static LIST_HEAD(nf_tables_objects);
static LIST_HEAD(nf_tables_flowtables);
static LIST_HEAD(nf_tables_destroy_list);
+static LIST_HEAD(nf_tables_gc_list);
static DEFINE_SPINLOCK(nf_tables_destroy_list_lock);
+static DEFINE_SPINLOCK(nf_tables_gc_list_lock);
enum {
NFT_VALIDATE_SKIP = 0,
[NFT_MSG_NEWFLOWTABLE] = AUDIT_NFT_OP_FLOWTABLE_REGISTER,
[NFT_MSG_GETFLOWTABLE] = AUDIT_NFT_OP_INVALID,
[NFT_MSG_DELFLOWTABLE] = AUDIT_NFT_OP_FLOWTABLE_UNREGISTER,
+ [NFT_MSG_GETSETELEM_RESET] = AUDIT_NFT_OP_SETELEM_RESET,
};
static void nft_validate_state_update(struct nft_table *table, u8 new_validate_state)
static void nf_tables_trans_destroy_work(struct work_struct *w);
static DECLARE_WORK(trans_destroy_work, nf_tables_trans_destroy_work);
+static void nft_trans_gc_work(struct work_struct *work);
+static DECLARE_WORK(trans_gc_work, nft_trans_gc_work);
+
static void nft_ctx_init(struct nft_ctx *ctx,
struct net *net,
const struct sk_buff *skb,
return __nft_trans_set_add(ctx, msg_type, set, NULL);
}
-static void nft_setelem_data_deactivate(const struct net *net,
- const struct nft_set *set,
- struct nft_set_elem *elem);
-
static int nft_mapelem_deactivate(const struct nft_ctx *ctx,
struct nft_set *set,
const struct nft_set_iter *iter,
if (table == NULL)
goto err_kzalloc;
- table->validate_state = NFT_VALIDATE_SKIP;
+ table->validate_state = nft_net->validate_state;
table->name = nla_strdup(attr, GFP_KERNEL_ACCOUNT);
if (table->name == NULL)
goto err_strdup;
if (!nft_is_active_next(ctx->net, chain))
continue;
- if (nft_chain_is_bound(chain))
+ if (nft_chain_binding(chain))
continue;
ctx->chain = chain;
if (!nft_is_active_next(ctx->net, chain))
continue;
- if (nft_chain_is_bound(chain))
+ if (nft_chain_binding(chain))
continue;
ctx->chain = chain;
return PTR_ERR(chain);
}
+ if (nft_chain_binding(chain))
+ return -EOPNOTSUPP;
+
nft_ctx_init(&ctx, net, skb, info->nlh, family, table, chain, nla);
if (nla[NFTA_CHAIN_HOOK]) {
nfnetlink_set_err(ctx->net, ctx->portid, NFNLGRP_NFTABLES, -ENOBUFS);
}
+static void audit_log_rule_reset(const struct nft_table *table,
+ unsigned int base_seq,
+ unsigned int nentries)
+{
+ char *buf = kasprintf(GFP_ATOMIC, "%s:%u",
+ table->name, base_seq);
+
+ audit_log_nfcfg(buf, table->family, nentries,
+ AUDIT_NFT_OP_RULE_RESET, GFP_ATOMIC);
+ kfree(buf);
+}
+
struct nft_rule_dump_ctx {
char *table;
char *chain;
cont_skip:
(*idx)++;
}
+
+ if (reset && *idx)
+ audit_log_rule_reset(table, cb->seq, *idx);
+
return 0;
}
if (err < 0)
goto err_fill_rule_info;
+ if (reset)
+ audit_log_rule_reset(table, nft_pernet(net)->base_seq, 1);
+
return nfnetlink_unicast(skb2, net, NETLINK_CB(skb).portid);
err_fill_rule_info:
return -EMLINK;
list_for_each_entry(rule, &chain->rules, list) {
+ if (fatal_signal_pending(current))
+ return -EINTR;
+
if (!nft_is_active_next(ctx->net, rule))
continue;
}
if (info->nlh->nlmsg_flags & NLM_F_REPLACE) {
+ if (nft_chain_binding(chain)) {
+ err = -EOPNOTSUPP;
+ goto err_destroy_flow_rule;
+ }
+
err = nft_delrule(&ctx, old_rule);
if (err < 0)
goto err_destroy_flow_rule;
NL_SET_BAD_ATTR(extack, nla[NFTA_RULE_CHAIN]);
