1 files changed, 3 insertions, 1 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index cc4c9190b7fd..a9ef3a6a13f3 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -7,7 +7,7 @@
  *
  * Version:     @(#)sock.h      1.0.4   05/13/93
  *
- * Authors:     Ross Biro, <bir7@leland.Stanford.Edu>
+ * Authors:     Ross Biro
  *              Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  *              Corey Minyard <wf-rch!minyard@relay.EU.net>
  *              Florian La Roche <flla@stud.uni-sb.de>
@@ -141,6 +141,7 @@ struct sock_common {
   *     @sk_callback_lock: used with the callbacks in the end of this struct
   *     @sk_error_queue: rarely used
   *     @sk_prot: protocol handlers inside a network family
+  *     @sk_prot_creator: sk_prot of original sock creator (see ipv6_setsockopt, IPV6_ADDRFORM for instance)
   *     @sk_err: last error
   *     @sk_err_soft: errors that don't cause failure but are the cause of a persistent failure not just 'timed out'
   *     @sk_ack_backlog: current listen backlog
@@ -218,6 +219,7 @@ struct sock {
         } sk_backlog;
         struct sk_buff_head     sk_error_queue;
         struct proto            *sk_prot;
+        struct proto            *sk_prot_creator;
         rwlock_t                sk_callback_lock;
         int                     sk_err,
                                 sk_err_soft;