[PATCH] fix i386 mutex fastpath on FRAME_POINTER && !DEBUG_MUTEXES

[powerpc.git] / security / keys / user_defined.c

diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index cbda3b2..8e71895 100644 (file)
--- a/security/keys/user_defined.c
+++ b/security/keys/user_defined.c
@@ -26,7 +26,6 @@
 struct key_type key_type_user = {
        .name           = "user",
        .instantiate    = user_instantiate,
-       .duplicate      = user_duplicate,
        .update         = user_update,
        .match          = user_match,
        .destroy        = user_destroy,
@@ -68,40 +67,8 @@ error:
        return ret;
 
 } /* end user_instantiate() */
-
 EXPORT_SYMBOL_GPL(user_instantiate);
 
-/*****************************************************************************/
-/*
- * duplicate a user defined key
- * - both keys' semaphores are locked against further modification
- * - the new key cannot yet be accessed
- */
-int user_duplicate(struct key *key, const struct key *source)
-{
-       struct user_key_payload *upayload, *spayload;
-       int ret;
-
-       /* just copy the payload */
-       ret = -ENOMEM;
-       upayload = kmalloc(sizeof(*upayload) + source->datalen, GFP_KERNEL);
-       if (upayload) {
-               spayload = rcu_dereference(source->payload.data);
-               BUG_ON(source->datalen != spayload->datalen);
-
-               upayload->datalen = key->datalen = spayload->datalen;
-               memcpy(upayload->data, spayload->data, key->datalen);
-
-               key->payload.data = upayload;
-               ret = 0;
-       }
-
-       return ret;
-
-} /* end user_duplicate() */
-
-EXPORT_SYMBOL_GPL(user_duplicate);
-
 /*****************************************************************************/
 /*
  * dispose of the old data from an updated user defined key