linux-kernel - [PATCH] kasan: mark KASAN_VMALLOC flags as kasan_vmalloc_flags

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Message-Id: <52d8fccdd3a48d4bdfd0ff522553bac2a13f1579.1649351254.git.andreyknvl@google.com>
Date:   Thu,  7 Apr 2022 19:08:37 +0200
From:   andrey.konovalov@...ux.dev
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Andrey Konovalov <andreyknvl@...il.com>,
        Marco Elver <elver@...gle.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        kasan-dev@...glegroups.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] kasan: mark KASAN_VMALLOC flags as kasan_vmalloc_flags_t

From: Andrey Konovalov <andreyknvl@...gle.com>

Fix sparse warning:

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

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
---
 include/linux/kasan.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index ceebcb9de7bf..b092277bf48d 100644
--- 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)
 
-- 
2.25.1