[PATCH 4/5] AF_RXRPC: Key facility changes for AF_RXRPC

[David Howells <dhowells@redhat.com>]

Export the keyring key type definition.

Add extra alternative types into the key's type_data union to make it more
useful.

Signed-Off-By: David Howells <dhowells@redhat.com>
---

 include/linux/key.h     |    2 ++
 security/keys/keyring.c |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/linux/key.h b/include/linux/key.h
index 169f05e..a9220e7 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -160,6 +160,8 @@ struct key {
 	 */
 	union {
 		struct list_head	link;
+		unsigned long		x[2];
+		void			*p[2];
 	} type_data;
 
 	/* key data
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index ad45ce7..88292e3 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -66,6 +66,8 @@ struct key_type key_type_keyring = {
 	.read		= keyring_read,
 };
 
+EXPORT_SYMBOL(key_type_keyring);
+
 /*
  * semaphore to serialise link/link calls to prevent two link calls in parallel
  * introducing a cycle