diff options
Diffstat (limited to 'net/netfilter/nf_conntrack_core.c')
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index f4935e344b61..dfb447b584da 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -54,7 +54,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_lock); unsigned int nf_conntrack_htable_size __read_mostly; EXPORT_SYMBOL_GPL(nf_conntrack_htable_size); -int nf_conntrack_max __read_mostly; +unsigned int nf_conntrack_max __read_mostly; EXPORT_SYMBOL_GPL(nf_conntrack_max); struct nf_conn nf_conntrack_untracked __read_mostly; @@ -472,7 +472,8 @@ struct nf_conn *nf_conntrack_alloc(struct net *net, struct nf_conn *ct; if (unlikely(!nf_conntrack_hash_rnd_initted)) { - get_random_bytes(&nf_conntrack_hash_rnd, 4); + get_random_bytes(&nf_conntrack_hash_rnd, + sizeof(nf_conntrack_hash_rnd)); nf_conntrack_hash_rnd_initted = 1; } @@ -516,16 +517,17 @@ EXPORT_SYMBOL_GPL(nf_conntrack_alloc); static void nf_conntrack_free_rcu(struct rcu_head *head) { struct nf_conn *ct = container_of(head, struct nf_conn, rcu); - struct net *net = nf_ct_net(ct); nf_ct_ext_free(ct); kmem_cache_free(nf_conntrack_cachep, ct); - atomic_dec(&net->ct.count); } void nf_conntrack_free(struct nf_conn *ct) { + struct net *net = nf_ct_net(ct); + nf_ct_ext_destroy(ct); + atomic_dec(&net->ct.count); call_rcu(&ct->rcu, nf_conntrack_free_rcu); } EXPORT_SYMBOL_GPL(nf_conntrack_free); @@ -733,6 +735,8 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum, nf_conntrack_put(skb->nfct); skb->nfct = NULL; NF_CT_STAT_INC_ATOMIC(net, invalid); + if (ret == -NF_DROP) + NF_CT_STAT_INC_ATOMIC(net, drop); return -ret; } @@ -1103,7 +1107,7 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp) /* We have to rehahs for the new table anyway, so we also can * use a newrandom seed */ - get_random_bytes(&rnd, 4); + get_random_bytes(&rnd, sizeof(rnd)); /* Lookups in the old hash might happen in parallel, which means we * might get false negatives during connection lookup. New connections |