[PATCH v5 02/15] mm/kasan: rename 'kasan_arg' to 'kasan_arg_disabled'

[Baoquan He]

And change it to be a bool variable. This is prepared for later
usage.

Signed-off-by: Baoquan He <b...@redhat.com>
---
 mm/kasan/hw_tags.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c
index cbef5e450954..26a69f0d822c 100644
--- a/mm/kasan/hw_tags.c
+++ b/mm/kasan/hw_tags.c
@@ -22,12 +22,6 @@
 
 #include "kasan.h"
 
-enum kasan_arg {
-       KASAN_ARG_DEFAULT,
-       KASAN_ARG_OFF,
-       KASAN_ARG_ON,
-};
-
 enum kasan_arg_mode {
        KASAN_ARG_MODE_DEFAULT,
        KASAN_ARG_MODE_SYNC,
@@ -41,7 +35,7 @@ enum kasan_arg_vmalloc {
        KASAN_ARG_VMALLOC_ON,
 };
 
-static enum kasan_arg kasan_arg __ro_after_init;
+bool kasan_arg_disabled __ro_after_init;
 static enum kasan_arg_mode kasan_arg_mode __ro_after_init;
 static enum kasan_arg_vmalloc kasan_arg_vmalloc __initdata;
 
@@ -88,9 +82,9 @@ static int __init early_kasan_flag(char *arg)
                return -EINVAL;
 
        if (!strcmp(arg, "off"))
-               kasan_arg = KASAN_ARG_OFF;
+               kasan_arg_disabled = true;
        else if (!strcmp(arg, "on"))
-               kasan_arg = KASAN_ARG_ON;
+               kasan_arg_disabled = false;
        else
                return -EINVAL;
 
@@ -222,7 +216,7 @@ void kasan_init_hw_tags_cpu(void)
         * When this function is called, kasan_flag_enabled is not yet
         * set by kasan_init_hw_tags(). Thus, check kasan_arg instead.
         */
-       if (kasan_arg == KASAN_ARG_OFF)
+       if (kasan_arg_disabled)
                return;
 
        /*
@@ -240,7 +234,7 @@ void __init kasan_init_hw_tags(void)
                return;
 
        /* If KASAN is disabled via command line, don't initialize it. */
-       if (kasan_arg == KASAN_ARG_OFF)
+       if (kasan_arg_disabled)
                return;
 
        switch (kasan_arg_mode) {
-- 
2.52.0