From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx> Subject: mm/page_table_check.c: use strtobool for param parsing Use strtobool rather than open coding "on" and "off" parsing. Link: https://lkml.kernel.org/r/20220227181038.126926-1-linux@xxxxxxxxxxx Signed-off-by: Dr. David Alan Gilbert <linux@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_table_check.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) --- a/mm/page_table_check.c~mm-use-strtobool-for-param-parsing +++ a/mm/page_table_check.c @@ -23,15 +23,7 @@ EXPORT_SYMBOL(page_table_check_disabled) static int __init early_page_table_check_param(char *buf) { - if (!buf) - return -EINVAL; - - if (strcmp(buf, "on") == 0) - __page_table_check_enabled = true; - else if (strcmp(buf, "off") == 0) - __page_table_check_enabled = false; - - return 0; + return strtobool(buf, &__page_table_check_enabled); } early_param("page_table_check", early_page_table_check_param); _