KEYS: Make request key instantiate the per-user keyrings

Make request_key() instantiate the per-user keyrings so that it doesn't oops
if it needs to get hold of the user session keyring because there isn't a
session keyring in place.

Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Steve French <smfrench@gmail.com>
Tested-by: Rutger Nijlunsing <rutger.nijlunsing@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index 5be6d018759a..45b240af6dbe 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -40,7 +40,7 @@ struct key_user root_key_user = {
 /*
  * install user and user session keyrings for a particular UID
  */
-static int install_user_keyrings(struct task_struct *tsk)
+int install_user_keyrings(struct task_struct *tsk)
 {
         struct user_struct *user = tsk->user;
         struct key *uid_keyring, *session_keyring;