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Diffstat (limited to 'src/socket.c')
-rw-r--r--src/socket.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/socket.c b/src/socket.c
index da85ca7e8b..aacf9bed9f 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");