1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* Error injection handling. 2 /* Error injection handling.
3 * 3 *
4 * Copyright (C) 2021 Red Hat, Inc. All Rights 4 * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.c 5 * Written by David Howells (dhowells@redhat.com)
6 */ 6 */
7 7
8 #include <linux/sysctl.h> 8 #include <linux/sysctl.h>
9 #include "internal.h" 9 #include "internal.h"
10 10
11 unsigned int cachefiles_error_injection_state; 11 unsigned int cachefiles_error_injection_state;
12 12
13 static struct ctl_table_header *cachefiles_sys 13 static struct ctl_table_header *cachefiles_sysctl;
14 static struct ctl_table cachefiles_sysctls[] = 14 static struct ctl_table cachefiles_sysctls[] = {
15 { 15 {
16 .procname = "error_injec 16 .procname = "error_injection",
17 .data = &cachefiles_ 17 .data = &cachefiles_error_injection_state,
18 .maxlen = sizeof(unsig 18 .maxlen = sizeof(unsigned int),
19 .mode = 0644, 19 .mode = 0644,
20 .proc_handler = proc_douintv 20 .proc_handler = proc_douintvec,
21 }, 21 },
22 }; 22 };
23 23
24 int __init cachefiles_register_error_injection 24 int __init cachefiles_register_error_injection(void)
25 { 25 {
26 cachefiles_sysctl = register_sysctl("c 26 cachefiles_sysctl = register_sysctl("cachefiles", cachefiles_sysctls);
27 if (!cachefiles_sysctl) 27 if (!cachefiles_sysctl)
28 return -ENOMEM; 28 return -ENOMEM;
29 return 0; 29 return 0;
30 30
31 } 31 }
32 32
33 void cachefiles_unregister_error_injection(voi 33 void cachefiles_unregister_error_injection(void)
34 { 34 {
35 unregister_sysctl_table(cachefiles_sys 35 unregister_sysctl_table(cachefiles_sysctl);
36 } 36 }
37 37
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