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[NETFILTER]: x_tables: change xt_table_register() return value convention 

Switch from 0/-E to ptr/PTR_ERR convention.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-01-31 04:01:49 -08:00 committed by David S. Miller
parent 30083c9500
commit a98da11d88
5 changed files with 23 additions and 18 deletions
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6
include/linux/netfilter/x_tables.h
View File

@ -335,9 +335,9 @@ extern int xt_check_target(const struct xt_target *target, unsigned short family
unsigned int size, const char *table, unsigned int hook,
unsigned short proto, int inv_proto);
extern int xt_register_table(struct xt_table *table,
struct xt_table_info *bootstrap,
struct xt_table_info *newinfo);
extern struct xt_table *xt_register_table(struct xt_table *table,
struct xt_table_info *bootstrap,
struct xt_table_info *newinfo);
extern void *xt_unregister_table(struct xt_table *table);
extern struct xt_table_info *xt_replace_table(struct xt_table *table,

7
net/ipv4/netfilter/arp_tables.c
View File

@ -1727,6 +1727,7 @@ int arpt_register_table(struct arpt_table *table,
struct xt_table_info bootstrap
= { 0, 0, 0, { 0 }, { 0 }, { } };
void *loc_cpu_entry;
struct xt_table *new_table;
newinfo = xt_alloc_table_info(repl->size);
if (!newinfo) {
@ -1750,10 +1751,10 @@ int arpt_register_table(struct arpt_table *table,
return ret;
}
ret = xt_register_table(table, &bootstrap, newinfo);
if (ret != 0) {
new_table = xt_register_table(table, &bootstrap, newinfo);
if (IS_ERR(new_table)) {
xt_free_table_info(newinfo);
return ret;
return PTR_ERR(new_table);
}
return 0;

7
net/ipv4/netfilter/ip_tables.c
View File

@ -2055,6 +2055,7 @@ int ipt_register_table(struct xt_table *table, const struct ipt_replace *repl)
struct xt_table_info bootstrap
= { 0, 0, 0, { 0 }, { 0 }, { } };
void *loc_cpu_entry;
struct xt_table *new_table;
newinfo = xt_alloc_table_info(repl->size);
if (!newinfo)
@ -2074,10 +2075,10 @@ int ipt_register_table(struct xt_table *table, const struct ipt_replace *repl)
return ret;
}
ret = xt_register_table(table, &bootstrap, newinfo);
if (ret != 0) {
new_table = xt_register_table(table, &bootstrap, newinfo);
if (IS_ERR(new_table)) {
xt_free_table_info(newinfo);
return ret;
return PTR_ERR(new_table);
}
return 0;

7
net/ipv6/netfilter/ip6_tables.c
View File

@ -2081,6 +2081,7 @@ int ip6t_register_table(struct xt_table *table, const struct ip6t_replace *repl)
struct xt_table_info bootstrap
= { 0, 0, 0, { 0 }, { 0 }, { } };
void *loc_cpu_entry;
struct xt_table *new_table;
newinfo = xt_alloc_table_info(repl->size);
if (!newinfo)
@ -2100,10 +2101,10 @@ int ip6t_register_table(struct xt_table *table, const struct ip6t_replace *repl)
return ret;
}
ret = xt_register_table(table, &bootstrap, newinfo);
if (ret != 0) {
new_table = xt_register_table(table, &bootstrap, newinfo);
if (IS_ERR(new_table)) {
xt_free_table_info(newinfo);
return ret;
return PTR_ERR(new_table);
}
return 0;

14
net/netfilter/x_tables.c
View File

@ -660,9 +660,9 @@ xt_replace_table(struct xt_table *table,
}
EXPORT_SYMBOL_GPL(xt_replace_table);
int xt_register_table(struct xt_table *table,
struct xt_table_info *bootstrap,
struct xt_table_info *newinfo)
struct xt_table *xt_register_table(struct xt_table *table,
struct xt_table_info *bootstrap,
struct xt_table_info *newinfo)
{
int ret;
struct xt_table_info *private;
@ -670,7 +670,7 @@ int xt_register_table(struct xt_table *table,
ret = mutex_lock_interruptible(&xt[table->af].mutex);
if (ret != 0)
return ret;
goto out;
/* Don't autoload: we'd eat our tail... */
list_for_each_entry(t, &xt[table->af].tables, list) {
@ -693,11 +693,13 @@ int xt_register_table(struct xt_table *table,
private->initial_entries = private->number;
list_add(&table->list, &xt[table->af].tables);
mutex_unlock(&xt[table->af].mutex);
return table;
ret = 0;
unlock:
mutex_unlock(&xt[table->af].mutex);
return ret;
out:
return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(xt_register_table);