KEYS: Don't return EAGAIN to keyctl_assume_authority()

Don't return EAGAIN to keyctl_assume_authority() to indicate that a key could
not be found (ENOKEY is only returned if a negative key is found).  Instead
return ENOKEY in both cases.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index 6cff37529b80..60d4e3f5e4bb 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -251,6 +251,8 @@ struct key *key_get_instantiation_authkey(key_serial_t target_id)
 
         if (IS_ERR(authkey_ref)) {
                 authkey = ERR_CAST(authkey_ref);
+                if (authkey == ERR_PTR(-EAGAIN))
+                        authkey = ERR_PTR(-ENOKEY);
                 goto error;
         }