[DCCP]: Introduce the DCCP Kernel hacking menu

Only available if CONFIG_DEBUG_KERNEL is enabled in the "Kernel
Hacking" Menu.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 14 insertions, 8 deletions

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index ed0bf58c8ae0..be0669242069 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -503,12 +503,16 @@ static int __init dccp_ctl_sock_init(void)
         return rc;
 }
 
-static void __exit dccp_ctl_sock_exit(void)
+#ifdef CONFIG_IP_DCCP_UNLOAD_HACK
+void dccp_ctl_sock_exit(void)
 {
         if (dccp_ctl_socket != NULL)
                 sock_release(dccp_ctl_socket);
 }
 
+EXPORT_SYMBOL_GPL(dccp_ctl_sock_exit);
+#endif
+
 static int __init init_dccp_v4_mibs(void)
 {
         int rc = -ENOMEM;
@@ -655,19 +659,21 @@ static const char dccp_del_proto_err_msg[] __exitdata =
 
 static void __exit dccp_fini(void)
 {
-        dccp_ctl_sock_exit();
-
         inet_unregister_protosw(&dccp_v4_protosw);
 
         if (inet_del_protocol(&dccp_protocol, IPPROTO_DCCP) < 0)
                 printk(dccp_del_proto_err_msg);
 
-        /* Free the control endpoint.  */
-        sock_release(dccp_ctl_socket);
-
-        proto_unregister(&dccp_v4_prot);
-
+        free_percpu(dccp_statistics[0]);
+        free_percpu(dccp_statistics[1]);
+        free_pages((unsigned long)dccp_hashinfo.bhash,
+                   get_order(dccp_hashinfo.bhash_size *
+                             sizeof(struct inet_bind_hashbucket)));
+        free_pages((unsigned long)dccp_hashinfo.ehash,
+                   get_order(dccp_hashinfo.ehash_size *
+                             sizeof(struct inet_ehash_bucket)));
         kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep);
+        proto_unregister(&dccp_v4_prot);
 }
 
 module_init(dccp_init);