diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index 7d5e50c921a0..6158e13c98d3 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -328,9 +328,13 @@ static int tcf_ct_flow_table_get(struct net *net, struct tcf_ct_params *params) int err = -ENOMEM; mutex_lock(&zones_mutex); - ct_ft = rhashtable_lookup_fast(&zones_ht, &key, zones_params); - if (ct_ft && refcount_inc_not_zero(&ct_ft->ref)) + rcu_read_lock(); + ct_ft = rhashtable_lookup(&zones_ht, &key, zones_params); + if (ct_ft && refcount_inc_not_zero(&ct_ft->ref)) { + rcu_read_unlock(); goto out_unlock; + } + rcu_read_unlock(); ct_ft = kzalloc_obj(*ct_ft); if (!ct_ft)