[PATCH 20/23] netfilter: conntrack: move nf_ct_netns_{get,put}() to core

[Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>]

So we can call this from other expression that need conntrack in place
to work.

Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Acked-by: Florian Westphal <fw@xxxxxxxxx>
---
 net/netfilter/nf_conntrack_proto.c | 37 ++++++++++++++++++++++++++++++++++--
 net/netfilter/nft_ct.c             | 39 +++-----------------------------------
 2 files changed, 38 insertions(+), 38 deletions(-)

diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index 3b06ff3f2dee..c8e9c9503a08 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -172,7 +172,7 @@ void nf_ct_l3proto_module_put(unsigned short l3proto)
 }
 EXPORT_SYMBOL_GPL(nf_ct_l3proto_module_put);
 
-int nf_ct_netns_get(struct net *net, u8 nfproto)
+static int nf_ct_netns_do_get(struct net *net, u8 nfproto)
 {
 	const struct nf_conntrack_l3proto *l3proto;
 	int ret;
@@ -197,9 +197,33 @@ int nf_ct_netns_get(struct net *net, u8 nfproto)
 
 	return ret;
 }
+
+int nf_ct_netns_get(struct net *net, u8 nfproto)
+{
+	int err;
+
+	if (nfproto == NFPROTO_INET) {
+		err = nf_ct_netns_do_get(net, NFPROTO_IPV4);
+		if (err < 0)
+			goto err1;
+		err = nf_ct_netns_do_get(net, NFPROTO_IPV6);
+		if (err < 0)
+			goto err2;
+	} else {
+		err = nf_ct_netns_do_get(net, nfproto);
+		if (err < 0)
+			goto err1;
+	}
+	return 0;
+
+err2:
+	nf_ct_netns_put(net, NFPROTO_IPV4);
+err1:
+	return err;
+}
 EXPORT_SYMBOL_GPL(nf_ct_netns_get);
 
-void nf_ct_netns_put(struct net *net, u8 nfproto)
+static void nf_ct_netns_do_put(struct net *net, u8 nfproto)
 {
 	const struct nf_conntrack_l3proto *l3proto;
 
@@ -218,6 +242,15 @@ void nf_ct_netns_put(struct net *net, u8 nfproto)
 
 	nf_ct_l3proto_module_put(nfproto);
 }
+
+void nf_ct_netns_put(struct net *net, uint8_t nfproto)
+{
+	if (nfproto == NFPROTO_INET) {
+		nf_ct_netns_do_put(net, NFPROTO_IPV4);
+		nf_ct_netns_do_put(net, NFPROTO_IPV6);
+	} else
+		nf_ct_netns_do_put(net, nfproto);
+}
 EXPORT_SYMBOL_GPL(nf_ct_netns_put);
 
 const struct nf_conntrack_l4proto *
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index bd0975d7dd6f..2647b895f4b0 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -312,39 +312,6 @@ static const struct nla_policy nft_ct_policy[NFTA_CT_MAX + 1] = {
 	[NFTA_CT_SREG]		= { .type = NLA_U32 },
 };
 
-static int nft_ct_netns_get(struct net *net, uint8_t family)
-{
-	int err;
-
-	if (family == NFPROTO_INET) {
-		err = nf_ct_netns_get(net, NFPROTO_IPV4);
-		if (err < 0)
-			goto err1;
-		err = nf_ct_netns_get(net, NFPROTO_IPV6);
-		if (err < 0)
-			goto err2;
-	} else {
-		err = nf_ct_netns_get(net, family);
-		if (err < 0)
-			goto err1;
-	}
-	return 0;
-
-err2:
-	nf_ct_netns_put(net, NFPROTO_IPV4);
-err1:
-	return err;
-}
-
-static void nft_ct_netns_put(struct net *net, uint8_t family)
-{
-	if (family == NFPROTO_INET) {
-		nf_ct_netns_put(net, NFPROTO_IPV4);
-		nf_ct_netns_put(net, NFPROTO_IPV6);
-	} else
-		nf_ct_netns_put(net, family);
-}
-
 #ifdef CONFIG_NF_CONNTRACK_ZONES
 static void nft_ct_tmpl_put_pcpu(void)
 {
@@ -489,7 +456,7 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
 	if (err < 0)
 		return err;
 
-	err = nft_ct_netns_get(ctx->net, ctx->afi->family);
+	err = nf_ct_netns_get(ctx->net, ctx->afi->family);
 	if (err < 0)
 		return err;
 
@@ -583,7 +550,7 @@ static int nft_ct_set_init(const struct nft_ctx *ctx,
 	if (err < 0)
 		goto err1;
 
-	err = nft_ct_netns_get(ctx->net, ctx->afi->family);
+	err = nf_ct_netns_get(ctx->net, ctx->afi->family);
 	if (err < 0)
 		goto err1;
 
@@ -606,7 +573,7 @@ static void nft_ct_set_destroy(const struct nft_ctx *ctx,
 	struct nft_ct *priv = nft_expr_priv(expr);
 
 	__nft_ct_set_destroy(ctx, priv);
-	nft_ct_netns_put(ctx->net, ctx->afi->family);
+	nf_ct_netns_put(ctx->net, ctx->afi->family);
 }
 
 static int nft_ct_get_dump(struct sk_buff *skb, const struct nft_expr *expr)
-- 
2.11.0

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