return PTR_ERR(chain);
}
- if (nft_chain_is_bound(chain))
+ if (nft_chain_binding(chain))
return -EOPNOTSUPP;
}
list_for_each_entry(chain, &table->chains, list) {
if (!nft_is_active_next(net, chain))
continue;
- if (nft_chain_is_bound(chain))
+ if (nft_chain_binding(chain))
continue;
ctx.chain = chain;
INIT_LIST_HEAD(&set->bindings);
INIT_LIST_HEAD(&set->catchall_list);
+ refcount_set(&set->refs, 1);
set->table = table;
write_pnet(&set->net, net);
set->ops = ops;
}
}
+static void nft_set_put(struct nft_set *set)
+{
+ if (refcount_dec_and_test(&set->refs)) {
+ kfree(set->name);
+ kvfree(set);
+ }
+}
+
static void nft_set_destroy(const struct nft_ctx *ctx, struct nft_set *set)
{
int i;
set->ops->destroy(ctx, set);
nft_set_catchall_destroy(ctx, set);
- kfree(set->name);
- kvfree(set);
+ nft_set_put(set);
}
static int nf_tables_delset(struct sk_buff *skb, const struct nfnl_info *info,
const struct nft_set_iter *iter,
struct nft_set_elem *elem)
{
+ const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
struct nft_set_dump_args *args;
+ if (nft_set_elem_expired(ext))
+ return 0;
+
args = container_of(iter, struct nft_set_dump_args, iter);
return nf_tables_fill_setelem(args->skb, set, elem, args->reset);
}
+static void audit_log_nft_set_reset(const struct nft_table *table,
+ unsigned int base_seq,
+ unsigned int nentries)
+{
+ char *buf = kasprintf(GFP_ATOMIC, "%s:%u", table->name, base_seq);
+
+ audit_log_nfcfg(buf, table->family, nentries,
+ AUDIT_NFT_OP_SETELEM_RESET, GFP_ATOMIC);
+ kfree(buf);
+}
+
struct nft_set_dump_ctx {
const struct nft_set *set;
struct nft_ctx ctx;
};
static int nft_set_catchall_dump(struct net *net, struct sk_buff *skb,
- const struct nft_set *set, bool reset)
+ const struct nft_set *set, bool reset,
+ unsigned int base_seq)
{
struct nft_set_elem_catchall *catchall;
u8 genmask = nft_genmask_cur(net);
elem.priv = catchall->elem;
ret = nf_tables_fill_setelem(skb, set, &elem, reset);
+ if (reset && !ret)
+ audit_log_nft_set_reset(set->table, base_seq, 1);
break;
}
set->ops->walk(&dump_ctx->ctx, set, &args.iter);
if (!args.iter.err && args.iter.count == cb->args[0])
- args.iter.err = nft_set_catchall_dump(net, skb, set, reset);
- rcu_read_unlock();
-
+ args.iter.err = nft_set_catchall_dump(net, skb, set,
+ reset, cb->seq);
nla_nest_end(skb, nest);
nlmsg_end(skb, nlh);
+ if (reset && args.iter.count > args.iter.skip)
+ audit_log_nft_set_reset(table, cb->seq,
+ args.iter.count - args.iter.skip);
+
+ rcu_read_unlock();
+
if (args.iter.err && args.iter.err != -EMSGSIZE)
return args.iter.err;
if (args.iter.count == cb->args[0])
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_cur(info->net);
u8 family = info->nfmsg->nfgen_family;
+ int rem, err = 0, nelems = 0;
struct net *net = info->net;
struct nft_table *table;
struct nft_set *set;
struct nlattr *attr;
struct nft_ctx ctx;
bool reset = false;
- int rem, err = 0;
table = nft_table_lookup(net, nla[NFTA_SET_ELEM_LIST_TABLE], family,
genmask, 0);
NL_SET_BAD_ATTR(extack, attr);
break;
}
+ nelems++;
}
+ if (reset)
+ audit_log_nft_set_reset(table, nft_pernet(net)->base_seq,
