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author | Florian Westphal <fw@strlen.de> | 2021-04-21 09:51:04 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-04-26 03:20:46 +0200 |
commit | 4d705399191c3cfe1264588b3a4a8115e6c3b161 (patch) | |
tree | 8f8703df0d93dfbb6ad9f5b396082a09a24c7396 /net/ipv4/netfilter | |
parent | 6c0717545f2ca61c95f5f739da845e77cc8bd498 (diff) | |
download | linux-4d705399191c3cfe1264588b3a4a8115e6c3b161.tar.gz linux-4d705399191c3cfe1264588b3a4a8115e6c3b161.tar.bz2 linux-4d705399191c3cfe1264588b3a4a8115e6c3b161.zip |
netfilter: arptables: unregister the tables by name
and again, this time for arptables.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv4/netfilter')
-rw-r--r-- | net/ipv4/netfilter/arp_tables.c | 14 | ||||
-rw-r--r-- | net/ipv4/netfilter/arptable_filter.c | 8 |
2 files changed, 12 insertions, 10 deletions
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index d6d45d820d79..8a16b0dc5271 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -1541,16 +1541,22 @@ out_free: return ret; } -void arpt_unregister_table_pre_exit(struct net *net, struct xt_table *table, +void arpt_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_ARP, name); + + if (table) + nf_unregister_net_hooks(net, ops, hweight32(table->valid_hooks)); } EXPORT_SYMBOL(arpt_unregister_table_pre_exit); -void arpt_unregister_table(struct net *net, struct xt_table *table) +void arpt_unregister_table(struct net *net, const char *name) { - __arpt_unregister_table(net, table); + struct xt_table *table = xt_find_table(net, NFPROTO_ARP, name); + + if (table) + __arpt_unregister_table(net, table); } /* The built-in targets: standard (NULL) and error. */ diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c index 6c300ba5634e..c121e13dc78c 100644 --- a/net/ipv4/netfilter/arptable_filter.c +++ b/net/ipv4/netfilter/arptable_filter.c @@ -58,16 +58,12 @@ static int __net_init arptable_filter_table_init(struct net *net) static void __net_exit arptable_filter_net_pre_exit(struct net *net) { - if (net->ipv4.arptable_filter) - arpt_unregister_table_pre_exit(net, net->ipv4.arptable_filter, - arpfilter_ops); + arpt_unregister_table_pre_exit(net, "filter", arpfilter_ops); } static void __net_exit arptable_filter_net_exit(struct net *net) { - if (!net->ipv4.arptable_filter) - return; - arpt_unregister_table(net, net->ipv4.arptable_filter); + arpt_unregister_table(net, "filter"); net->ipv4.arptable_filter = NULL; } |