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 <[EMAIL PROTECTED]>
--- ./net/core/net_namespace.c.netinitdata 2007-10-15 13:55:25.000000000
+0400
+++ ./net/core/net_namespace.c 2007-11-06 14:33:14.000000000 +0300
@@ -179,6 +180,7 @@ 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)
{
@@ -220,6 +222,23 @@ static void unregister_pernet_operations
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
-
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