+ nelems);
+
return err;
}
list_for_each_entry_rcu(catchall, &set->catchall_list, list) {
ext = nft_set_elem_ext(set, catchall->elem);
if (nft_set_elem_active(ext, genmask) &&
- !nft_set_elem_expired(ext))
+ !nft_set_elem_expired(ext) &&
+ !nft_set_elem_is_dead(ext))
return ext;
}
}
EXPORT_SYMBOL_GPL(nft_set_catchall_lookup);
-void *nft_set_catchall_gc(const struct nft_set *set)
-{
- struct nft_set_elem_catchall *catchall, *next;
- struct nft_set_ext *ext;
- void *elem = NULL;
-
- list_for_each_entry_safe(catchall, next, &set->catchall_list, list) {
- ext = nft_set_elem_ext(set, catchall->elem);
-
- if (!nft_set_elem_expired(ext) ||
- nft_set_elem_mark_busy(ext))
- continue;
-
- elem = catchall->elem;
- list_del_rcu(&catchall->list);
- kfree_rcu(catchall, rcu);
- break;
- }
-
- return elem;
-}
-EXPORT_SYMBOL_GPL(nft_set_catchall_gc);
-
static int nft_setelem_catchall_insert(const struct net *net,
struct nft_set *set,
const struct nft_set_elem *elem,
if (nft_setelem_is_catchall(set, elem)) {
nft_set_elem_change_active(net, set, ext);
- nft_set_elem_clear_busy(ext);
} else {
set->ops->activate(net, set, elem);
}
list_for_each_entry(catchall, &set->catchall_list, list) {
ext = nft_set_elem_ext(set, catchall->elem);
- if (!nft_is_active(net, ext) ||
- nft_set_elem_mark_busy(ext))
+ if (!nft_is_active(net, ext))
continue;
kfree(elem->priv);
goto err_elem_free;
}
- ext->genmask = nft_genmask_cur(ctx->net) | NFT_SET_ELEM_BUSY_MASK;
+ ext->genmask = nft_genmask_cur(ctx->net);
err = nft_setelem_insert(ctx->net, set, &elem, &ext2, flags);
if (err) {
nft_use_inc_restore(&(*nft_set_ext_obj(ext))->use);
}
-static void nft_setelem_data_deactivate(const struct net *net,
- const struct nft_set *set,
- struct nft_set_elem *elem)
+void nft_setelem_data_deactivate(const struct net *net,
+ const struct nft_set *set,
+ struct nft_set_elem *elem)
{
const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
list_for_each_entry_rcu(catchall, &set->catchall_list, list) {
ext = nft_set_elem_ext(set, catchall->elem);
- if (!nft_set_elem_active(ext, genmask) ||
- nft_set_elem_mark_busy(ext))
+ if (!nft_set_elem_active(ext, genmask))
continue;
elem.priv = catchall->elem;
ret = __nft_set_catchall_flush(ctx, set, &elem);
if (ret < 0)
break;
+ nft_set_elem_change_active(ctx->net, set, ext);
}
return ret;
return err;
}
-void nft_set_gc_batch_release(struct rcu_head *rcu)
-{
- struct nft_set_gc_batch *gcb;
- unsigned int i;
-
- gcb = container_of(rcu, struct nft_set_gc_batch, head.rcu);
- for (i = 0; i < gcb->head.cnt; i++)
- nft_set_elem_destroy(gcb->head.set, gcb->elems[i], true);
- kfree(gcb);
-}
-
-struct nft_set_gc_batch *nft_set_gc_batch_alloc(const struct nft_set *set,
- gfp_t gfp)
-{
- struct nft_set_gc_batch *gcb;
-
- gcb = kzalloc(sizeof(*gcb), gfp);
- if (gcb == NULL)
- return gcb;
- gcb->head.set = set;
- return gcb;
-}
-
/*
* Stateful objects
*/
return -EAGAIN;
nft_validate_state_update(table, NFT_VALIDATE_SKIP);
+ break;
}
-
- break;
}
return 0;
list_del_rcu(&chain->list);
}
+static void nft_trans_gc_setelem_remove(struct nft_ctx *ctx,
