add led

hc

2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/security/keys/persistent.c
..
..
@@ -1,12 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /* General persistent per-UID keyrings register
2
3
  *
3
4
  * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
4
5
  * Written by David Howells (dhowells@redhat.com)
5
- *
6
- * This program is free software; you can redistribute it and/or
7
- * modify it under the terms of the GNU General Public Licence
8
- * as published by the Free Software Foundation; either version
9
- * 2 of the Licence, or (at your option) any later version.
10
6
  */
11
7
 
12
8
 #include <linux/user_namespace.h>
..
..
@@ -84,15 +80,17 @@
84
80
 	long ret;
85
81
 
86
82
 	/* Look in the register if it exists */
83
+	memset(&index_key, 0, sizeof(index_key));
87
84
 	index_key.type = &key_type_keyring;
88
85
 	index_key.description = buf;
89
86
 	index_key.desc_len = sprintf(buf, "_persistent.%u", from_kuid(ns, uid));
87
+	key_set_index_key(&index_key);
90
88
 
91
89
 	if (ns->persistent_keyring_register) {
92
90
 		reg_ref = make_key_ref(ns->persistent_keyring_register, true);
93
-		down_read(&ns->persistent_keyring_register_sem);
91
+		down_read(&ns->keyring_sem);
94
92
 		persistent_ref = find_key_to_update(reg_ref, &index_key);
95
-		up_read(&ns->persistent_keyring_register_sem);
93
+		up_read(&ns->keyring_sem);
96
94
 
97
95
 		if (persistent_ref)
98
96
 			goto found;
..
..
@@ -101,9 +99,9 @@
101
99
 	/* It wasn't in the register, so we'll need to create it.  We might
102
100
 	 * also need to create the register.
103
101
 	 */
104
-	down_write(&ns->persistent_keyring_register_sem);
102
+	down_write(&ns->keyring_sem);
105
103
 	persistent_ref = key_create_persistent(ns, uid, &index_key);
106
-	up_write(&ns->persistent_keyring_register_sem);
104
+	up_write(&ns->keyring_sem);
107
105
 	if (!IS_ERR(persistent_ref))
108
106
 		goto found;
109
107