make proc_ns_operations work with struct ns_common * instead of void *

We can do that now.  And kill ->inum(), while we are at it - all instances
are identical.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 9 deletions

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 97f4dc2132ad..2161f0979fce 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -629,7 +629,7 @@ void unregister_pernet_device(struct pernet_operations *ops)
 EXPORT_SYMBOL_GPL(unregister_pernet_device);
 
 #ifdef CONFIG_NET_NS
-static void *netns_get(struct task_struct *task)
+static struct ns_common *netns_get(struct task_struct *task)
 {
         struct net *net = NULL;
         struct nsproxy *nsproxy;
@@ -648,12 +648,12 @@ static inline struct net *to_net_ns(struct ns_common *ns)
         return container_of(ns, struct net, ns);
 }
 
-static void netns_put(void *ns)
+static void netns_put(struct ns_common *ns)
 {
         put_net(to_net_ns(ns));
 }
 
-static int netns_install(struct nsproxy *nsproxy, void *ns)
+static int netns_install(struct nsproxy *nsproxy, struct ns_common *ns)
 {
         struct net *net = to_net_ns(ns);
 
@@ -666,17 +666,11 @@ static int netns_install(struct nsproxy *nsproxy, void *ns)
         return 0;
 }
 
-static unsigned int netns_inum(void *ns)
-{
-        return ((struct ns_common *)ns)->inum;
-}
-
 const struct proc_ns_operations netns_operations = {
         .name           = "net",
         .type           = CLONE_NEWNET,
         .get            = netns_get,
         .put            = netns_put,
         .install        = netns_install,
-        .inum           = netns_inum,
 };
 #endif