aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/generic/backport-4.14/315-v4.15-netfilter-conntrack-move-nf_ct_netns_-get-put-to-cor.patch
blob: 7f6e90470afe41990488dc20dae7606c8017a37a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Fri, 3 Nov 2017 16:26:32 +0100
Subject: [PATCH] netfilter: conntrack: move nf_ct_netns_{get,put}() to core

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

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Florian Westphal <fw@strlen.de>
---

--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -125,7 +125,7 @@ void nf_ct_l3proto_module_put(unsigned s
 }
 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;
@@ -150,9 +150,33 @@ int nf_ct_netns_get(struct net *net, u8
 
 	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;
 
@@ -171,6 +195,15 @@ void nf_ct_netns_put(struct net *net, u8
 
 	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 *
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -312,39 +312,6 @@ static const struct nla_policy nft_ct_po
 	[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
 	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
 	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 str
 	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)