linux-stable/security/integrity/ima/ima_mok.c
Austin Kim a32ad90426 IMA: remove -Wmissing-prototypes warning
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>
2021-07-23 08:05:06 -04:00

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);