traceroute: fix compile error due to FreeBSD compat

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/networking/traceroute.c b/networking/traceroute.c
index 057f8591a..4bbe1ab8e 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -713,11 +713,16 @@ packet4_ok(int read_len, int seq)
                         up = (struct udphdr *)((char *)hip + hlen);
                         if (hlen + 12 <= read_len
                          && hip->ip_p == IPPROTO_UDP
-// Off: since we do not form the entire IP packet,
+#if !defined(__FreeBSD__)
+// Disabled source check: since we do not form the entire IP packet,
 // but defer it to kernel, we can't set source port,
 // and thus can't check it here in the reply
+                        /* && up->source == ident */
+                         && up->dest == htons(port + seq)
+#else
                         /* && up->uh_sport == ident */
                          && up->uh_dport == htons(port + seq)
+#endif
                         ) {
                                 return (type == ICMP_TIMXCEED ? -1 : code + 1);
                         }