diff options
Diffstat (limited to 'net/netfilter/nf_conntrack_helper.c')
| -rw-r--r-- | net/netfilter/nf_conntrack_helper.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index b989b81ac156..336e21559e01 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -189,7 +189,6 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl, struct nf_conntrack_helper *helper = NULL; struct nf_conn_help *help; struct net *net = nf_ct_net(ct); - int ret = 0; /* We already got a helper explicitly attached. The function * nf_conntrack_alter_reply - in case NAT is in use - asks for looking @@ -223,15 +222,13 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl, if (helper == NULL) { if (help) RCU_INIT_POINTER(help->helper, NULL); - goto out; + return 0; } if (help == NULL) { help = nf_ct_helper_ext_add(ct, helper, flags); - if (help == NULL) { - ret = -ENOMEM; - goto out; - } + if (help == NULL) + return -ENOMEM; } else { /* We only allow helper re-assignment of the same sort since * we cannot reallocate the helper extension area. @@ -240,13 +237,13 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl, if (tmp && tmp->help != helper->help) { RCU_INIT_POINTER(help->helper, NULL); - goto out; + return 0; } } rcu_assign_pointer(help->helper, helper); -out: - return ret; + + return 0; } EXPORT_SYMBOL_GPL(__nf_ct_try_assign_helper); @@ -349,7 +346,7 @@ void nf_ct_helper_log(struct sk_buff *skb, const struct nf_conn *ct, /* Called from the helper function, this call never fails */ help = nfct_help(ct); - /* rcu_read_lock()ed by nf_hook_slow */ + /* rcu_read_lock()ed by nf_hook_thresh */ helper = rcu_dereference(help->helper); nf_log_packet(nf_ct_net(ct), nf_ct_l3num(ct), 0, skb, NULL, NULL, NULL, |