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 = {};
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");
}
}