diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 801a3dd9ceea..6757fd89c1f1 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -995,7 +995,6 @@ static void flow_offload_work_del(struct flow_offload_work *offload) flow_offload_tuple_del(offload, FLOW_OFFLOAD_DIR_ORIGINAL); if (test_bit(NF_FLOW_HW_BIDIRECTIONAL, &offload->flow->flags)) flow_offload_tuple_del(offload, FLOW_OFFLOAD_DIR_REPLY); - set_bit(NF_FLOW_HW_DEAD, &offload->flow->flags); } static void flow_offload_tuple_stats(struct flow_offload_work *offload, @@ -1059,6 +1058,12 @@ static void flow_offload_work_handler(struct work_struct *work) } clear_bit(NF_FLOW_HW_PENDING, &offload->flow->flags); + if (offload->cmd == FLOW_CLS_DESTROY) { + /* Publish after the worker's last flow access. */ + smp_mb__before_atomic(); + set_bit(NF_FLOW_HW_DEAD, &offload->flow->flags); + } + kfree(offload); }