75 	if (IPCB(skb)->opt.optlen == 0)  in ip_cmsg_recv_opts()
78 	put_cmsg(msg, SOL_IP, IP_RECVOPTS, IPCB(skb)->opt.optlen,  in ip_cmsg_recv_opts()
88 	if (IPCB(skb)->opt.optlen == 0)  in ip_cmsg_recv_retopts()
97 	put_cmsg(msg, SOL_IP, IP_RETOPTS, opt->optlen, opt->__data);  in ip_cmsg_recv_retopts()
573 			    int optname, char __user *optval, unsigned int optlen)  in do_ip_setsockopt()  argument
602 		if (optlen >= sizeof(int)) {  in do_ip_setsockopt()
605 		} else if (optlen >= sizeof(char)) {  in do_ip_setsockopt()
617 		return ip_mroute_setsockopt(sk, optname, optval, optlen);  in do_ip_setsockopt()
629 		if (optlen > 40)  in do_ip_setsockopt()
632 					       optval, optlen);  in do_ip_setsockopt()
646 					icsk->icsk_ext_hdr_len -= old->opt.optlen;  in do_ip_setsockopt()
648 					icsk->icsk_ext_hdr_len += opt->opt.optlen;  in do_ip_setsockopt()
726 		if (optlen < 1)  in do_ip_setsockopt()
759 		if (optlen < 1)  in do_ip_setsockopt()
768 		if (optlen < 1)  in do_ip_setsockopt()
777 		if (optlen != sizeof(int))  in do_ip_setsockopt()
812 		if (optlen < sizeof(struct in_addr))  in do_ip_setsockopt()
816 		if (optlen >= sizeof(struct ip_mreqn)) {  in do_ip_setsockopt()
821 			if (optlen >= sizeof(struct ip_mreq)) {  in do_ip_setsockopt()
825 			} else if (optlen >= sizeof(struct in_addr)) {  in do_ip_setsockopt()
871 		if (optlen < sizeof(struct ip_mreq))  in do_ip_setsockopt()
874 		if (optlen >= sizeof(struct ip_mreqn)) {  in do_ip_setsockopt()
893 		if (optlen < IP_MSFILTER_SIZE(0))  in do_ip_setsockopt()
895 		if (optlen > sysctl_optmem_max) {  in do_ip_setsockopt()
899 		msf = kmalloc(optlen, GFP_KERNEL);  in do_ip_setsockopt()
905 		if (copy_from_user(msf, optval, optlen)) {  in do_ip_setsockopt()
916 		if (IP_MSFILTER_SIZE(msf->imsf_numsrc) > optlen) {  in do_ip_setsockopt()
933 		if (optlen != sizeof(struct ip_mreq_source))  in do_ip_setsockopt()
970 		if (optlen < sizeof(struct group_req))  in do_ip_setsockopt()
998 		if (optlen != sizeof(struct group_source_req))  in do_ip_setsockopt()
1049 		if (optlen < GROUP_FILTER_SIZE(0))  in do_ip_setsockopt()
1051 		if (optlen > sysctl_optmem_max) {  in do_ip_setsockopt()
1055 		gsf = kmalloc(optlen, GFP_KERNEL);  in do_ip_setsockopt()
1061 		if (copy_from_user(gsf, optval, optlen))  in do_ip_setsockopt()
1070 		if (GROUP_FILTER_SIZE(gsf->gf_numsrc) > optlen) {  in do_ip_setsockopt()
1108 		if (optlen < 1)  in do_ip_setsockopt()
1119 		if (optlen < 1)  in do_ip_setsockopt()
1129 		err = xfrm_user_policy(sk, optname, optval, optlen);  in do_ip_setsockopt()
1138 		if (optlen < 1)  in do_ip_setsockopt()
1144 		if (optlen < 1)  in do_ip_setsockopt()
1193 		int optname, char __user *optval, unsigned int optlen)  in ip_setsockopt()  argument
1200 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);  in ip_setsockopt()
1208 		err = nf_setsockopt(sk, PF_INET, optname, optval, optlen);  in ip_setsockopt()
1218 			 char __user *optval, unsigned int optlen)  in compat_ip_setsockopt()  argument
1226 		return compat_mc_setsockopt(sk, level, optname, optval, optlen,  in compat_ip_setsockopt()
1229 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);  in compat_ip_setsockopt()
1238 					   optval, optlen);  in compat_ip_setsockopt()
1253 			    char __user *optval, int __user *optlen, unsigned int flags)  in do_ip_getsockopt()  argument
1263 		return ip_mroute_getsockopt(sk, optname, optval, optlen);  in do_ip_getsockopt()
1265 	if (get_user(len, optlen))  in do_ip_getsockopt()
1281 		opt->optlen = 0;  in do_ip_getsockopt()
1285 			       inet_opt->opt.optlen);  in do_ip_getsockopt()
1288 		if (opt->optlen == 0)  in do_ip_getsockopt()
1289 			return put_user(0, optlen);  in do_ip_getsockopt()
1293 		len = min_t(unsigned int, len, opt->optlen);  in do_ip_getsockopt()
1294 		if (put_user(len, optlen))  in do_ip_getsockopt()
1375 		if (put_user(len, optlen))  in do_ip_getsockopt()
1395 				   (struct ip_msfilter __user *)optval, optlen);  in do_ip_getsockopt()
1414 				   optlen);  in do_ip_getsockopt()
1451 		return put_user(len, optlen);  in do_ip_getsockopt()
1471 		if (put_user(len, optlen))  in do_ip_getsockopt()
1477 		if (put_user(len, optlen))  in do_ip_getsockopt()
1486 		  int optname, char __user *optval, int __user *optlen)  in ip_getsockopt()  argument
1490 	err = do_ip_getsockopt(sk, level, optname, optval, optlen, 0);  in ip_getsockopt()
1497 		if (get_user(len, optlen))  in ip_getsockopt()
1505 			err = put_user(len, optlen);  in ip_getsockopt()
1515 			 char __user *optval, int __user *optlen)  in compat_ip_getsockopt()  argument
1520 		return compat_mc_getsockopt(sk, level, optname, optval, optlen,  in compat_ip_getsockopt()
1523 	err = do_ip_getsockopt(sk, level, optname, optval, optlen,  in compat_ip_getsockopt()
1532 		if (get_user(len, optlen))  in compat_ip_getsockopt()
1539 			err = put_user(len, optlen);  in compat_ip_getsockopt()