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netfilter: rename local nf_hook_list to hook_list

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085db2c045 ("netfilter: Per network namespace netfilter hooks.") introduced a
new nf_hook_list that is global, so let's avoid this overlap.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Pablo Neira Ayuso 2015-07-20 13:32:52 +02:00
parent 7181ebafd4
commit 3bbd14e0a2
2 changed files with 21 additions and 21 deletions
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14
include/linux/netfilter.h
View File

@ -140,20 +140,20 @@ void nf_unregister_sockopt(struct nf_sockopt_ops *reg);
#ifdef HAVE_JUMP_LABEL
extern struct static_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS];
static inline bool nf_hook_list_active(struct list_head *nf_hook_list,
static inline bool nf_hook_list_active(struct list_head *hook_list,
u_int8_t pf, unsigned int hook)
{
if (__builtin_constant_p(pf) &&
__builtin_constant_p(hook))
return static_key_false(&nf_hooks_needed[pf][hook]);
return !list_empty(nf_hook_list);
return !list_empty(hook_list);
}
#else
static inline bool nf_hook_list_active(struct list_head *nf_hook_list,
static inline bool nf_hook_list_active(struct list_head *hook_list,
u_int8_t pf, unsigned int hook)
{
return !list_empty(nf_hook_list);
return !list_empty(hook_list);
}
#endif
@ -175,12 +175,12 @@ static inline int nf_hook_thresh(u_int8_t pf, unsigned int hook,
int thresh)
{
struct net *net = dev_net(indev ? indev : outdev);
struct list_head *nf_hook_list = &net->nf.hooks[pf][hook];
struct list_head *hook_list = &net->nf.hooks[pf][hook];
if (nf_hook_list_active(nf_hook_list, pf, hook)) {
if (nf_hook_list_active(hook_list, pf, hook)) {
struct nf_hook_state state;
nf_hook_state_init(&state, nf_hook_list, hook, thresh,
nf_hook_state_init(&state, hook_list, hook, thresh,
pf, indev, outdev, sk, okfn);
return nf_hook_slow(skb, &state);
}

28
net/netfilter/core.c
View File

@ -62,20 +62,20 @@ EXPORT_SYMBOL(nf_hooks_needed);
static DEFINE_MUTEX(nf_hook_mutex);
static struct list_head *find_nf_hook_list(struct net *net,
static struct list_head *nf_find_hook_list(struct net *net,
const struct nf_hook_ops *reg)
{
struct list_head *nf_hook_list = NULL;
struct list_head *hook_list = NULL;
if (reg->pf != NFPROTO_NETDEV)
nf_hook_list = &net->nf.hooks[reg->pf][reg->hooknum];
hook_list = &net->nf.hooks[reg->pf][reg->hooknum];
else if (reg->hooknum == NF_NETDEV_INGRESS) {
#ifdef CONFIG_NETFILTER_INGRESS
if (reg->dev && dev_net(reg->dev) == net)
nf_hook_list = &reg->dev->nf_hooks_ingress;
hook_list = &reg->dev->nf_hooks_ingress;
#endif
}
return nf_hook_list;
return hook_list;
}
struct nf_hook_entry {
@ -85,7 +85,7 @@ struct nf_hook_entry {
int nf_register_net_hook(struct net *net, const struct nf_hook_ops *reg)
{
struct list_head *nf_hook_list;
struct list_head *hook_list;
struct nf_hook_entry *entry;
struct nf_hook_ops *elem;
@ -96,14 +96,14 @@ int nf_register_net_hook(struct net *net, const struct nf_hook_ops *reg)
entry->orig_ops = reg;
entry->ops = *reg;
nf_hook_list = find_nf_hook_list(net, reg);
if (!nf_hook_list) {
hook_list = nf_find_hook_list(net, reg);
if (!hook_list) {
kfree(entry);
return -ENOENT;
}
mutex_lock(&nf_hook_mutex);
list_for_each_entry(elem, nf_hook_list, list) {
list_for_each_entry(elem, hook_list, list) {
if (reg->priority < elem->priority)
break;
}
@ -122,16 +122,16 @@ EXPORT_SYMBOL(nf_register_net_hook);
void nf_unregister_net_hook(struct net *net, const struct nf_hook_ops *reg)
{
struct list_head *nf_hook_list;
struct list_head *hook_list;
struct nf_hook_entry *entry;
struct nf_hook_ops *elem;
nf_hook_list = find_nf_hook_list(net, reg);
if (!nf_hook_list)
hook_list = nf_find_hook_list(net, reg);
if (!hook_list)
return;
mutex_lock(&nf_hook_mutex);
list_for_each_entry(elem, nf_hook_list, list) {
list_for_each_entry(elem, hook_list, list) {
entry = container_of(elem, struct nf_hook_entry, ops);
if (entry->orig_ops == reg) {
list_del_rcu(&entry->ops.list);
@ -139,7 +139,7 @@ void nf_unregister_net_hook(struct net *net, const struct nf_hook_ops *reg)
}
}
mutex_unlock(&nf_hook_mutex);
if (&elem->list == nf_hook_list) {
if (&elem->list == hook_list) {
WARN(1, "nf_unregister_net_hook: hook not found!\n");
return;
}