diff options
| -rw-r--r-- | net/netfilter/nf_flow_table_core.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c index 03241d4bfd5e..934c6151f558 100644 --- a/net/netfilter/nf_flow_table_core.c +++ b/net/netfilter/nf_flow_table_core.c @@ -258,6 +258,14 @@ static void flow_offload_route_release(struct flow_offload *flow) nft_flow_dst_release(flow, FLOW_OFFLOAD_DIR_REPLY); } +static void flow_offload_free_rcu(struct rcu_head *rcu_head) +{ + struct flow_offload *flow = container_of(rcu_head, struct flow_offload, rcu_head); + + nf_ct_put(flow->ct); + kfree(flow); +} + void flow_offload_free(struct flow_offload *flow) { switch (flow->type) { @@ -267,8 +275,7 @@ void flow_offload_free(struct flow_offload *flow) default: break; } - nf_ct_put(flow->ct); - kfree_rcu(flow, rcu_head); + call_rcu(&flow->rcu_head, flow_offload_free_rcu); } EXPORT_SYMBOL_GPL(flow_offload_free); @@ -854,6 +861,7 @@ out_pernet: static void __exit nf_flow_table_module_exit(void) { + rcu_barrier(); nf_flow_table_offload_exit(); unregister_pernet_subsys(&nf_flow_table_net_ops); kmem_cache_destroy(flow_offload_cachep); |