kasan: hw_tags: Use str_on_off() helper in kasan_init_hw_tags()

Remove hard-coded strings by using the str_on_off() helper function.

Link: https://lkml.kernel.org/r/20250114150935.780869-2-thorsten.blum@linux.dev
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Suggested-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Author: toblux

mm/kasan/hw_tags.c

@@ -16,6 +16,7 @@
 #include <linux/mm.h>
 #include <linux/static_key.h>
 #include <linux/string.h>
+#include <linux/string_choices.h>
 #include <linux/types.h>
 #include <linux/vmalloc.h>
 
@@ -263,8 +264,8 @@ void __init kasan_init_hw_tags(void)
 
 	pr_info("KernelAddressSanitizer initialized (hw-tags, mode=%s, vmalloc=%s, stacktrace=%s)\n",
 		kasan_mode_info(),
-		kasan_vmalloc_enabled() ? "on" : "off",
-		kasan_stack_collection_enabled() ? "on" : "off");
+		str_on_off(kasan_vmalloc_enabled()),
+		str_on_off(kasan_stack_collection_enabled()));
 }
 
 #ifdef CONFIG_KASAN_VMALLOC