+ struct nft_trans_gc *trans)
+{
+ void **priv = trans->priv;
+ unsigned int i;
+
+ for (i = 0; i < trans->count; i++) {
+ struct nft_set_elem elem = {
+ .priv = priv[i],
+ };
+
+ nft_setelem_data_deactivate(ctx->net, trans->set, &elem);
+ nft_setelem_remove(ctx->net, trans->set, &elem);
+ }
+}
+
+void nft_trans_gc_destroy(struct nft_trans_gc *trans)
+{
+ nft_set_put(trans->set);
+ put_net(trans->net);
+ kfree(trans);
+}
+
+static void nft_trans_gc_trans_free(struct rcu_head *rcu)
+{
+ struct nft_set_elem elem = {};
+ struct nft_trans_gc *trans;
+ struct nft_ctx ctx = {};
+ unsigned int i;
+
+ trans = container_of(rcu, struct nft_trans_gc, rcu);
+ ctx.net = read_pnet(&trans->set->net);
+
+ for (i = 0; i < trans->count; i++) {
+ elem.priv = trans->priv[i];
+ if (!nft_setelem_is_catchall(trans->set, &elem))
+ atomic_dec(&trans->set->nelems);
+
+ nf_tables_set_elem_destroy(&ctx, trans->set, elem.priv);
+ }
+
+ nft_trans_gc_destroy(trans);
+}
+
+static bool nft_trans_gc_work_done(struct nft_trans_gc *trans)
+{
+ struct nftables_pernet *nft_net;
+ struct nft_ctx ctx = {};
+
+ nft_net = nft_pernet(trans->net);
+
+ mutex_lock(&nft_net->commit_mutex);
+
+ /* Check for race with transaction, otherwise this batch refers to
+ * stale objects that might not be there anymore. Skip transaction if
+ * set has been destroyed from control plane transaction in case gc
+ * worker loses race.
+ */
+ if (READ_ONCE(nft_net->gc_seq) != trans->seq || trans->set->dead) {
+ mutex_unlock(&nft_net->commit_mutex);
+ return false;
+ }
+
+ ctx.net = trans->net;
+ ctx.table = trans->set->table;
+
+ nft_trans_gc_setelem_remove(&ctx, trans);
+ mutex_unlock(&nft_net->commit_mutex);
+
+ return true;
+}
+
+static void nft_trans_gc_work(struct work_struct *work)
+{
+ struct nft_trans_gc *trans, *next;
+ LIST_HEAD(trans_gc_list);
+
+ spin_lock(&nf_tables_gc_list_lock);
+ list_splice_init(&nf_tables_gc_list, &trans_gc_list);
+ spin_unlock(&nf_tables_gc_list_lock);
+
+ list_for_each_entry_safe(trans, next, &trans_gc_list, list) {
+ list_del(&trans->list);
+ if (!nft_trans_gc_work_done(trans)) {
+ nft_trans_gc_destroy(trans);
+ continue;
+ }
+ call_rcu(&trans->rcu, nft_trans_gc_trans_free);
+ }
+}
+
+struct nft_trans_gc *nft_trans_gc_alloc(struct nft_set *set,
+ unsigned int gc_seq, gfp_t gfp)
+{
+ struct net *net = read_pnet(&set->net);
+ struct nft_trans_gc *trans;
+
+ trans = kzalloc(sizeof(*trans), gfp);
+ if (!trans)
+ return NULL;
+
+ trans->net = maybe_get_net(net);
+ if (!trans->net) {
+ kfree(trans);
+ return NULL;
+ }
+
+ refcount_inc(&set->refs);
+ trans->set = set;
+ trans->seq = gc_seq;
+
+ return trans;
+}
+
+void nft_trans_gc_elem_add(struct nft_trans_gc *trans, void *priv)
+{
+ trans->priv[trans->count++] = priv;
+}
+
+static void nft_trans_gc_queue_work(struct nft_trans_gc *trans)
+{
+ spin_lock(&nf_tables_gc_list_lock);
+ list_add_tail(&trans->list, &nf_tables_gc_list);
+ spin_unlock(&nf_tables_gc_list_lock);
+
+ schedule_work(&trans_gc_work);
+}
+
+static int nft_trans_gc_space(struct nft_trans_gc *trans)
+{
+ return NFT_TRANS_GC_BATCHCOUNT - trans->count;
