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authorDenis V. Lunev <den@openvz.org>2007-11-13 03:23:21 -0800
committerDavid S. Miller <davem@davemloft.net>2007-11-13 03:23:21 -0800
commited160e839d2e1118529e58b04d52dba703ca629c (patch)
treebe810664611452c2af170116e8deff2baa8cb916 /net
parent072ee3f9bd26a2f89a79d1eae9052d30b8d745a5 (diff)
[NET]: Cleanup pernet operation without CONFIG_NET_NS
If CONFIG_NET_NS is not set, the only namespace is possible. This patch removes list of pernet_operations and cleanups code a bit. This list is not needed if there are no namespaces. We should just call ->init method. Additionally, the ->exit will be called on module unloading only. This case is safe - the code is not discarded. For the in/kernel code, ->exit should never be called. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/net_namespace.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 3f6d37deac4..383252b5041 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -188,6 +188,7 @@ static int __init net_ns_init(void)
pure_initcall(net_ns_init);
+#ifdef CONFIG_NET_NS
static int register_pernet_operations(struct list_head *list,
struct pernet_operations *ops)
{
@@ -228,6 +229,23 @@ static void unregister_pernet_operations(struct pernet_operations *ops)
ops->exit(net);
}
+#else
+
+static int register_pernet_operations(struct list_head *list,
+ struct pernet_operations *ops)
+{
+ if (ops->init == NULL)
+ return 0;
+ return ops->init(&init_net);
+}
+
+static void unregister_pernet_operations(struct pernet_operations *ops)
+{
+ if (ops->exit)
+ ops->exit(&init_net);
+}
+#endif
+
/**
* register_pernet_subsys - register a network namespace subsystem
* @ops: pernet operations structure for the subsystem