summaryrefslogtreecommitdiff
path: root/net/netfilter/nf_nat_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/netfilter/nf_nat_core.c')
-rw-r--r--net/netfilter/nf_nat_core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index b48d6b5aae8a..ef0be325a0c6 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -409,6 +409,10 @@ nf_nat_setup_info(struct nf_conn *ct,
{
struct nf_conntrack_tuple curr_tuple, new_tuple;
+ /* Can't setup nat info for confirmed ct. */
+ if (nf_ct_is_confirmed(ct))
+ return NF_ACCEPT;
+
NF_CT_ASSERT(maniptype == NF_NAT_MANIP_SRC ||
maniptype == NF_NAT_MANIP_DST);
BUG_ON(nf_nat_initialized(ct, maniptype));