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[NETFILTER]: annotate {arp,ip,ip6,x}tables with const 

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Jan Engelhardt 2008-04-14 11:15:35 +02:00 committed by Patrick McHardy
parent 3cf93c96af
commit 5452e425ad
6 changed files with 59 additions and 56 deletions
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4
include/linux/netfilter/x_tables.h
View File

@ -430,13 +430,13 @@ extern int xt_compat_add_offset(int af, unsigned int offset, short delta);
extern void xt_compat_flush_offsets(int af); extern void xt_compat_flush_offsets(int af);
extern short xt_compat_calc_jump(int af, unsigned int offset); extern short xt_compat_calc_jump(int af, unsigned int offset);
extern int xt_compat_match_offset(struct xt_match *match); extern int xt_compat_match_offset(const struct xt_match *match);
extern int xt_compat_match_from_user(struct xt_entry_match *m, extern int xt_compat_match_from_user(struct xt_entry_match *m,
void **dstptr, unsigned int *size); void **dstptr, unsigned int *size);
extern int xt_compat_match_to_user(struct xt_entry_match *m, extern int xt_compat_match_to_user(struct xt_entry_match *m,
void __user **dstptr, unsigned int *size); void __user **dstptr, unsigned int *size);
extern int xt_compat_target_offset(struct xt_target *target); extern int xt_compat_target_offset(const struct xt_target *target);
extern void xt_compat_target_from_user(struct xt_entry_target *t, extern void xt_compat_target_from_user(struct xt_entry_target *t,
void **dstptr, unsigned int *size); void **dstptr, unsigned int *size);
extern int xt_compat_target_to_user(struct xt_entry_target *t, extern int xt_compat_target_to_user(struct xt_entry_target *t,

