1 files changed, 15 insertions, 12 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index 4df4fa3c5de0..96e00b08698f 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -9,7 +9,7 @@
  *
  * Version:     $Id: sock.c,v 1.117 2002/02/01 22:01:03 davem Exp $
  *
- * Authors:     Ross Biro, <bir7@leland.Stanford.Edu>
+ * Authors:     Ross Biro
  *              Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  *              Florian La Roche, <flla@stud.uni-sb.de>
  *              Alan Cox, <A.Cox@swansea.ac.uk>
@@ -97,7 +97,6 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
-#include <linux/major.h>
 #include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
@@ -617,10 +616,10 @@ lenout:
 
 /**
  *      sk_alloc - All socket objects are allocated here
- *      @family - protocol family
- *      @priority - for allocation (%GFP_KERNEL, %GFP_ATOMIC, etc)
- *      @prot - struct proto associated with this new sock instance
- *      @zero_it - if we should zero the newly allocated sock
+ *      @family: protocol family
+ *      @priority: for allocation (%GFP_KERNEL, %GFP_ATOMIC, etc)
+ *      @prot: struct proto associated with this new sock instance
+ *      @zero_it: if we should zero the newly allocated sock
  */
 struct sock *sk_alloc(int family, int priority, struct proto *prot, int zero_it)
 {
@@ -636,7 +635,11 @@ struct sock *sk_alloc(int family, int priority, struct proto *prot, int zero_it)
                 if (zero_it) {
                         memset(sk, 0, prot->obj_size);
                         sk->sk_family = family;
-                        sk->sk_prot = prot;
+                        /*
+                         * See comment in struct sock definition to understand
+                         * why we need sk_prot_creator -acme
+                         */
+                        sk->sk_prot = sk->sk_prot_creator = prot;
                         sock_lock_init(sk);
                 }
                 
@@ -655,7 +658,7 @@ struct sock *sk_alloc(int family, int priority, struct proto *prot, int zero_it)
 void sk_free(struct sock *sk)
 {
         struct sk_filter *filter;
-        struct module *owner = sk->sk_prot->owner;
+        struct module *owner = sk->sk_prot_creator->owner;
 
         if (sk->sk_destruct)
                 sk->sk_destruct(sk);
@@ -673,8 +676,8 @@ void sk_free(struct sock *sk)
                        __FUNCTION__, atomic_read(&sk->sk_omem_alloc));
 
         security_sk_free(sk);
-        if (sk->sk_prot->slab != NULL)
-                kmem_cache_free(sk->sk_prot->slab, sk);
+        if (sk->sk_prot_creator->slab != NULL)
+                kmem_cache_free(sk->sk_prot_creator->slab, sk);
         else
                 kfree(sk);
         module_put(owner);
@@ -971,8 +974,8 @@ static void __release_sock(struct sock *sk)
 
 /**
  * sk_wait_data - wait for data to arrive at sk_receive_queue
- * sk - sock to wait on
- * timeo - for how long
+ * @sk:    sock to wait on
+ * @timeo: for how long
  *
  * Now socket state including sk->sk_err is changed only under lock,
  * hence we may omit checks after joining wait queue.