From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 10 Sep 2020 14:36:35 +0000 (+0200)
Subject: timesyncd: don't attempt to call IP_TOS sockopt on IPv6 sockets
X-Git-Tag: v247-rc1~258^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=00df39a56a247a9936ca0c0a79c17cd0dda31daa;p=thirdparty%2Fsystemd.git

timesyncd: don't attempt to call IP_TOS sockopt on IPv6 sockets
---

diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c
index 637a3b81c6a..0fab37d7834 100644
--- a/src/timesync/timesyncd-manager.c
+++ b/src/timesync/timesyncd-manager.c
@@ -647,7 +647,8 @@ static int manager_listen_setup(Manager *m) {
         if (r < 0)
                 return r;
 
-        (void) setsockopt_int(m->server_socket, IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY);
+        if (addr.sa.sa_family == AF_INET)
+                (void) setsockopt_int(m->server_socket, IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY);
 
         return sd_event_add_io(m->event, &m->event_receive, m->server_socket, EPOLLIN, manager_receive_response, m);
 }