31
net/ipv4/netfilter/arp_tables.c
View File

@ -59,7 +59,7 @@ do { \
#endif #endif
static inline int arp_devaddr_compare(const struct arpt_devaddr_info *ap, 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; int i, ret;
@ -80,8 +80,8 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
const char *outdev, const char *outdev,
const struct arpt_arp *arpinfo) const struct arpt_arp *arpinfo)
{ {
char *arpptr = (char *)(arphdr + 1); const char *arpptr = (char *)(arphdr + 1);
char *src_devaddr, *tgt_devaddr; const char *src_devaddr, *tgt_devaddr;
__be32 src_ipaddr, tgt_ipaddr; __be32 src_ipaddr, tgt_ipaddr;
int i, ret; int i, ret;
@ -226,12 +226,12 @@ unsigned int arpt_do_table(struct sk_buff *skb,
{ {
static const char nulldevname[IFNAMSIZ]; static const char nulldevname[IFNAMSIZ];
unsigned int verdict = NF_DROP; unsigned int verdict = NF_DROP;
struct arphdr *arp; const struct arphdr *arp;
bool hotdrop = false; bool hotdrop = false;
struct arpt_entry *e, *back; struct arpt_entry *e, *back;
const char *indev, *outdev; const char *indev, *outdev;
void *table_base; void *table_base;
struct xt_table_info *private; const struct xt_table_info *private;
if (!pskb_may_pull(skb, arp_hdr_len(skb->dev))) if (!pskb_may_pull(skb, arp_hdr_len(skb->dev)))
return NF_DROP; return NF_DROP;
@ -352,7 +352,7 @@ static int mark_source_chains(struct xt_table_info *newinfo,
e->counters.pcnt = pos; e->counters.pcnt = pos;
for (;;) { for (;;) {
struct arpt_standard_target *t const struct arpt_standard_target *t
= (void *)arpt_get_target(e); = (void *)arpt_get_target(e);
int visited = e->comefrom & (1 << hook); 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) 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)) { if (!arp_checkentry(&e->arp)) {
duprintf("arp_tables: arp check failed %p %s.\n", e, name); duprintf("arp_tables: arp check failed %p %s.\n", e, name);
@ -710,7 +710,7 @@ static inline struct xt_counters *alloc_counters(struct arpt_table *table)
{ {
unsigned int countersize; unsigned int countersize;
struct xt_counters *counters; 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 /* We need atomic snapshot of counters: rest doesn't change
* (other than comefrom, which userspace doesn't care * (other than comefrom, which userspace doesn't care
@ -737,7 +737,7 @@ static int copy_entries_to_user(unsigned int total_size,
unsigned int off, num; unsigned int off, num;
struct arpt_entry *e; struct arpt_entry *e;
struct xt_counters *counters; struct xt_counters *counters;
struct xt_table_info *private = table->private; const struct xt_table_info *private = table->private;
int ret = 0; int ret = 0;
void *loc_cpu_entry; void *loc_cpu_entry;
@ -872,7 +872,7 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
"arptable_%s", name); "arptable_%s", name);
if (t && !IS_ERR(t)) { if (t && !IS_ERR(t)) {
struct arpt_getinfo info; struct arpt_getinfo info;
struct xt_table_info *private = t->private; const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
if (compat) { if (compat) {
@ -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); t = xt_find_table_lock(net, NF_ARP, get.name);
if (t && !IS_ERR(t)) { 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", duprintf("t->private->number = %u\n",
private->number); private->number);
if (get.size == private->size) if (get.size == private->size)
@ -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_info tmp;
struct xt_counters *paddc; struct xt_counters *paddc;
unsigned int num_counters; unsigned int num_counters;
char *name; const char *name;
int size; int size;
void *ptmp; void *ptmp;
struct arpt_table *t; struct arpt_table *t;
struct xt_table_info *private; const struct xt_table_info *private;
int ret = 0; int ret = 0;
void *loc_cpu_entry; void *loc_cpu_entry;
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
@ -1558,7 +1559,7 @@ static int compat_copy_entries_to_user(unsigned int total_size,
void __user *userptr) void __user *userptr)
{ {
struct xt_counters *counters; struct xt_counters *counters;
struct xt_table_info *private = table->private; const struct xt_table_info *private = table->private;
void __user *pos; void __user *pos;
unsigned int size; unsigned int size;
int ret = 0; int ret = 0;
@ -1609,7 +1610,7 @@ static int compat_get_entries(struct net *net,
xt_compat_lock(NF_ARP); xt_compat_lock(NF_ARP);
t = xt_find_table_lock(net, NF_ARP, get.name); t = xt_find_table_lock(net, NF_ARP, get.name);
if (t && !IS_ERR(t)) { 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; struct xt_table_info info;
duprintf("t->private->number = %u\n", private->number); duprintf("t->private->number = %u\n", private->number);

2
net/ipv4/netfilter/arpt_mangle.c
View File

@ -15,7 +15,7 @@ target(struct sk_buff *skb,
const void *targinfo) const void *targinfo)
{ {
const struct arpt_mangle *mangle = targinfo; const struct arpt_mangle *mangle = targinfo;
struct arphdr *arp; const struct arphdr *arp;
unsigned char *arpptr; unsigned char *arpptr;
int pln, hln; int pln, hln;

