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-rw-r--r--sys/netinet/tcp_syncache.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c
index cd038ab2952c3..7a46acf3a8783 100644
--- a/sys/netinet/tcp_syncache.c
+++ b/sys/netinet/tcp_syncache.c
@@ -2224,7 +2224,8 @@ syncookie_lookup(struct in_conninfo *inc, struct syncache_head *sch,
#ifdef INET6
case INC_ISIPV6:
if (sotoinpcb(lso)->inp_flags & IN6P_AUTOFLOWLABEL)
- sc->sc_flowlabel = sc->sc_iss & IPV6_FLOWLABEL_MASK;
+ sc->sc_flowlabel =
+ htonl(sc->sc_iss) & IPV6_FLOWLABEL_MASK;
break;
#endif
}