diff options
Diffstat (limited to 'src/socket.c')
| -rw-r--r-- | src/socket.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/socket.c b/src/socket.c index da85ca7e8..aacf9bed9 100644 --- a/src/socket.c +++ b/src/socket.c @@ -634,7 +634,13 @@ static void socket_apply_socket_options(Socket *s, int fd) { int r, x; r = setsockopt(fd, IPPROTO_IP, IP_TTL, &s->ip_ttl, sizeof(s->ip_ttl)); - x = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &s->ip_ttl, sizeof(s->ip_ttl)); + + if (socket_ipv6_is_supported()) + x = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &s->ip_ttl, sizeof(s->ip_ttl)); + else { + x = -1; + errno = EAFNOSUPPORT; + } if (r < 0 && x < 0) log_warning("IP_TTL/IPV6_UNICAST_HOPS failed: %m"); |