31
net/ipv4/netfilter/ip_tables.c
View File

@ -296,7 +296,7 @@ static void trace_packet(struct sk_buff *skb,
struct ipt_entry *e) struct ipt_entry *e)
{ {
void *table_base; void *table_base;
struct ipt_entry *root; const struct ipt_entry *root;
char *hookname, *chainname, *comment; char *hookname, *chainname, *comment;
unsigned int rulenum = 0; unsigned int rulenum = 0;
@ -327,7 +327,7 @@ ipt_do_table(struct sk_buff *skb,
{ {
static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
u_int16_t offset; u_int16_t offset;
struct iphdr *ip; const struct iphdr *ip;
u_int16_t datalen; u_int16_t datalen;
bool hotdrop = false; bool hotdrop = false;
/* Initializing verdict to NF_DROP keeps gcc happy. */ /* Initializing verdict to NF_DROP keeps gcc happy. */
@ -926,7 +926,7 @@ static struct xt_counters * alloc_counters(struct xt_table *table)
{ {
unsigned int countersize; unsigned int countersize;
struct xt_counters *counters; 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 /* We need atomic snapshot of counters: rest doesn't change
(other than comefrom, which userspace doesn't care (other than comefrom, which userspace doesn't care
@ -953,9 +953,9 @@ copy_entries_to_user(unsigned int total_size,
unsigned int off, num; unsigned int off, num;
struct ipt_entry *e; struct ipt_entry *e;
struct xt_counters *counters; struct xt_counters *counters;
struct xt_table_info *private = table->private; const struct xt_table_info *private = table->private;
int ret = 0; int ret = 0;
void *loc_cpu_entry; const void *loc_cpu_entry;
counters = alloc_counters(table); counters = alloc_counters(table);
if (IS_ERR(counters)) if (IS_ERR(counters))
@ -975,8 +975,8 @@ copy_entries_to_user(unsigned int total_size,
/* ... then go back and fix counters and names */ /* ... then go back and fix counters and names */
for (off = 0, num = 0; off < total_size; off += e->next_offset, num++){ for (off = 0, num = 0; off < total_size; off += e->next_offset, num++){
unsigned int i; unsigned int i;
struct ipt_entry_match *m; const struct ipt_entry_match *m;
struct ipt_entry_target *t; const struct ipt_entry_target *t;
e = (struct ipt_entry *)(loc_cpu_entry + off); e = (struct ipt_entry *)(loc_cpu_entry + off);
if (copy_to_user(userptr + off if (copy_to_user(userptr + off
@ -1116,7 +1116,7 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
"iptable_%s", name); "iptable_%s", name);
if (t && !IS_ERR(t)) { if (t && !IS_ERR(t)) {
struct ipt_getinfo info; struct ipt_getinfo info;
struct xt_table_info *private = t->private; const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
if (compat) { if (compat) {
@ -1172,7 +1172,7 @@ get_entries(struct net *net, struct ipt_get_entries __user *uptr, int *len)
t = xt_find_table_lock(net, AF_INET, get.name); t = xt_find_table_lock(net, AF_INET, get.name);
if (t && !IS_ERR(t)) { 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); duprintf("t->private->number = %u\n", private->number);
if (get.size == private->size) if (get.size == private->size)
ret = copy_entries_to_user(private->size, ret = copy_entries_to_user(private->size,
@ -1337,11 +1337,11 @@ do_add_counters(struct net *net, void __user *user, unsigned int len, int compat
struct xt_counters_info tmp; struct xt_counters_info tmp;
struct xt_counters *paddc; struct xt_counters *paddc;
unsigned int num_counters; unsigned int num_counters;
char *name; const char *name;
int size; int size;
void *ptmp; void *ptmp;
struct xt_table *t; struct xt_table *t;
struct xt_table_info *private; const struct xt_table_info *private;
int ret = 0; int ret = 0;
void *loc_cpu_entry; void *loc_cpu_entry;
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
@ -1878,11 +1878,11 @@ compat_copy_entries_to_user(unsigned int total_size, struct xt_table *table,
void __user *userptr) void __user *userptr)
{ {
struct xt_counters *counters; struct xt_counters *counters;
struct xt_table_info *private = table->private; const struct xt_table_info *private = table->private;
void __user *pos; void __user *pos;
unsigned int size; unsigned int size;
int ret = 0; int ret = 0;
void *loc_cpu_entry; const void *loc_cpu_entry;
unsigned int i = 0; unsigned int i = 0;
counters = alloc_counters(table); counters = alloc_counters(table);
@ -1929,7 +1929,7 @@ compat_get_entries(struct net *net, struct compat_ipt_get_entries __user *uptr,
xt_compat_lock(AF_INET); xt_compat_lock(AF_INET);
t = xt_find_table_lock(net, AF_INET, get.name); t = xt_find_table_lock(net, AF_INET, get.name);
if (t && !IS_ERR(t)) { 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; struct xt_table_info info;
duprintf("t->private->number = %u\n", private->number); duprintf("t->private->number = %u\n", private->number);
ret = compat_table_info(private, &info); ret = compat_table_info(private, &info);
@ -2130,7 +2130,8 @@ icmp_match(const struct sk_buff *skb,
unsigned int protoff, unsigned int protoff,
bool *hotdrop) bool *hotdrop)
{ {
struct icmphdr _icmph, *ic; const struct icmphdr *ic;
struct icmphdr _icmph;
const struct ipt_icmp *icmpinfo = matchinfo; const struct ipt_icmp *icmpinfo = matchinfo;
/* Must not be a fragment. */ /* Must not be a fragment. */

