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authorPablo Neira Ayuso <pablo@netfilter.org>2021-02-15 11:27:56 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2021-02-15 18:16:54 +0100
commitfd020332c1563624687a7ad8df119f40151f5f19 (patch)
tree0c73b19f39bffd2ffdefdb938a77ebc8d5c34ea0 /net/netfilter/nf_tables_api.c
parentc4762993129f48f5f5e233f09c246696815ef263 (diff)
netfilter: nftables: add helper function to release one table
Add a function to release one table. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
-rw-r--r--net/netfilter/nf_tables_api.c75
1 files changed, 40 insertions, 35 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index ab93a353651a..c2b89116dcef 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -8999,10 +8999,9 @@ static void __nft_release_hooks(struct net *net)
}
}
-static void __nft_release_tables(struct net *net)
+static void __nft_release_table(struct net *net, struct nft_table *table)
{
struct nft_flowtable *flowtable, *nf;
- struct nft_table *table, *nt;
struct nft_chain *chain, *nc;
struct nft_object *obj, *ne;
struct nft_rule *rule, *nr;
@@ -9012,41 +9011,47 @@ static void __nft_release_tables(struct net *net)
.family = NFPROTO_NETDEV,
};
- list_for_each_entry_safe(table, nt, &net->nft.tables, list) {
- ctx.family = table->family;
- ctx.table = table;
- list_for_each_entry(chain, &table->chains, list) {
- ctx.chain = chain;
- list_for_each_entry_safe(rule, nr, &chain->rules, list) {
- list_del(&rule->list);
- chain->use--;
- nf_tables_rule_release(&ctx, rule);
- }
- }
- list_for_each_entry_safe(flowtable, nf, &table->flowtables, list) {
- list_del(&flowtable->list);
- table->use--;
- nf_tables_flowtable_destroy(flowtable);
- }
- list_for_each_entry_safe(set, ns, &table->sets, list) {
- list_del(&set->list);
- table->use--;
- nft_set_destroy(&ctx, set);
- }
- list_for_each_entry_safe(obj, ne, &table->objects, list) {
- nft_obj_del(obj);
- table->use--;
- nft_obj_destroy(&ctx, obj);
- }
- list_for_each_entry_safe(chain, nc, &table->chains, list) {
- ctx.chain = chain;
- nft_chain_del(chain);
- table->use--;
- nf_tables_chain_destroy(&ctx);
+ ctx.family = table->family;
+ ctx.table = table;
+ list_for_each_entry(chain, &table->chains, list) {
+ ctx.chain = chain;
+ list_for_each_entry_safe(rule, nr, &chain->rules, list) {
+ list_del(&rule->list);
+ chain->use--;
+ nf_tables_rule_release(&ctx, rule);
}
- list_del(&table->list);
- nf_tables_table_destroy(&ctx);
}
+ list_for_each_entry_safe(flowtable, nf, &table->flowtables, list) {
+ list_del(&flowtable->list);
+ table->use--;
+ nf_tables_flowtable_destroy(flowtable);
+ }
+ list_for_each_entry_safe(set, ns, &table->sets, list) {
+ list_del(&set->list);
+ table->use--;
+ nft_set_destroy(&ctx, set);
+ }
+ list_for_each_entry_safe(obj, ne, &table->objects, list) {
+ nft_obj_del(obj);
+ table->use--;
+ nft_obj_destroy(&ctx, obj);
+ }
+ list_for_each_entry_safe(chain, nc, &table->chains, list) {
+ ctx.chain = chain;
+ nft_chain_del(chain);
+ table->use--;
+ nf_tables_chain_destroy(&ctx);
+ }
+ list_del(&table->list);
+ nf_tables_table_destroy(&ctx);
+}
+
+static void __nft_release_tables(struct net *net)
+{
+ struct nft_table *table, *nt;
+
+ list_for_each_entry_safe(table, nt, &net->nft.tables, list)
+ __nft_release_table(net, table);
}
static int __net_init nf_tables_init_net(struct net *net)