diff options
author | Florian Westphal <fw@strlen.de> | 2021-04-21 09:51:03 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-04-26 03:20:46 +0200 |
commit | 6c0717545f2ca61c95f5f739da845e77cc8bd498 (patch) | |
tree | 2d91c8bdb12f25d259eb59829d42e5759f01e3a5 /net/ipv6/netfilter | |
parent | 20a9df33594fe643f9cf46375a9243e3ab8ed3a6 (diff) | |
download | linux-6c0717545f2ca61c95f5f739da845e77cc8bd498.tar.bz2 |
netfilter: ip6tables: unregister the tables by name
Same as the previous patch, but for ip6tables.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv6/netfilter')
-rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 14 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6table_filter.c | 9 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6table_mangle.c | 9 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6table_nat.c | 6 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6table_raw.c | 9 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6table_security.c | 8 |
6 files changed, 22 insertions, 33 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index e605c28cfed5..11c80da12ee3 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -1769,15 +1769,21 @@ out_free: return ret; } -void ip6t_unregister_table_pre_exit(struct net *net, struct xt_table *table, +void ip6t_unregister_table_pre_exit(struct net *net, const char *name, const struct nf_hook_ops *ops) { - nf_unregister_net_hooks(net, ops, hweight32(table->valid_hooks)); + struct xt_table *table = xt_find_table(net, NFPROTO_IPV6, name); + + if (table) + nf_unregister_net_hooks(net, ops, hweight32(table->valid_hooks)); } -void ip6t_unregister_table_exit(struct net *net, struct xt_table *table) +void ip6t_unregister_table_exit(struct net *net, const char *name) { - __ip6t_unregister_table(net, table); + struct xt_table *table = xt_find_table(net, NFPROTO_IPV6, name); + + if (table) + __ip6t_unregister_table(net, table); } /* Returns 1 if the type and code is matched by the range, 0 otherwise */ diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c index 88337b51ffbf..0c9f75e23ca0 100644 --- a/net/ipv6/netfilter/ip6table_filter.c +++ b/net/ipv6/netfilter/ip6table_filter.c @@ -75,16 +75,13 @@ static int __net_init ip6table_filter_net_init(struct net *net) static void __net_exit ip6table_filter_net_pre_exit(struct net *net) { - if (net->ipv6.ip6table_filter) - ip6t_unregister_table_pre_exit(net, net->ipv6.ip6table_filter, - filter_ops); + ip6t_unregister_table_pre_exit(net, "filter", + filter_ops); } static void __net_exit ip6table_filter_net_exit(struct net *net) { - if (!net->ipv6.ip6table_filter) - return; - ip6t_unregister_table_exit(net, net->ipv6.ip6table_filter); + ip6t_unregister_table_exit(net, "filter"); net->ipv6.ip6table_filter = NULL; } diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c index cee74803d7a1..9a2266662508 100644 --- a/net/ipv6/netfilter/ip6table_mangle.c +++ b/net/ipv6/netfilter/ip6table_mangle.c @@ -95,17 +95,12 @@ static int __net_init ip6table_mangle_table_init(struct net *net) static void __net_exit ip6table_mangle_net_pre_exit(struct net *net) { - if (net->ipv6.ip6table_mangle) - ip6t_unregister_table_pre_exit(net, net->ipv6.ip6table_mangle, - mangle_ops); + ip6t_unregister_table_pre_exit(net, "mangle", mangle_ops); } static void __net_exit ip6table_mangle_net_exit(struct net *net) { - if (!net->ipv6.ip6table_mangle) - return; - - ip6t_unregister_table_exit(net, net->ipv6.ip6table_mangle); + ip6t_unregister_table_exit(net, "mangle"); net->ipv6.ip6table_mangle = NULL; } diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c index 4cef1b405074..7eb61e6b1e52 100644 --- a/net/ipv6/netfilter/ip6table_nat.c +++ b/net/ipv6/netfilter/ip6table_nat.c @@ -107,7 +107,7 @@ static int __net_init ip6table_nat_table_init(struct net *net) ret = ip6t_nat_register_lookups(net); if (ret < 0) { - ip6t_unregister_table_exit(net, net->ipv6.ip6table_nat); + ip6t_unregister_table_exit(net, "nat"); net->ipv6.ip6table_nat = NULL; } kfree(repl); @@ -122,9 +122,7 @@ static void __net_exit ip6table_nat_net_pre_exit(struct net *net) static void __net_exit ip6table_nat_net_exit(struct net *net) { - if (!net->ipv6.ip6table_nat) - return; - ip6t_unregister_table_exit(net, net->ipv6.ip6table_nat); + ip6t_unregister_table_exit(net, "nat"); net->ipv6.ip6table_nat = NULL; } diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c index 8f9e742226f7..c9a4aada40ba 100644 --- a/net/ipv6/netfilter/ip6table_raw.c +++ b/net/ipv6/netfilter/ip6table_raw.c @@ -68,16 +68,13 @@ static int __net_init ip6table_raw_table_init(struct net *net) static void __net_exit ip6table_raw_net_pre_exit(struct net *net) { - if (net->ipv6.ip6table_raw) - ip6t_unregister_table_pre_exit(net, net->ipv6.ip6table_raw, - rawtable_ops); + ip6t_unregister_table_pre_exit(net, "raw", + rawtable_ops); } static void __net_exit ip6table_raw_net_exit(struct net *net) { - if (!net->ipv6.ip6table_raw) - return; - ip6t_unregister_table_exit(net, net->ipv6.ip6table_raw); + ip6t_unregister_table_exit(net, "raw"); net->ipv6.ip6table_raw = NULL; } diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c index 5e8c48fed032..73067e08662f 100644 --- a/net/ipv6/netfilter/ip6table_security.c +++ b/net/ipv6/netfilter/ip6table_security.c @@ -63,16 +63,12 @@ static int __net_init ip6table_security_table_init(struct net *net) static void __net_exit ip6table_security_net_pre_exit(struct net *net) { - if (net->ipv6.ip6table_security) - ip6t_unregister_table_pre_exit(net, net->ipv6.ip6table_security, - sectbl_ops); + ip6t_unregister_table_pre_exit(net, "security", sectbl_ops); } static void __net_exit ip6table_security_net_exit(struct net *net) { - if (!net->ipv6.ip6table_security) - return; - ip6t_unregister_table_exit(net, net->ipv6.ip6table_security); + ip6t_unregister_table_exit(net, "security"); net->ipv6.ip6table_security = NULL; } |