29
net/ipv6/netfilter/ip6_tables.c
View File

@ -325,7 +325,7 @@ static void trace_packet(struct sk_buff *skb,
struct ip6t_entry *e) struct ip6t_entry *e)
{ {
void *table_base; void *table_base;
struct ip6t_entry *root; const struct ip6t_entry *root;
char *hookname, *chainname, *comment; char *hookname, *chainname, *comment;
unsigned int rulenum = 0; unsigned int rulenum = 0;
@ -952,7 +952,7 @@ static struct xt_counters *alloc_counters(struct xt_table *table)
{ {
unsigned int countersize; unsigned int countersize;
struct xt_counters *counters; 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 /* We need atomic snapshot of counters: rest doesn't change
(other than comefrom, which userspace doesn't care (other than comefrom, which userspace doesn't care
@ -979,9 +979,9 @@ copy_entries_to_user(unsigned int total_size,
unsigned int off, num; unsigned int off, num;
struct ip6t_entry *e; struct ip6t_entry *e;
struct xt_counters *counters; struct xt_counters *counters;
struct xt_table_info *private = table->private; const struct xt_table_info *private = table->private;
int ret = 0; int ret = 0;
void *loc_cpu_entry; const void *loc_cpu_entry;
counters = alloc_counters(table); counters = alloc_counters(table);
if (IS_ERR(counters)) if (IS_ERR(counters))
@ -1001,8 +1001,8 @@ copy_entries_to_user(unsigned int total_size,
/* ... then go back and fix counters and names */ /* ... then go back and fix counters and names */
for (off = 0, num = 0; off < total_size; off += e->next_offset, num++){ for (off = 0, num = 0; off < total_size; off += e->next_offset, num++){
unsigned int i; unsigned int i;
struct ip6t_entry_match *m; const struct ip6t_entry_match *m;
struct ip6t_entry_target *t; const struct ip6t_entry_target *t;
e = (struct ip6t_entry *)(loc_cpu_entry + off); e = (struct ip6t_entry *)(loc_cpu_entry + off);
if (copy_to_user(userptr + off if (copy_to_user(userptr + off
@ -1142,7 +1142,7 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
"ip6table_%s", name); "ip6table_%s", name);
if (t && !IS_ERR(t)) { if (t && !IS_ERR(t)) {
struct ip6t_getinfo info; struct ip6t_getinfo info;
struct xt_table_info *private = t->private; const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
if (compat) { if (compat) {
@ -1225,7 +1225,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks,
struct xt_table *t; struct xt_table *t;
struct xt_table_info *oldinfo; struct xt_table_info *oldinfo;
struct xt_counters *counters; struct xt_counters *counters;
void *loc_cpu_old_entry; const void *loc_cpu_old_entry;
ret = 0; ret = 0;
counters = vmalloc_node(num_counters * sizeof(struct xt_counters), counters = vmalloc_node(num_counters * sizeof(struct xt_counters),
@ -1369,9 +1369,9 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
int size; int size;
void *ptmp; void *ptmp;
struct xt_table *t; struct xt_table *t;
struct xt_table_info *private; const struct xt_table_info *private;
int ret = 0; int ret = 0;
void *loc_cpu_entry; const void *loc_cpu_entry;
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
struct compat_xt_counters_info compat_tmp; struct compat_xt_counters_info compat_tmp;
@ -1905,11 +1905,11 @@ compat_copy_entries_to_user(unsigned int total_size, struct xt_table *table,
void __user *userptr) void __user *userptr)
{ {
struct xt_counters *counters; struct xt_counters *counters;
struct xt_table_info *private = table->private; const struct xt_table_info *private = table->private;
void __user *pos; void __user *pos;
unsigned int size; unsigned int size;
int ret = 0; int ret = 0;
void *loc_cpu_entry; const void *loc_cpu_entry;
unsigned int i = 0; unsigned int i = 0;
counters = alloc_counters(table); counters = alloc_counters(table);
@ -1956,7 +1956,7 @@ compat_get_entries(struct net *net, struct compat_ip6t_get_entries __user *uptr,
xt_compat_lock(AF_INET6); xt_compat_lock(AF_INET6);
t = xt_find_table_lock(net, AF_INET6, get.name); t = xt_find_table_lock(net, AF_INET6, get.name);
if (t && !IS_ERR(t)) { 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; struct xt_table_info info;
duprintf("t->private->number = %u\n", private->number); duprintf("t->private->number = %u\n", private->number);
ret = compat_table_info(private, &info); ret = compat_table_info(private, &info);
@ -2155,7 +2155,8 @@ icmp6_match(const struct sk_buff *skb,
unsigned int protoff, unsigned int protoff,
bool *hotdrop) bool *hotdrop)
{ {
struct icmp6hdr _icmph, *ic; const struct icmp6hdr *ic;
struct icmp6hdr _icmph;
const struct ip6t_icmp *icmpinfo = matchinfo; const struct ip6t_icmp *icmpinfo = matchinfo;
/* Must not be a fragment. */ /* Must not be a fragment. */

