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Diffstat (limited to 'net/netfilter/nf_flow_table_core.c')
-rw-r--r--net/netfilter/nf_flow_table_core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index 3db256da919b..20b4a14e5d4e 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -335,8 +335,10 @@ void flow_offload_refresh(struct nf_flowtable *flow_table,
u32 timeout;
timeout = nf_flowtable_time_stamp + flow_offload_get_timeout(flow);
- if (READ_ONCE(flow->timeout) != timeout)
+ if (timeout - READ_ONCE(flow->timeout) > HZ)
WRITE_ONCE(flow->timeout, timeout);
+ else
+ return;
if (likely(!nf_flowtable_hw_offload(flow_table)))
return;