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
603 		if (optlen >= sizeof(int)) {  in do_ip_setsockopt()
606 		} else if (optlen >= sizeof(char)) {  in do_ip_setsockopt()
618 		return ip_mroute_setsockopt(sk, optname, optval, optlen);  in do_ip_setsockopt()
630 		if (optlen > 40)  in do_ip_setsockopt()
633 					       optval, optlen);  in do_ip_setsockopt()
647 					icsk->icsk_ext_hdr_len -= old->opt.optlen;  in do_ip_setsockopt()
649 					icsk->icsk_ext_hdr_len += opt->opt.optlen;  in do_ip_setsockopt()
727 		if (optlen < 1)  in do_ip_setsockopt()
763 		if (optlen < 1)  in do_ip_setsockopt()
772 		if (optlen < 1)  in do_ip_setsockopt()
781 		if (optlen != sizeof(int))  in do_ip_setsockopt()
816 		if (optlen < sizeof(struct in_addr))  in do_ip_setsockopt()
820 		if (optlen >= sizeof(struct ip_mreqn)) {  in do_ip_setsockopt()
825 			if (optlen >= sizeof(struct ip_mreq)) {  in do_ip_setsockopt()
829 			} else if (optlen >= sizeof(struct in_addr)) {  in do_ip_setsockopt()
875 		if (optlen < sizeof(struct ip_mreq))  in do_ip_setsockopt()
878 		if (optlen >= sizeof(struct ip_mreqn)) {  in do_ip_setsockopt()
897 		if (optlen < IP_MSFILTER_SIZE(0))  in do_ip_setsockopt()
899 		if (optlen > sysctl_optmem_max) {  in do_ip_setsockopt()
903 		msf = kmalloc(optlen, GFP_KERNEL);  in do_ip_setsockopt()
909 		if (copy_from_user(msf, optval, optlen)) {  in do_ip_setsockopt()
920 		if (IP_MSFILTER_SIZE(msf->imsf_numsrc) > optlen) {  in do_ip_setsockopt()
937 		if (optlen != sizeof(struct ip_mreq_source))  in do_ip_setsockopt()
974 		if (optlen < sizeof(struct group_req))  in do_ip_setsockopt()
1002 		if (optlen != sizeof(struct group_source_req))  in do_ip_setsockopt()
1053 		if (optlen < GROUP_FILTER_SIZE(0))  in do_ip_setsockopt()
1055 		if (optlen > sysctl_optmem_max) {  in do_ip_setsockopt()
1059 		gsf = kmalloc(optlen, GFP_KERNEL);  in do_ip_setsockopt()
1065 		if (copy_from_user(gsf, optval, optlen))  in do_ip_setsockopt()
1074 		if (GROUP_FILTER_SIZE(gsf->gf_numsrc) > optlen) {  in do_ip_setsockopt()
1112 		if (optlen < 1)  in do_ip_setsockopt()
1123 		if (optlen < 1)  in do_ip_setsockopt()
1133 		err = xfrm_user_policy(sk, optname, optval, optlen);  in do_ip_setsockopt()
1142 		if (optlen < 1)  in do_ip_setsockopt()
1148 		if (optlen < 1)  in do_ip_setsockopt()
1197 		int optname, char __user *optval, unsigned int optlen)  in ip_setsockopt()  argument
1204 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);  in ip_setsockopt()
1212 		err = nf_setsockopt(sk, PF_INET, optname, optval, optlen);  in ip_setsockopt()
1222 			 char __user *optval, unsigned int optlen)  in compat_ip_setsockopt()  argument
1230 		return compat_mc_setsockopt(sk, level, optname, optval, optlen,  in compat_ip_setsockopt()
1233 	err = do_ip_setsockopt(sk, level, optname, optval, optlen);  in compat_ip_setsockopt()
1242 					   optval, optlen);  in compat_ip_setsockopt()
1267 			    char __user *optval, int __user *optlen, unsigned int flags)  in do_ip_getsockopt()  argument
1278 		return ip_mroute_getsockopt(sk, optname, optval, optlen);  in do_ip_getsockopt()
1280 	if (get_user(len, optlen))  in do_ip_getsockopt()
1298 		opt->optlen = 0;  in do_ip_getsockopt()
1302 			       inet_opt->opt.optlen);  in do_ip_getsockopt()
1305 		if (opt->optlen == 0)  in do_ip_getsockopt()
1306 			return put_user(0, optlen);  in do_ip_getsockopt()
1310 		len = min_t(unsigned int, len, opt->optlen);  in do_ip_getsockopt()
1311 		if (put_user(len, optlen))  in do_ip_getsockopt()
1395 		if (put_user(len, optlen))  in do_ip_getsockopt()
1414 				   (struct ip_msfilter __user *)optval, optlen);  in do_ip_getsockopt()
1431 				   optlen);  in do_ip_getsockopt()
1467 		return put_user(len, optlen);  in do_ip_getsockopt()
1487 		if (put_user(len, optlen))  in do_ip_getsockopt()
1493 		if (put_user(len, optlen))  in do_ip_getsockopt()
1508 		  int optname, char __user *optval, int __user *optlen)  in ip_getsockopt()  argument
1512 	err = do_ip_getsockopt(sk, level, optname, optval, optlen, 0);  in ip_getsockopt()
1519 		if (get_user(len, optlen))  in ip_getsockopt()
1527 			err = put_user(len, optlen);  in ip_getsockopt()
1537 			 char __user *optval, int __user *optlen)  in compat_ip_getsockopt()  argument
1542 		return compat_mc_getsockopt(sk, level, optname, optval, optlen,  in compat_ip_getsockopt()
1545 	err = do_ip_getsockopt(sk, level, optname, optval, optlen,  in compat_ip_getsockopt()
1554 		if (get_user(len, optlen))  in compat_ip_getsockopt()
1561 			err = put_user(len, optlen);  in compat_ip_getsockopt()