X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fresolve%2Fresolved-dns-stream.c;h=3690679ec64133c5569f3defbd5ea1c473cc4ddf;hb=d1bddcec98551ea748f39a742a4cbcf9ea9254ef;hp=9a0d59d2247d9500c7b6147aeea30f7744618962;hpb=9a015429b3bbfe1c2802570c1621e73d6cb57ac3;p=elogind.git

diff --git a/src/resolve/resolved-dns-stream.c b/src/resolve/resolved-dns-stream.c
index 9a0d59d22..3690679ec 100644
--- a/src/resolve/resolved-dns-stream.c
+++ b/src/resolve/resolved-dns-stream.c
@@ -64,7 +64,7 @@ static int dns_stream_complete(DnsStream *s, int error) {
 static int dns_stream_identify(DnsStream *s) {
         union {
                 struct cmsghdr header; /* For alignment */
-                uint8_t buffer[CMSG_SPACE(MAX(sizeof(struct in_pktinfo), sizeof(struct in6_pktinfo)))
+                uint8_t buffer[CMSG_SPACE(MAXSIZE(struct in_pktinfo, struct in6_pktinfo))
                                + EXTRA_CMSG_SPACE /* kernel appears to require extra space */];
         } control;
         struct msghdr mh = {};
@@ -157,7 +157,7 @@ static int dns_stream_identify(DnsStream *s) {
          * device if the connection came from the local host since it
          * avoids the routing table in such a case. Let's unset the
          * interface index in such a case. */
-        if (s->ifindex > 0 && manager_ifindex_is_loopback(s->manager, s->ifindex) != 0)
+        if (s->ifindex == LOOPBACK_IFINDEX)
                 s->ifindex = 0;
 
         /* If we don't know the interface index still, we look for the
@@ -172,11 +172,11 @@ static int dns_stream_identify(DnsStream *s) {
                 if (s->local.sa.sa_family == AF_INET) {
                         r = setsockopt(s->fd, IPPROTO_IP, IP_UNICAST_IF, &ifindex, sizeof(ifindex));
                         if (r < 0)
-                                return -errno;
+                                log_debug("Failed to invoke IP_UNICAST_IF: %m");
                 } else if (s->local.sa.sa_family == AF_INET6) {
                         r = setsockopt(s->fd, IPPROTO_IPV6, IPV6_UNICAST_IF, &ifindex, sizeof(ifindex));
                         if (r < 0)
-                                return -errno;
+                                log_debug("Failed to invoke IPV6_UNICAST_IF: %m");
                 }
         }