Commit:     ed160e839d2e1118529e58b04d52dba703ca629c
Parent:     072ee3f9bd26a2f89a79d1eae9052d30b8d745a5
Author:     Denis V. Lunev <[EMAIL PROTECTED]>
AuthorDate: Tue Nov 13 03:23:21 2007 -0800
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Tue Nov 13 03:23:21 2007 -0800

    [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 <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
 net/core/net_namespace.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 3f6d37d..383252b 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -188,6 +188,7 @@ static int __init net_ns_init(void)
 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)
+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);
  *      register_pernet_subsys - register a network namespace subsystem
  *     @ops:  pernet operations structure for the subsystem
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