+}
+
+struct nft_trans_gc *nft_trans_gc_queue_async(struct nft_trans_gc *gc,
+ unsigned int gc_seq, gfp_t gfp)
+{
+ if (nft_trans_gc_space(gc))
+ return gc;
+
+ nft_trans_gc_queue_work(gc);
+
+ return nft_trans_gc_alloc(gc->set, gc_seq, gfp);
+}
+
+void nft_trans_gc_queue_async_done(struct nft_trans_gc *trans)
+{
+ if (trans->count == 0) {
+ nft_trans_gc_destroy(trans);
+ return;
+ }
+
+ nft_trans_gc_queue_work(trans);
+}
+
+struct nft_trans_gc *nft_trans_gc_queue_sync(struct nft_trans_gc *gc, gfp_t gfp)
+{
+ if (WARN_ON_ONCE(!lockdep_commit_lock_is_held(gc->net)))
+ return NULL;
+
+ if (nft_trans_gc_space(gc))
+ return gc;
+
+ call_rcu(&gc->rcu, nft_trans_gc_trans_free);
+
+ return nft_trans_gc_alloc(gc->set, 0, gfp);
+}
+
+void nft_trans_gc_queue_sync_done(struct nft_trans_gc *trans)
+{
+ WARN_ON_ONCE(!lockdep_commit_lock_is_held(trans->net));
+
+ if (trans->count == 0) {
+ nft_trans_gc_destroy(trans);
+ return;
+ }
+
+ call_rcu(&trans->rcu, nft_trans_gc_trans_free);
+}
+
+struct nft_trans_gc *nft_trans_gc_catchall(struct nft_trans_gc *gc,
+ unsigned int gc_seq)
+{
+ struct nft_set_elem_catchall *catchall;
+ const struct nft_set *set = gc->set;
+ struct nft_set_ext *ext;
+
+ list_for_each_entry_rcu(catchall, &set->catchall_list, list) {
+ ext = nft_set_elem_ext(set, catchall->elem);
+
+ if (!nft_set_elem_expired(ext))
+ continue;
+ if (nft_set_elem_is_dead(ext))
+ goto dead_elem;
+
+ nft_set_elem_dead(ext);
+dead_elem:
+ gc = nft_trans_gc_queue_async(gc, gc_seq, GFP_ATOMIC);
+ if (!gc)
+ return NULL;
+
+ nft_trans_gc_elem_add(gc, catchall->elem);
+ }
+
+ return gc;
+}
+
static void nf_tables_module_autoload_cleanup(struct net *net)
{
struct nftables_pernet *nft_net = nft_pernet(net);
}
}
+static unsigned int nft_gc_seq_begin(struct nftables_pernet *nft_net)
+{
+ unsigned int gc_seq;
+
+ /* Bump gc counter, it becomes odd, this is the busy mark. */
+ gc_seq = READ_ONCE(nft_net->gc_seq);
+ WRITE_ONCE(nft_net->gc_seq, ++gc_seq);
+
+ return gc_seq;
+}
+
+static void nft_gc_seq_end(struct nftables_pernet *nft_net, unsigned int gc_seq)
+{
+ WRITE_ONCE(nft_net->gc_seq, ++gc_seq);
+}
+
static int nf_tables_commit(struct net *net, struct sk_buff *skb)
{
struct nftables_pernet *nft_net = nft_pernet(net);
struct nft_trans *trans, *next;
+ unsigned int base_seq, gc_seq;
LIST_HEAD(set_update_list);
struct nft_trans_elem *te;
struct nft_chain *chain;
struct nft_table *table;
- unsigned int base_seq;
LIST_HEAD(adl);
int err;
}
/* 0. Validate ruleset, otherwise roll back for error reporting. */
- if (nf_tables_validate(net) < 0)
+ if (nf_tables_validate(net) < 0) {
+ nft_net->validate_state = NFT_VALIDATE_DO;
return -EAGAIN;
+ }
err = nft_flow_rule_offload_commit(net);
if (err < 0)
WRITE_ONCE(nft_net->base_seq, base_seq);
+ gc_seq = nft_gc_seq_begin(nft_net);
+
/* step 3. Start new generation, rules_gen_X now in use. */
net->nft.gencursor = nft_gencursor_next(net);
break;
case NFT_MSG_DELSET:
case NFT_MSG_DESTROYSET:
+ nft_trans_set(trans)->dead = 1;
list_del_rcu(&nft_trans_set(trans)->list);
nf_tables_set_notify(&trans->ctx, nft_trans_set(trans),
