso_v4_skbuff_setattr()
2213 	opt->is_changed = 1;  in cipso_v4_skbuff_setattr()
2245 	struct ip_options *opt = &IPCB(skb)->opt;  in cipso_v4_skbuff_delattr()  local
2248 	if (opt->cipso == 0)  in cipso_v4_skbuff_delattr()
2261 	cipso_ptr = (unsigned char *)iph + opt->cipso;  in cipso_v4_skbuff_delattr()
2263 	opt->cipso = 0;  in cipso_v4_skbuff_delattr()
2264 	opt->is_changed = 1;  in cipso_v4_skbuff_delattr()