18
net/netfilter/x_tables.c
View File

@ -58,7 +58,7 @@ static struct xt_af *xt;
#define duprintf(format, args...) #define duprintf(format, args...)
#endif #endif
static const char *xt_prefix[NPROTO] = { static const char *const xt_prefix[NPROTO] = {
[AF_INET] = "ip", [AF_INET] = "ip",
[AF_INET6] = "ip6", [AF_INET6] = "ip6",
[NF_ARP] = "arp", [NF_ARP] = "arp",
@ -248,7 +248,7 @@ EXPORT_SYMBOL_GPL(xt_request_find_target);
static int match_revfn(int af, const char *name, u8 revision, int *bestp) static int match_revfn(int af, const char *name, u8 revision, int *bestp)
{ {
struct xt_match *m; const struct xt_match *m;
int have_rev = 0; int have_rev = 0;
list_for_each_entry(m, &xt[af].match, list) { list_for_each_entry(m, &xt[af].match, list) {
@ -264,7 +264,7 @@ static int match_revfn(int af, const char *name, u8 revision, int *bestp)
static int target_revfn(int af, const char *name, u8 revision, int *bestp) static int target_revfn(int af, const char *name, u8 revision, int *bestp)
{ {
struct xt_target *t; const struct xt_target *t;
int have_rev = 0; int have_rev = 0;
list_for_each_entry(t, &xt[af].target, list) { list_for_each_entry(t, &xt[af].target, list) {
@ -385,7 +385,7 @@ short xt_compat_calc_jump(int af, unsigned int offset)
} }
EXPORT_SYMBOL_GPL(xt_compat_calc_jump); EXPORT_SYMBOL_GPL(xt_compat_calc_jump);
int xt_compat_match_offset(struct xt_match *match) int xt_compat_match_offset(const struct xt_match *match)
{ {
u_int16_t csize = match->compatsize ? : match->matchsize; u_int16_t csize = match->compatsize ? : match->matchsize;
return XT_ALIGN(match->matchsize) - COMPAT_XT_ALIGN(csize); return XT_ALIGN(match->matchsize) - COMPAT_XT_ALIGN(csize);
@ -395,7 +395,7 @@ EXPORT_SYMBOL_GPL(xt_compat_match_offset);
int xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr, int xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
unsigned int *size) unsigned int *size)
{ {
struct xt_match *match = m->u.kernel.match; const struct xt_match *match = m->u.kernel.match;
struct compat_xt_entry_match *cm = (struct compat_xt_entry_match *)m; struct compat_xt_entry_match *cm = (struct compat_xt_entry_match *)m;
int pad, off = xt_compat_match_offset(match); int pad, off = xt_compat_match_offset(match);
u_int16_t msize = cm->u.user.match_size; u_int16_t msize = cm->u.user.match_size;
@ -422,7 +422,7 @@ EXPORT_SYMBOL_GPL(xt_compat_match_from_user);
