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authorPablo Neira Ayuso <pablo@netfilter.org>2017-11-03 16:26:32 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2017-11-06 16:48:39 +0100
commit7e35ec0e8044f1ede852f55948f71a1963903219 (patch)
treeae000081660d61a465f44161d0ba3ac6a4ba31f5 /net/netfilter/nf_conntrack_proto.c
parentnetfilter: conntrack: don't cache nlattr_tuple_size result in nla_size (diff)
downloadlinux-dev-7e35ec0e8044f1ede852f55948f71a1963903219.tar.xz
linux-dev-7e35ec0e8044f1ede852f55948f71a1963903219.zip
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>
Diffstat (limited to 'net/netfilter/nf_conntrack_proto.c')
-rw-r--r--net/netfilter/nf_conntrack_proto.c37
1 files changed, 35 insertions, 2 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 *