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mm: use kstrtobool() instead of strtobool()

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strtobool() is the same as kstrtobool().  However, the latter is more used
within the kernel.

In order to remove strtobool() and slightly simplify kstrtox.h, switch to
the other function name.

While at it, include the corresponding header file (<linux/kstrtox.h>)

Link: https://lkml.kernel.org/r/03f9401a6c8b87a1c786a2138d16b048f8d0eb53.1667336095.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Christophe JAILLET 2022-11-01 22:14:09 +01:00 committed by Andrew Morton
parent e6aff38b2e
commit f15be1b8d4
2 changed files with 4 additions and 2 deletions
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3
mm/page_table_check.c
View File

@ -4,6 +4,7 @@
* Copyright (c) 2021, Google LLC.
* Pasha Tatashin <pasha.tatashin@soleen.com>
*/
#include <linux/kstrtox.h>
#include <linux/mm.h>
#include <linux/page_table_check.h>
@ -23,7 +24,7 @@ EXPORT_SYMBOL(page_table_check_disabled);
static int __init early_page_table_check_param(char *buf)
{
return strtobool(buf, &__page_table_check_enabled);
return kstrtobool(buf, &__page_table_check_enabled);
}
early_param("page_table_check", early_page_table_check_param);

3
mm/usercopy.c
View File

@ -12,6 +12,7 @@
#include <linux/mm.h>
#include <linux/highmem.h>
#include <linux/kstrtox.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/sched/task.h>
@ -258,7 +259,7 @@ static bool enable_checks __initdata = true;
static int __init parse_hardened_usercopy(char *str)
{
if (strtobool(str, &enable_checks))
if (kstrtobool(str, &enable_checks))
pr_warn("Invalid option string for hardened_usercopy: '%s'\n",
str);
return 1;