diff options
Diffstat (limited to 'src/resolve/resolved-dns-transaction.c')
| -rw-r--r-- | src/resolve/resolved-dns-transaction.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index 262f63cae3..fb54d160da 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -1183,8 +1183,8 @@ static int on_dns_packet(sd_event_source *s, int fd, uint32_t revents, void *use if (ERRNO_IS_DISCONNECT(-r)) { usec_t usec; - /* UDP connection failure get reported via ICMP and then are possible delivered to us on the next - * recvmsg(). Treat this like a lost packet. */ + /* UDP connection failures get reported via ICMP and then are possibly delivered to us on the + * next recvmsg(). Treat this like a lost packet. */ log_debug_errno(r, "Connection failure for DNS UDP packet: %m"); assert_se(sd_event_now(t->scope->manager->event, clock_boottime_or_monotonic(), &usec) >= 0); @@ -1198,6 +1198,9 @@ static int on_dns_packet(sd_event_source *s, int fd, uint32_t revents, void *use t->answer_errno = -r; return 0; } + if (r == 0) + /* Spurious wakeup without any data */ + return 0; r = dns_packet_validate_reply(p); if (r < 0) { |