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Commit 00bfb320 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
Browse files

netfilter: nf_tables: pass context to object destroy indirection 



The new connlimit object needs this to properly deal with conntrack
dependencies.

Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 45ca4e0c

include/net/netfilter/nf_tables.h

+2 −1
Original line number Diff line number Diff line
@@ -1070,7 +1070,8 @@ struct nft_object_ops { 
	int				(*init)(const struct nft_ctx *ctx,

						const struct nlattr *const tb[],

						struct nft_object *obj);

	void				(*destroy)(struct nft_object *obj);

	void				(*destroy)(const struct nft_ctx *ctx,

						   struct nft_object *obj);

	int				(*dump)(struct sk_buff *skb,

						struct nft_object *obj,

						bool reset);

net/netfilter/nf_tables_api.c

+6 −6
Original line number Diff line number Diff line
@@ -4787,7 +4787,7 @@ static int nf_tables_newobj(struct net *net, struct sock *nlsk, 
	kfree(obj->name);

err2:

	if (obj->ops->destroy)

		obj->ops->destroy(obj);

		obj->ops->destroy(&ctx, obj);

	kfree(obj);

err1:

	module_put(type->owner);
@@ -4997,10 +4997,10 @@ static int nf_tables_getobj(struct net *net, struct sock *nlsk, 
	return err;

}



static void nft_obj_destroy(struct nft_object *obj)

static void nft_obj_destroy(const struct nft_ctx *ctx, struct nft_object *obj)

{

	if (obj->ops->destroy)

		obj->ops->destroy(obj);

		obj->ops->destroy(ctx, obj);



	module_put(obj->ops->type->owner);

	kfree(obj->name);
@@ -6003,7 +6003,7 @@ static void nft_commit_release(struct nft_trans *trans) 
					   nft_trans_elem(trans).priv);

		break;

	case NFT_MSG_DELOBJ:

		nft_obj_destroy(nft_trans_obj(trans));

		nft_obj_destroy(&trans->ctx, nft_trans_obj(trans));

		break;

	case NFT_MSG_DELFLOWTABLE:

		nf_tables_flowtable_destroy(nft_trans_flowtable(trans));
@@ -6328,7 +6328,7 @@ static void nf_tables_abort_release(struct nft_trans *trans) 
				     nft_trans_elem(trans).priv, true);

		break;

	case NFT_MSG_NEWOBJ:

		nft_obj_destroy(nft_trans_obj(trans));

		nft_obj_destroy(&trans->ctx, nft_trans_obj(trans));

		break;

	case NFT_MSG_NEWFLOWTABLE:

		nf_tables_flowtable_destroy(nft_trans_flowtable(trans));
@@ -7022,7 +7022,7 @@ static void __nft_release_tables(struct net *net) 
		list_for_each_entry_safe(obj, ne, &table->objects, list) {

			list_del(&obj->list);

			table->use--;

			nft_obj_destroy(obj);

			nft_obj_destroy(&ctx, obj);

		}

		list_for_each_entry_safe(chain, nc, &table->chains, list) {

			ctx.chain = chain;

net/netfilter/nft_counter.c

+2 −1
Original line number Diff line number Diff line
@@ -96,7 +96,8 @@ static void nft_counter_do_destroy(struct nft_counter_percpu_priv *priv) 
	free_percpu(priv->counter);

}



static void nft_counter_obj_destroy(struct nft_object *obj)

static void nft_counter_obj_destroy(const struct nft_ctx *ctx,

				    struct nft_object *obj)

{

	struct nft_counter_percpu_priv *priv = nft_obj_data(obj);

net/netfilter/nft_ct.c

+2 −1
Original line number Diff line number Diff line
@@ -826,7 +826,8 @@ static int nft_ct_helper_obj_init(const struct nft_ctx *ctx, 
	return 0;

}



static void nft_ct_helper_obj_destroy(struct nft_object *obj)

static void nft_ct_helper_obj_destroy(const struct nft_ctx *ctx,

				      struct nft_object *obj)

{

	struct nft_ct_helper_obj *priv = nft_obj_data(obj);