diff options
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c index e23e8ca476c0..babce304c619 100644 --- a/net/ipv4/netfilter/ip_conntrack_core.c +++ b/net/ipv4/netfilter/ip_conntrack_core.c @@ -938,6 +938,9 @@ void ip_conntrack_unexpect_related(struct ip_conntrack_expect *exp) write_unlock_bh(&ip_conntrack_lock); } +/* We don't increase the master conntrack refcount for non-fulfilled + * conntracks. During the conntrack destruction, the expectations are + * always killed before the conntrack itself */ struct ip_conntrack_expect *ip_conntrack_expect_alloc(struct ip_conntrack *me) { struct ip_conntrack_expect *new; @@ -948,17 +951,14 @@ struct ip_conntrack_expect *ip_conntrack_expect_alloc(struct ip_conntrack *me) return NULL; } new->master = me; - atomic_inc(&new->master->ct_general.use); atomic_set(&new->use, 1); return new; } void ip_conntrack_expect_put(struct ip_conntrack_expect *exp) { - if (atomic_dec_and_test(&exp->use)) { - ip_conntrack_put(exp->master); + if (atomic_dec_and_test(&exp->use)) kmem_cache_free(ip_conntrack_expect_cachep, exp); - } } static void ip_conntrack_expect_insert(struct ip_conntrack_expect *exp) |