Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

Pull key fix from James Morris.

Fix memory leak.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  KEYS: ensure we free the assoc array edit if edit is valid

diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index e72548b..d334370 100644 (file)
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -1181,9 +1181,11 @@ void __key_link_end(struct key *keyring,
        if (index_key->type == &key_type_keyring)
                up_write(&keyring_serialise_link_sem);
 
-       if (edit && !edit->dead_leaf) {
-               key_payload_reserve(keyring,
-                                   keyring->datalen - KEYQUOTA_LINK_BYTES);
+       if (edit) {
+               if (!edit->dead_leaf) {
+                       key_payload_reserve(keyring,
+                               keyring->datalen - KEYQUOTA_LINK_BYTES);
+               }
                assoc_array_cancel_edit(edit);
        }
        up_write(&keyring->sem);