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path: root/net/ipv4/netfilter/arp_tables.c
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Diffstat (limited to 'net/ipv4/netfilter/arp_tables.c')
-rw-r--r--net/ipv4/netfilter/arp_tables.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 1563f29b511..03e83a65aec 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -59,7 +59,7 @@ do { \
#endif
static inline int arp_devaddr_compare(const struct arpt_devaddr_info *ap,
- char *hdr_addr, int len)
+ const char *hdr_addr, int len)
{
int i, ret;
@@ -80,8 +80,8 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
const char *outdev,
const struct arpt_arp *arpinfo)
{
- char *arpptr = (char *)(arphdr + 1);
- char *src_devaddr, *tgt_devaddr;
+ const char *arpptr = (char *)(arphdr + 1);
+ const char *src_devaddr, *tgt_devaddr;
__be32 src_ipaddr, tgt_ipaddr;
int i, ret;
@@ -222,16 +222,16 @@ unsigned int arpt_do_table(struct sk_buff *skb,
unsigned int hook,
const struct net_device *in,
const struct net_device *out,
- struct arpt_table *table)
+ struct xt_table *table)
{
static const char nulldevname[IFNAMSIZ];
unsigned int verdict = NF_DROP;
- struct arphdr *arp;
+ const struct arphdr *arp;
bool hotdrop = false;
struct arpt_entry *e, *back;
const char *indev, *outdev;
void *table_base;
- struct xt_table_info *private;
+ const struct xt_table_info *private;
if (!pskb_may_pull(skb, arp_hdr_len(skb->dev)))
return NF_DROP;
@@ -352,7 +352,7 @@ static int mark_source_chains(struct xt_table_info *newinfo,
e->counters.pcnt = pos;
for (;;) {
- struct arpt_standard_target *t
+ const struct arpt_standard_target *t
= (void *)arpt_get_target(e);
int visited = e->comefrom & (1 << hook);
@@ -437,7 +437,7 @@ static int mark_source_chains(struct xt_table_info *newinfo,
static inline int check_entry(struct arpt_entry *e, const char *name)
{
- struct arpt_entry_target *t;
+ const struct arpt_entry_target *t;
if (!arp_checkentry(&e->arp)) {
duprintf("arp_tables: arp check failed %p %s.\n", e, name);
@@ -457,7 +457,7 @@ static inline int check_entry(struct arpt_entry *e, const char *name)
static inline int check_target(struct arpt_entry *e, const char *name)
{
struct arpt_entry_target *t;
- struct arpt_target *target;
+ struct xt_target *target;
int ret;
t = arpt_get_target(e);
@@ -480,7 +480,7 @@ find_check_entry(struct arpt_entry *e, const char *name, unsigned int size,
unsigned int *i)
{
struct arpt_entry_target *t;
- struct arpt_target *target;
+ struct xt_target *target;
int ret;
ret = check_entry(e, name);
@@ -706,11 +706,11 @@ static void get_counters(const struct xt_table_info *t,
}
}
-static inline struct xt_counters *alloc_counters(struct arpt_table *table)
+static inline struct xt_counters *alloc_counters(struct xt_table *table)
{
unsigned int countersize;
struct xt_counters *counters;
- struct xt_table_info *private = table->private;
+ const struct xt_table_info *private = table->private;
/* We need atomic snapshot of counters: rest doesn't change
* (other than comefrom, which userspace doesn't care
@@ -731,7 +731,7 @@ static inline struct xt_counters *alloc_counters(struct arpt_table *table)
}
static int copy_entries_to_user(unsigned int total_size,
- struct arpt_table *table,
+ struct xt_table *table,
void __user *userptr)
{
unsigned int off, num;
@@ -851,7 +851,7 @@ static int compat_table_info(const struct xt_table_info *info,
static int get_info(struct net *net, void __user *user, int *len, int compat)
{
char name[ARPT_TABLE_MAXNAMELEN];
- struct arpt_table *t;
+ struct xt_table *t;
int ret;
if (*len != sizeof(struct arpt_getinfo)) {
@@ -872,7 +872,7 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
"arptable_%s", name);
if (t && !IS_ERR(t)) {
struct arpt_getinfo info;
- struct xt_table_info *private = t->private;
+ const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT
if (compat) {
@@ -911,7 +911,7 @@ static int get_entries(struct net *net, struct arpt_get_entries __user *uptr,
