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netfilter: x_tables: remove paranoia tests

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No need for these.
There is only one caller, the xtables core, when the table is registered
for the first time with a particular network namespace.

After ->table_init() call, the table is linked into the tables[af] list,
so next call to that function will skip the ->table_init().

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2021-04-21 09:51:05 +02:00 committed by Pablo Neira Ayuso
parent 4d70539919
commit f68772ed67
11 changed files with 0 additions and 33 deletions
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3
net/ipv4/netfilter/arptable_filter.c
View File

@ -44,9 +44,6 @@ static int __net_init arptable_filter_table_init(struct net *net)
struct arpt_replace *repl;
int err;
if (net->ipv4.arptable_filter)
return 0;
repl = arpt_alloc_initial_table(&packet_filter);
if (repl == NULL)
return -ENOMEM;

3
net/ipv4/netfilter/iptable_filter.c
View File

@ -48,9 +48,6 @@ static int __net_init iptable_filter_table_init(struct net *net)
struct ipt_replace *repl;
int err;
if (net->ipv4.iptable_filter)
return 0;
repl = ipt_alloc_initial_table(&packet_filter);
if (repl == NULL)
return -ENOMEM;

3
net/ipv4/netfilter/iptable_mangle.c
View File

@ -88,9 +88,6 @@ static int __net_init iptable_mangle_table_init(struct net *net)
struct ipt_replace *repl;
int ret;
if (net->ipv4.iptable_mangle)
return 0;
repl = ipt_alloc_initial_table(&packet_mangler);
if (repl == NULL)
return -ENOMEM;

3
net/ipv4/netfilter/iptable_nat.c
View File

@ -90,9 +90,6 @@ static int __net_init iptable_nat_table_init(struct net *net)
struct ipt_replace *repl;
int ret;
if (net->ipv4.nat_table)
return 0;
repl = ipt_alloc_initial_table(&nf_nat_ipv4_table);
if (repl == NULL)
return -ENOMEM;

3
net/ipv4/netfilter/iptable_raw.c
View File

@ -55,9 +55,6 @@ static int __net_init iptable_raw_table_init(struct net *net)
if (raw_before_defrag)
table = &packet_raw_before_defrag;
if (net->ipv4.iptable_raw)
return 0;
repl = ipt_alloc_initial_table(table);
if (repl == NULL)
return -ENOMEM;

3
net/ipv4/netfilter/iptable_security.c
View File

@ -50,9 +50,6 @@ static int __net_init iptable_security_table_init(struct net *net)
struct ipt_replace *repl;
int ret;
if (net->ipv4.iptable_security)
return 0;
repl = ipt_alloc_initial_table(&security_table);
if (repl == NULL)
return -ENOMEM;

3
net/ipv6/netfilter/ip6table_filter.c
View File

@ -49,9 +49,6 @@ static int __net_init ip6table_filter_table_init(struct net *net)
struct ip6t_replace *repl;
int err;
if (net->ipv6.ip6table_filter)
return 0;
repl = ip6t_alloc_initial_table(&packet_filter);
if (repl == NULL)
return -ENOMEM;

3
net/ipv6/netfilter/ip6table_mangle.c
View File

@ -81,9 +81,6 @@ static int __net_init ip6table_mangle_table_init(struct net *net)
struct ip6t_replace *repl;
int ret;
if (net->ipv6.ip6table_mangle)
return 0;
repl = ip6t_alloc_initial_table(&packet_mangler);
if (repl == NULL)
return -ENOMEM;

3
net/ipv6/netfilter/ip6table_nat.c
View File

@ -92,9 +92,6 @@ static int __net_init ip6table_nat_table_init(struct net *net)
struct ip6t_replace *repl;
int ret;
if (net->ipv6.ip6table_nat)
return 0;
repl = ip6t_alloc_initial_table(&nf_nat_ipv6_table);
if (repl == NULL)
return -ENOMEM;

3
net/ipv6/netfilter/ip6table_raw.c
View File

@ -54,9 +54,6 @@ static int __net_init ip6table_raw_table_init(struct net *net)
if (raw_before_defrag)
table = &packet_raw_before_defrag;
if (net->ipv6.ip6table_raw)
return 0;
repl = ip6t_alloc_initial_table(table);
if (repl == NULL)
return -ENOMEM;

3
net/ipv6/netfilter/ip6table_security.c
View File

@ -49,9 +49,6 @@ static int __net_init ip6table_security_table_init(struct net *net)
struct ip6t_replace *repl;
int ret;
if (net->ipv6.ip6table_security)
return 0;
repl = ip6t_alloc_initial_table(&security_table);
if (repl == NULL)
return -ENOMEM;