trans->msg_type, GFP_KERNEL);
nft_commit_notify(net, NETLINK_CB(skb).portid);
nf_tables_gen_notify(net, skb, NFT_MSG_NEWGEN);
nf_tables_commit_audit_log(&adl, nft_net->base_seq);
+
+ nft_gc_seq_end(nft_net, gc_seq);
+ nft_net->validate_state = NFT_VALIDATE_SKIP;
nf_tables_commit_release(net);
return 0;
enum nfnl_abort_action action)
{
struct nftables_pernet *nft_net = nft_pernet(net);
- int ret = __nf_tables_abort(net, action);
+ unsigned int gc_seq;
+ int ret;
+ gc_seq = nft_gc_seq_begin(nft_net);
+ ret = __nf_tables_abort(net, action);
+ nft_gc_seq_end(nft_net, gc_seq);
mutex_unlock(&nft_net->commit_mutex);
return ret;
if (ctx->chain == chain)
return -ELOOP;
+ if (fatal_signal_pending(current))
+ return -EINTR;
+
list_for_each_entry(rule, &chain->rules, list) {
nft_rule_for_each_expr(expr, last, rule) {
struct nft_immediate_expr *priv;
ctx.family = table->family;
ctx.table = table;
list_for_each_entry(chain, &table->chains, list) {
- if (nft_chain_is_bound(chain))
+ if (nft_chain_binding(chain))
continue;
ctx.chain = chain;
struct net *net = n->net;
unsigned int deleted;
bool restart = false;
+ unsigned int gc_seq;
if (event != NETLINK_URELEASE || n->protocol != NETLINK_NETFILTER)
return NOTIFY_DONE;
nft_net = nft_pernet(net);
deleted = 0;
mutex_lock(&nft_net->commit_mutex);
+
+ gc_seq = nft_gc_seq_begin(nft_net);
+
if (!list_empty(&nf_tables_destroy_list))
- rcu_barrier();
+ nf_tables_trans_destroy_flush_work();
again:
list_for_each_entry(table, &nft_net->tables, list) {
if (nft_table_has_owner(table) &&
if (restart)
goto again;
}
+ nft_gc_seq_end(nft_net, gc_seq);
+
mutex_unlock(&nft_net->commit_mutex);
return NOTIFY_DONE;
INIT_LIST_HEAD(&nft_net->notify_list);
mutex_init(&nft_net->commit_mutex);
nft_net->base_seq = 1;
+ nft_net->gc_seq = 0;
+ nft_net->validate_state = NFT_VALIDATE_SKIP;
return 0;
}
static void __net_exit nf_tables_exit_net(struct net *net)
{
struct nftables_pernet *nft_net = nft_pernet(net);
+ unsigned int gc_seq;
mutex_lock(&nft_net->commit_mutex);
+
+ gc_seq = nft_gc_seq_begin(nft_net);
+
if (!list_empty(&nft_net->commit_list) ||
!list_empty(&nft_net->module_list))
__nf_tables_abort(net, NFNL_ABORT_NONE);
+
__nft_release_tables(net);
+
+ nft_gc_seq_end(nft_net, gc_seq);
+
mutex_unlock(&nft_net->commit_mutex);
WARN_ON_ONCE(!list_empty(&nft_net->tables));
WARN_ON_ONCE(!list_empty(&nft_net->module_list));
WARN_ON_ONCE(!list_empty(&nft_net->notify_list));
}
+static void nf_tables_exit_batch(struct list_head *net_exit_list)
+{
+ flush_work(&trans_gc_work);
+}
+
static struct pernet_operations nf_tables_net_ops = {
.init = nf_tables_init_net,
.pre_exit = nf_tables_pre_exit_net,
.exit = nf_tables_exit_net,
+ .exit_batch = nf_tables_exit_batch,
.id = &nf_tables_net_id,
.size = sizeof(struct nftables_pernet),
};
nft_chain_filter_fini();
nft_chain_route_fini();
unregister_pernet_subsys(&nf_tables_net_ops);
+ cancel_work_sync(&trans_gc_work);
cancel_work_sync(&trans_destroy_work);
rcu_barrier();
rhltable_destroy(&nft_objname_ht);
projects / platform / kernel / linux-starfive.git / blobdiff