mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 03:10:12 +00:00
![Austin Kim](/assets/img/avatar_default.png)
With W=1 build, the compiler throws warning message as below:
security/integrity/ima/ima_mok.c:24:12: warning:
no previous prototype for ‘ima_mok_init’ [-Wmissing-prototypes]
__init int ima_mok_init(void)
Silence the warning by adding static keyword to ima_mok_init().
Signed-off-by: Austin Kim <austin.kim@lge.com>
Fixes: 41c89b64d7
("IMA: create machine owner and blacklist keyrings")
Cc: stable@vger.kernel.org
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (C) 2015 Juniper Networks, Inc.
|
|
*
|
|
* Author:
|
|
* Petko Manolov <petko.manolov@konsulko.com>
|
|
*/
|
|
|
|
#include <linux/export.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/cred.h>
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/slab.h>
|
|
#include <keys/system_keyring.h>
|
|
|
|
|
|
struct key *ima_blacklist_keyring;
|
|
|
|
/*
|
|
* Allocate the IMA blacklist keyring
|
|
*/
|
|
static __init int ima_mok_init(void)
|
|
{
|
|
struct key_restriction *restriction;
|
|
|
|
pr_notice("Allocating IMA blacklist keyring.\n");
|
|
|
|
restriction = kzalloc(sizeof(struct key_restriction), GFP_KERNEL);
|
|
if (!restriction)
|
|
panic("Can't allocate IMA blacklist restriction.");
|
|
|
|
restriction->check = restrict_link_by_builtin_trusted;
|
|
|
|
ima_blacklist_keyring = keyring_alloc(".ima_blacklist",
|
|
KUIDT_INIT(0), KGIDT_INIT(0), current_cred(),
|
|
(KEY_POS_ALL & ~KEY_POS_SETATTR) |
|
|
KEY_USR_VIEW | KEY_USR_READ |
|
|
KEY_USR_WRITE | KEY_USR_SEARCH,
|
|
KEY_ALLOC_NOT_IN_QUOTA |
|
|
KEY_ALLOC_SET_KEEP,
|
|
restriction, NULL);
|
|
|
|
if (IS_ERR(ima_blacklist_keyring))
|
|
panic("Can't allocate IMA blacklist keyring.");
|
|
return 0;
|
|
}
|
|
device_initcall(ima_mok_init);
|