[PATCH iptables 3/4] nft: move initialize to struct nft_handle

[Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>]

Move this to the structure that stores, stateful information. Introduce
nft_table_initialized() and use it.

Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 iptables/nft.c | 14 ++++++++++----
 iptables/nft.h |  2 +-
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/iptables/nft.c b/iptables/nft.c
index 6852def381dd..618171e3208a 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -587,13 +587,19 @@ struct builtin_table xtables_bridge[NFT_TABLE_MAX] = {
 	},
 };
 
+static bool nft_table_initialized(const struct nft_handle *h,
+				  enum nft_table_type type)
+{
+	return h->table[type].initialized;
+}
+
 static int nft_table_builtin_add(struct nft_handle *h,
 				 struct builtin_table *_t)
 {
 	struct nftnl_table *t;
 	int ret;
 
-	if (_t->initialized)
+	if (nft_table_initialized(h, _t->type))
 		return 0;
 
 	t = nftnl_table_alloc();
@@ -707,7 +713,7 @@ static int nft_xt_builtin_init(struct nft_handle *h, const char *table)
 	if (t == NULL)
 		return -1;
 
-	if (t->initialized)
+	if (nft_table_initialized(h, t->type))
 		return 0;
 
 	if (nft_table_builtin_add(h, t) < 0)
@@ -715,7 +721,7 @@ static int nft_xt_builtin_init(struct nft_handle *h, const char *table)
 
 	nft_chain_builtin_init(h, t);
 
-	t->initialized = true;
+	h->table[t->type].initialized = true;
 
 	return 0;
 }
@@ -1902,7 +1908,7 @@ static int __nft_table_flush(struct nft_handle *h, const char *table)
 
 	_t = nft_table_builtin_find(h, table);
 	assert(_t);
-	_t->initialized = false;
+	h->table[_t->type].initialized = false;
 
 	flush_chain_cache(h, table);
 	flush_rule_cache(h, table);
diff --git a/iptables/nft.h b/iptables/nft.h
index 8cacae7394a3..9fe83ad134da 100644
--- a/iptables/nft.h
+++ b/iptables/nft.h
@@ -25,7 +25,6 @@ struct builtin_table {
 	const char *name;
 	enum nft_table_type type;
 	struct builtin_chain chains[NF_INET_NUMHOOKS];
-	bool initialized;
 };
 
 struct nft_handle {
@@ -41,6 +40,7 @@ struct nft_handle {
 	struct builtin_table	*tables;
 	struct {
 		struct nftnl_chain_list *chain_cache;
+		bool			initialized;
 	} table[NFT_TABLE_MAX];
 	struct nftnl_rule_list	*rule_cache;
 	bool			restore;
-- 
2.11.0