int xt_compat_match_to_user(struct xt_entry_match *m, void __user **dstptr, int xt_compat_match_to_user(struct xt_entry_match *m, void __user **dstptr,
unsigned int *size) unsigned int *size)
{ {
struct xt_match *match = m->u.kernel.match; const struct xt_match *match = m->u.kernel.match;
struct compat_xt_entry_match __user *cm = *dstptr; struct compat_xt_entry_match __user *cm = *dstptr;
int off = xt_compat_match_offset(match); int off = xt_compat_match_offset(match);
u_int16_t msize = m->u.user.match_size - off; u_int16_t msize = m->u.user.match_size - off;
@ -479,7 +479,7 @@ int xt_check_target(const struct xt_target *target, unsigned short family,
EXPORT_SYMBOL_GPL(xt_check_target); EXPORT_SYMBOL_GPL(xt_check_target);
#ifdef CONFIG_COMPAT #ifdef CONFIG_COMPAT
int xt_compat_target_offset(struct xt_target *target) int xt_compat_target_offset(const struct xt_target *target)
{ {
u_int16_t csize = target->compatsize ? : target->targetsize; u_int16_t csize = target->compatsize ? : target->targetsize;
return XT_ALIGN(target->targetsize) - COMPAT_XT_ALIGN(csize); return XT_ALIGN(target->targetsize) - COMPAT_XT_ALIGN(csize);
@ -489,7 +489,7 @@ EXPORT_SYMBOL_GPL(xt_compat_target_offset);
void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr, void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
unsigned int *size) unsigned int *size)
{ {
struct xt_target *target = t->u.kernel.target; const struct xt_target *target = t->u.kernel.target;
struct compat_xt_entry_target *ct = (struct compat_xt_entry_target *)t; struct compat_xt_entry_target *ct = (struct compat_xt_entry_target *)t;
int pad, off = xt_compat_target_offset(target); int pad, off = xt_compat_target_offset(target);
u_int16_t tsize = ct->u.user.target_size; u_int16_t tsize = ct->u.user.target_size;
@ -515,7 +515,7 @@ EXPORT_SYMBOL_GPL(xt_compat_target_from_user);
int xt_compat_target_to_user(struct xt_entry_target *t, void __user **dstptr, int xt_compat_target_to_user(struct xt_entry_target *t, void __user **dstptr,
unsigned int *size) unsigned int *size)
{ {
struct xt_target *target = t->u.kernel.target; const struct xt_target *target = t->u.kernel.target;
struct compat_xt_entry_target __user *ct = *dstptr; struct compat_xt_entry_target __user *ct = *dstptr;
int off = xt_compat_target_offset(target); int off = xt_compat_target_offset(target);
u_int16_t tsize = t->u.user.target_size - off; u_int16_t tsize = t->u.user.target_size - off;