From: wenxu <wenxu@xxxxxxxxx>
The tc ct action does not cache the route in the flowtable entry.
Fixes: 88bf6e4114d5 ("netfilter: flowtable: add tunnel encap/decap action offload support")
Fixes: cfab6dbd0ecf ("netfilter: flowtable: add tunnel match offload support")
Signed-off-by: wenxu <wenxu@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/netfilter/nf_flow_table_offload.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index ad549317af30..a68136a8d750 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -92,7 +92,7 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_TCP, tcp);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_PORTS, tp);
- if (other_dst->lwtstate) {
+ if (other_dst && other_dst->lwtstate) {
tun_info = lwt_tun_info(other_dst->lwtstate);
nf_flow_rule_lwt_match(match, tun_info);
}
@@ -483,7 +483,7 @@ static void flow_offload_encap_tunnel(const struct flow_offload *flow,
struct dst_entry *dst;
dst = flow->tuplehash[dir].tuple.dst_cache;
- if (dst->lwtstate) {
+ if (dst && dst->lwtstate) {
struct ip_tunnel_info *tun_info;
tun_info = lwt_tun_info(dst->lwtstate);
@@ -503,7 +503,7 @@ static void flow_offload_decap_tunnel(const struct flow_offload *flow,
struct dst_entry *dst;
dst = flow->tuplehash[!dir].tuple.dst_cache;
- if (dst->lwtstate) {
+ if (dst && dst->lwtstate) {
struct ip_tunnel_info *tun_info;
tun_info = lwt_tun_info(dst->lwtstate);
--
2.11.0