{
int ret;
struct arpt_get_entries get;
- struct arpt_table *t;
+ struct xt_table *t;
if (*len < sizeof(get)) {
duprintf("get_entries: %u < %Zu\n", *len, sizeof(get));
@@ -927,7 +927,8 @@ static int get_entries(struct net *net, struct arpt_get_entries __user *uptr,
t = xt_find_table_lock(net, NF_ARP, get.name);
if (t && !IS_ERR(t)) {
- struct xt_table_info *private = t->private;
+ const struct xt_table_info *private = t->private;
+
duprintf("t->private->number = %u\n",
private->number);
if (get.size == private->size)
@@ -936,7 +937,7 @@ static int get_entries(struct net *net, struct arpt_get_entries __user *uptr,
else {
duprintf("get_entries: I've got %u not %u!\n",
private->size, get.size);
- ret = -EINVAL;
+ ret = -EAGAIN;
}
module_put(t->me);
xt_table_unlock(t);
@@ -953,7 +954,7 @@ static int __do_replace(struct net *net, const char *name,
void __user *counters_ptr)
{
int ret;
- struct arpt_table *t;
+ struct xt_table *t;
struct xt_table_info *oldinfo;
struct xt_counters *counters;
void *loc_cpu_old_entry;
@@ -1087,11 +1088,11 @@ static int do_add_counters(struct net *net, void __user *user, unsigned int len,
struct xt_counters_info tmp;
struct xt_counters *paddc;
unsigned int num_counters;
- char *name;
+ const char *name;
int size;
void *ptmp;
- struct arpt_table *t;
- struct xt_table_info *private;
+ struct xt_table *t;
+ const struct xt_table_info *private;
int ret = 0;
void *loc_cpu_entry;
#ifdef CONFIG_COMPAT
@@ -1554,11 +1555,11 @@ out:
}
static int compat_copy_entries_to_user(unsigned int total_size,
- struct arpt_table *table,
+ struct xt_table *table,
void __user *userptr)
{
struct xt_counters *counters;
- struct xt_table_info *private = table->private;
+ const struct xt_table_info *private = table->private;
void __user *pos;
unsigned int size;
int ret = 0;
@@ -1592,7 +1593,7 @@ static int compat_get_entries(struct net *net,
{
int ret;
struct compat_arpt_get_entries get;
- struct arpt_table *t;
+ struct xt_table *t;
if (*len < sizeof(get)) {
duprintf("compat_get_entries: %u < %zu\n", *len, sizeof(get));
@@ -1609,7 +1610,7 @@ static int compat_get_entries(struct net *net,
xt_compat_lock(NF_ARP);
t = xt_find_table_lock(net, NF_ARP, get.name);
if (t && !IS_ERR(t)) {
- struct xt_table_info *private = t->private;
+ const struct xt_table_info *private = t->private;
struct xt_table_info info;
duprintf("t->private->number = %u\n", private->number);
@@ -1620,7 +1621,7 @@ static int compat_get_entries(struct net *net,
} else if (!ret) {
duprintf("compat_get_entries: I've got %u not %u!\n",
private->size, get.size);
- ret = -EINVAL;
+ ret = -EAGAIN;
}
xt_compat_flush_offsets(NF_ARP);
module_put(t->me);
@@ -1722,9 +1723,8 @@ static int do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len
return ret;
}
-struct arpt_table *arpt_register_table(struct net *net,
- struct arpt_table *table,
- const struct arpt_replace *repl)
+struct xt_table *arpt_register_table(struct net *net, struct xt_table *table,
+ const struct arpt_replace *repl)
{
int ret;
struct xt_table_info *newinfo;
@@ -1766,7 +1766,7 @@ out:
return ERR_PTR(ret);
}
-void arpt_unregister_table(struct arpt_table *table)
+void arpt_unregister_table(struct xt_table *table)
{
struct xt_table_info *private;
void *loc_cpu_entry;
@@ -1784,7 +1784,7 @@ void arpt_unregister_table(struct arpt_table *table)
}
/* The built-in targets: standard (NULL) and error. */
-static struct arpt_target arpt_standard_target __read_mostly = {
+static struct xt_target arpt_standard_target __read_mostly = {
.name = ARPT_STANDARD_TARGET,
.targetsize = sizeof(int),
.family = NF_ARP,
@@ -1795,7 +1795,7 @@ static struct arpt_target arpt_standard_target __read_mostly = {
#endif
};
-static struct arpt_target arpt_error_target __read_mostly = {
+static struct xt_target arpt_error_target __read_mostly = {
.name = ARPT_ERROR_TARGET,
.target = arpt_error,
.targetsize = ARPT_FUNCTION_MAXNAMELEN,