459 	int val = 0, err;  in do_ip_setsockopt()  local
484 			if (get_user(val, (int __user *) optval))  in do_ip_setsockopt()
491 			val = (int) ucval;  in do_ip_setsockopt()
539 		if (val)  in do_ip_setsockopt()
545 		if (val)  in do_ip_setsockopt()
551 		if (val)  in do_ip_setsockopt()
557 		if (val)  in do_ip_setsockopt()
563 		if (val)  in do_ip_setsockopt()
569 		if (val)  in do_ip_setsockopt()
575 		if (val)  in do_ip_setsockopt()
582 			val &= ~INET_ECN_MASK;  in do_ip_setsockopt()
583 			val |= inet->tos & INET_ECN_MASK;  in do_ip_setsockopt()
585 		if (inet->tos != val) {  in do_ip_setsockopt()
586 			inet->tos = val;  in do_ip_setsockopt()
587 			sk->sk_priority = rt_tos2priority(val);  in do_ip_setsockopt()
594 		if (val != -1 && (val < 1 || val > 255))  in do_ip_setsockopt()
596 		inet->uc_ttl = val;  in do_ip_setsockopt()
603 		inet->hdrincl = val ? 1 : 0;  in do_ip_setsockopt()
610 		inet->nodefrag = val ? 1 : 0;  in do_ip_setsockopt()
613 		if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_PROBE)  in do_ip_setsockopt()
615 		inet->pmtudisc = val;  in do_ip_setsockopt()
618 		inet->recverr = !!val;  in do_ip_setsockopt()
619 		if (!val)  in do_ip_setsockopt()
627 		if (val == -1)  in do_ip_setsockopt()
628 			val = 1;  in do_ip_setsockopt()
629 		if (val < 0 || val > 255)  in do_ip_setsockopt()
631 		inet->mc_ttl = val;  in do_ip_setsockopt()
636 		inet->mc_loop = !!val;  in do_ip_setsockopt()
646 		ifindex = (__force int)ntohl((__force __be32)val);  in do_ip_setsockopt()
976 		if (val != 0 && val != 1)  in do_ip_setsockopt()
978 		inet->mc_all = val;  in do_ip_setsockopt()
981 		err = ip_ra_control(sk, val ? 1 : 0, NULL);  in do_ip_setsockopt()
987 		inet->freebind = !!val;  in do_ip_setsockopt()
999 		if (!!val && !ns_capable(sock_net(sk)->user_ns, CAP_NET_RAW) &&  in do_ip_setsockopt()
1006 		inet->transparent = !!val;  in do_ip_setsockopt()
1012 		if (val < 0 || val > 255)  in do_ip_setsockopt()
1014 		inet->min_ttl = val;  in do_ip_setsockopt()
1123 	int val;  in do_ip_getsockopt()  local
1168 		val = (inet->cmsg_flags & IP_CMSG_PKTINFO) != 0;  in do_ip_getsockopt()
1171 		val = (inet->cmsg_flags & IP_CMSG_TTL) != 0;  in do_ip_getsockopt()
1174 		val = (inet->cmsg_flags & IP_CMSG_TOS) != 0;  in do_ip_getsockopt()
1177 		val = (inet->cmsg_flags & IP_CMSG_RECVOPTS) != 0;  in do_ip_getsockopt()
1180 		val = (inet->cmsg_flags & IP_CMSG_RETOPTS) != 0;  in do_ip_getsockopt()
1183 		val = (inet->cmsg_flags & IP_CMSG_PASSSEC) != 0;  in do_ip_getsockopt()
1186 		val = (inet->cmsg_flags & IP_CMSG_ORIGDSTADDR) != 0;  in do_ip_getsockopt()
1189 		val = inet->tos;  in do_ip_getsockopt()
1192 		val = (inet->uc_ttl == -1 ?  in do_ip_getsockopt()
1197 		val = inet->hdrincl;  in do_ip_getsockopt()
1200 		val = inet->nodefrag;  in do_ip_getsockopt()
1203 		val = inet->pmtudisc;  in do_ip_getsockopt()
1208 		val = 0;  in do_ip_getsockopt()
1211 			val = dst_mtu(dst);  in do_ip_getsockopt()
1214 		if (!val) {  in do_ip_getsockopt()
1221 		val = inet->recverr;  in do_ip_getsockopt()
1224 		val = inet->mc_ttl;  in do_ip_getsockopt()
1227 		val = inet->mc_loop;  in do_ip_getsockopt()
1230 		val = (__force int)htonl((__u32) inet->uc_index);  in do_ip_getsockopt()
1283 		val = inet->mc_all;  in do_ip_getsockopt()
1318 		val = inet->freebind;  in do_ip_getsockopt()
1321 		val = inet->transparent;  in do_ip_getsockopt()
1324 		val = inet->min_ttl;  in do_ip_getsockopt()
1332 	if (len < sizeof(int) && len > 0 && val >= 0 && val <= 255) {  in do_ip_getsockopt()
1333 		unsigned char ucval = (unsigned char)val;  in do_ip_getsockopt()
1343 		if (copy_to_user(optval, &val, len))  in do_ip_getsockopt()