Merge branches 'for-4.4/upstream-fixes', 'for-4.5/async-suspend', 'for-4.5/container...

[mirror_ubuntu-artful-kernel.git] / security / keys / user_defined.c

diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index 28cb30f80256911cf9ee41631659b9e8f5a6b5dd..8705d79b2c6f289736fde21fd38e6013a4e4ae3c 100644 (file)
--- a/security/keys/user_defined.c
+++ b/security/keys/user_defined.c
@@ -120,7 +120,10 @@ int user_update(struct key *key, struct key_preparsed_payload *prep)
 
        if (ret == 0) {
                /* attach the new data, displacing the old */
-               zap = key->payload.data[0];
+               if (!test_bit(KEY_FLAG_NEGATIVE, &key->flags))
+                       zap = key->payload.data[0];
+               else
+                       zap = NULL;
                rcu_assign_keypointer(key, upayload);
                key->expiry = 0;
        }