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path: root/net/netfilter/nf_tables_api.c
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Diffstat (limited to 'net/netfilter/nf_tables_api.c')
-rw-r--r--net/netfilter/nf_tables_api.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 073aa1051d43..7647ecfa0d40 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6550,12 +6550,22 @@ err1:
return err;
}
+static void nft_flowtable_hook_release(struct nft_flowtable_hook *flowtable_hook)
+{
+ struct nft_hook *this, *next;
+
+ list_for_each_entry_safe(this, next, &flowtable_hook->list, list) {
+ list_del(&this->list);
+ kfree(this);
+ }
+}
+
static int nft_delflowtable_hook(struct nft_ctx *ctx,
struct nft_flowtable *flowtable)
{
const struct nlattr * const *nla = ctx->nla;
struct nft_flowtable_hook flowtable_hook;
- struct nft_hook *this, *next, *hook;
+ struct nft_hook *this, *hook;
struct nft_trans *trans;
int err;
@@ -6564,33 +6574,40 @@ static int nft_delflowtable_hook(struct nft_ctx *ctx,
if (err < 0)
return err;
- list_for_each_entry_safe(this, next, &flowtable_hook.list, list) {
+ list_for_each_entry(this, &flowtable_hook.list, list) {
hook = nft_hook_list_find(&flowtable->hook_list, this);
if (!hook) {
err = -ENOENT;
goto err_flowtable_del_hook;
}
hook->inactive = true;
- list_del(&this->list);
- kfree(this);
}
trans = nft_trans_alloc(ctx, NFT_MSG_DELFLOWTABLE,
sizeof(struct nft_trans_flowtable));
- if (!trans)
- return -ENOMEM;
+ if (!trans) {
+ err = -ENOMEM;
+ goto err_flowtable_del_hook;
+ }
nft_trans_flowtable(trans) = flowtable;
nft_trans_flowtable_update(trans) = true;
INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans));
+ nft_flowtable_hook_release(&flowtable_hook);
list_add_tail(&trans->list, &ctx->net->nft.commit_list);
return 0;
err_flowtable_del_hook:
- list_for_each_entry(hook, &flowtable_hook.list, list)
+ list_for_each_entry(this, &flowtable_hook.list, list) {
+ hook = nft_hook_list_find(&flowtable->hook_list, this);
+ if (!hook)
+ break;
+
hook->inactive = false;
+ }
+ nft_flowtable_hook_release(&flowtable_hook);
return err;
}