On Tue, Nov 1, 2022 at 5:15 PM Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote: > > 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>) > > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> > --- > This patch is part of a serie that axes all usages of strtobool(). > Each patch can be applied independently from the other ones. > > The last patch of the serie removes the definition of strtobool(). > > You may not be in copy of the cover letter. So, if needed, it is available > at [1]. > > [1]: https://lore.kernel.org/all/cover.1667336095.git.christophe.jaillet@xxxxxxxxxx/ > --- > mm/page_table_check.c | 3 ++- > mm/usercopy.c | 3 ++- > 2 files changed, 4 insertions(+), 2 deletions(-) > > diff --git a/mm/page_table_check.c b/mm/page_table_check.c > index 433dbce13fe1..93e633c1d587 100644 > --- a/mm/page_table_check.c > +++ b/mm/page_table_check.c > @@ -4,6 +4,7 @@ > * Copyright (c) 2021, Google LLC. > * Pasha Tatashin <pasha.tatashin@xxxxxxxxxx> > */ > +#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); > } Acked-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx> > > early_param("page_table_check", early_page_table_check_param); > diff --git a/mm/usercopy.c b/mm/usercopy.c > index c1ee15a98633..4c3164beacec 100644 > --- a/mm/usercopy.c > +++ b/mm/usercopy.c > @@ -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; > -- > 2.34.1 >