kasan: mark KASAN_VMALLOC flags as kasan_vmalloc_flags_t

Fix sparse warning:

mm/kasan/shadow.c:496:15: warning: restricted kasan_vmalloc_flags_t degrades to integer

Link: https://lkml.kernel.org/r/52d8fccdd3a48d4bdfd0ff522553bac2a13f1579.1649351254.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index ceebcb9..b092277 100644 (file)
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -23,10 +23,10 @@ struct task_struct;
 
 typedef unsigned int __bitwise kasan_vmalloc_flags_t;
 
-#define KASAN_VMALLOC_NONE             0x00u
-#define KASAN_VMALLOC_INIT             0x01u
-#define KASAN_VMALLOC_VM_ALLOC         0x02u
-#define KASAN_VMALLOC_PROT_NORMAL      0x04u
+#define KASAN_VMALLOC_NONE             ((__force kasan_vmalloc_flags_t)0x00u)
+#define KASAN_VMALLOC_INIT             ((__force kasan_vmalloc_flags_t)0x01u)
+#define KASAN_VMALLOC_VM_ALLOC         ((__force kasan_vmalloc_flags_t)0x02u)
+#define KASAN_VMALLOC_PROT_NORMAL      ((__force kasan_vmalloc_flags_t)0x04u)
 
 #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)