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-rw-r--r--net/netfilter/nf_flow_table_core.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index e3d797252a98..68a24471ffee 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -111,7 +111,7 @@ static void flow_offload_fixup_tcp(struct ip_ct_tcp *tcp)
#define NF_FLOWTABLE_TCP_PICKUP_TIMEOUT (120 * HZ)
#define NF_FLOWTABLE_UDP_PICKUP_TIMEOUT (30 * HZ)
-static void flow_offload_fixup_ct_state(struct nf_conn *ct)
+static void flow_offload_fixup_ct(struct nf_conn *ct)
{
const struct nf_conntrack_l4proto *l4proto;
unsigned int timeout;
@@ -208,6 +208,11 @@ int flow_offload_add(struct nf_flowtable *flow_table, struct flow_offload *flow)
}
EXPORT_SYMBOL_GPL(flow_offload_add);
+static inline bool nf_flow_has_expired(const struct flow_offload *flow)
+{
+ return (__s32)(flow->timeout - (u32)jiffies) <= 0;
+}
+
static void flow_offload_del(struct nf_flowtable *flow_table,
struct flow_offload *flow)
{
@@ -223,6 +228,9 @@ static void flow_offload_del(struct nf_flowtable *flow_table,
e = container_of(flow, struct flow_offload_entry, flow);
clear_bit(IPS_OFFLOAD_BIT, &e->ct->status);
+ if (nf_flow_has_expired(flow))
+ flow_offload_fixup_ct(e->ct);
+
flow_offload_free(flow);
}
@@ -233,7 +241,7 @@ void flow_offload_teardown(struct flow_offload *flow)
flow->flags |= FLOW_OFFLOAD_TEARDOWN;
e = container_of(flow, struct flow_offload_entry, flow);
- flow_offload_fixup_ct_state(e->ct);
+ flow_offload_fixup_ct(e->ct);
}
EXPORT_SYMBOL_GPL(flow_offload_teardown);
@@ -298,11 +306,6 @@ nf_flow_table_iterate(struct nf_flowtable *flow_table,
return err;
}
-static inline bool nf_flow_has_expired(const struct flow_offload *flow)
-{
- return (__s32)(flow->timeout - (u32)jiffies) <= 0;
-}
-
static void nf_flow_offload_gc_step(struct flow_offload *flow, void *data)
{
struct nf_flowtable *flow_table = data;