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netfilter: nftables: add helper function to release hooks of one single table

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Add a function to release the hooks of one single table.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2021-02-15 12:27:08 +01:00
parent fd020332c1
commit 00dfe9bebd
1 changed files with 10 additions and 5 deletions
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15
net/netfilter/nf_tables_api.c
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@ -8988,15 +8988,20 @@ int __nft_release_basechain(struct nft_ctx *ctx)
} }
EXPORT_SYMBOL_GPL(__nft_release_basechain); EXPORT_SYMBOL_GPL(__nft_release_basechain);
static void __nft_release_hook(struct net *net, struct nft_table *table)
{
struct nft_chain *chain;
list_for_each_entry(chain, &table->chains, list)
nf_tables_unregister_hook(net, table, chain);
}
static void __nft_release_hooks(struct net *net) static void __nft_release_hooks(struct net *net)
{ {
struct nft_table *table; struct nft_table *table;
struct nft_chain *chain;
list_for_each_entry(table, &net->nft.tables, list) { list_for_each_entry(table, &net->nft.tables, list)
list_for_each_entry(chain, &table->chains, list) __nft_release_hook(net, table);
nf_tables_unregister_hook(net, table, chain);
}
} }
static void __nft_release_table(struct net *net, struct nft_table *table) static void __nft_release_table(struct net *net, struct nft_table *table)