78 	if (IPCB(skb)->opt.optlen == 0)  in ip_cmsg_recv_opts()
81 	put_cmsg(msg, SOL_IP, IP_RECVOPTS, IPCB(skb)->opt.optlen,  in ip_cmsg_recv_opts()
92 	if (IPCB(skb)->opt.optlen == 0)  in ip_cmsg_recv_retopts()
101 	put_cmsg(msg, SOL_IP, IP_RETOPTS, opt->optlen, opt->__data);  in ip_cmsg_recv_retopts()
591 			    int optname, char __user *optval, unsigned int optlen)  in do_ip_setsockopt()  argument
623 		if (optlen >= sizeof(int)) {  in do_ip_setsockopt()
626 		} else if (optlen >= sizeof(char)) {  in do_ip_setsockopt()
640 		return ip_mroute_setsockopt(sk, optname, optval, optlen);  in do_ip_setsockopt()
652 		if (optlen > 40)  in do_ip_setsockopt()
655 					       optval, optlen);  in do_ip_setsockopt()
669 					icsk->icsk_ext_hdr_len -= old->opt.optlen;  in do_ip_setsockopt()
671 					icsk->icsk_ext_hdr_len += opt->opt.optlen;  in do_ip_setsockopt()
757 		if (optlen < 1)  in do_ip_setsockopt()
793 		if (optlen < 1)  in do_ip_setsockopt()
802 		if (optlen < 1)  in do_ip_setsockopt()
812 		if (optlen != sizeof(int))  in do_ip_setsockopt()
851 		if (optlen < sizeof(struct in_addr))  in do_ip_setsockopt()
855 		if (optlen >= sizeof(struct ip_mreqn)) {  in do_ip_setsockopt()
860 			if (optlen >= sizeof(struct ip_mreq)) {  in do_ip_setsockopt()
864 			} else if (optlen >= sizeof(struct in_addr)) {  in do_ip_setsockopt()
914 		if (optlen < sizeof(struct ip_mreq))  in do_ip_setsockopt()
917 		if (optlen >= sizeof(struct ip_mreqn)) {  in do_ip_setsockopt()
936 		if (optlen < IP_MSFILTER_SIZE(0))  in do_ip_setsockopt()
938 		if (optlen > sysctl_optmem_max) {  in do_ip_setsockopt()
942 		msf = memdup_user(optval, optlen);  in do_ip_setsockopt()
954 		if (IP_MSFILTER_SIZE(msf->imsf_numsrc) > optlen) {  in do_ip_setsockopt()
971 		if (optlen != sizeof(struct ip_mreq_source))  in do_ip_setsockopt()
1008 		if (optlen < sizeof(struct group_req))  in do_ip_setsockopt()
1036 		if (optlen != sizeof(struct group_source_req))  in do_ip_setsockopt()
1087 		if (optlen < GROUP_FILTER_SIZE(0))  in do_ip_setsockopt()
1089 		if (optlen > sysctl_optmem_max) {  in do_ip_setsockopt()
1093 		gsf = memdup_user(optval, optlen);  in do_ip_setsockopt()
1105 		if (GROUP_FILTER_SIZE(gsf->gf_numsrc) > optlen) {  in do_ip_setsockopt()
1143 		if (optlen < 1)  in do_ip_setsockopt()
1151 		if (optlen < 1)  in do_ip_setsockopt()
1161 		err = xfrm_user_policy(sk, optname, optval, optlen);  in do_ip_setsockopt()
1170 		if (optlen < 1)  in do_ip_setsockopt()
1176 		if (optlen < 1)  in do_ip_setsockopt()
1241 		int optname, char __user *optval, unsigned int optlen)  in ip_setsockopt()  argument
1248 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);  in ip_setsockopt()
1252 		err = bpfilter_ip_set_sockopt(sk, optname, optval, optlen);  in ip_setsockopt()
1260 		err = nf_setsockopt(sk, PF_INET, optname, optval, optlen);  in ip_setsockopt()
1268 			 char __user *optval, unsigned int optlen)  in compat_ip_setsockopt()  argument
1276 		return compat_mc_setsockopt(sk, level, optname, optval, optlen,  in compat_ip_setsockopt()
1279 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);  in compat_ip_setsockopt()
1287 					   optlen);  in compat_ip_setsockopt()
1310 			    char __user *optval, int __user *optlen, unsigned int flags)  in do_ip_getsockopt()  argument
1321 		return ip_mroute_getsockopt(sk, optname, optval, optlen);  in do_ip_getsockopt()
1323 	if (get_user(len, optlen))  in do_ip_getsockopt()
1341 		opt->optlen = 0;  in do_ip_getsockopt()
1345 			       inet_opt->opt.optlen);  in do_ip_getsockopt()
1348 		if (opt->optlen == 0)  in do_ip_getsockopt()
1349 			return put_user(0, optlen);  in do_ip_getsockopt()
1353 		len = min_t(unsigned int, len, opt->optlen);  in do_ip_getsockopt()
1354 		if (put_user(len, optlen))  in do_ip_getsockopt()
1444 		if (put_user(len, optlen))  in do_ip_getsockopt()
1463 				   (struct ip_msfilter __user *)optval, optlen);  in do_ip_getsockopt()
1480 				   optlen);  in do_ip_getsockopt()
1516 		return put_user(len, optlen);  in do_ip_getsockopt()
1536 		if (put_user(len, optlen))  in do_ip_getsockopt()
1542 		if (put_user(len, optlen))  in do_ip_getsockopt()
1557 		  int optname, char __user *optval, int __user *optlen)  in ip_getsockopt()  argument
1561 	err = do_ip_getsockopt(sk, level, optname, optval, optlen, 0);  in ip_getsockopt()
1565 		err = bpfilter_ip_get_sockopt(sk, optname, optval, optlen);  in ip_getsockopt()
1573 		if (get_user(len, optlen))  in ip_getsockopt()
1578 			err = put_user(len, optlen);  in ip_getsockopt()
1588 			 char __user *optval, int __user *optlen)  in compat_ip_getsockopt()  argument
1593 		return compat_mc_getsockopt(sk, level, optname, optval, optlen,  in compat_ip_getsockopt()
1596 	err = do_ip_getsockopt(sk, level, optname, optval, optlen,  in compat_ip_getsockopt()
1602 		err = bpfilter_ip_get_sockopt(sk, optname, optval, optlen);  in compat_ip_getsockopt()
1610 		if (get_user(len, optlen))  in compat_ip_getsockopt()
1615 			err = put_user(len, optlen);  in compat_ip_getsockopt()