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From:   Kefeng Wang <wangkefeng.wang@huawei.com>
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        Kefeng Wang <wangkefeng.wang@huawei.com>,
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        Andrey Konovalov <andreyknvl@gmail.com>,
        Dmitry Vyukov <dvyukov@google.com>
Subject: [PATCH v4 07/11] mm: kasan: Use is_kernel() helper
Date:   Thu, 30 Sep 2021 15:11:39 +0800
Message-ID: <20210930071143.63410-8-wangkefeng.wang@huawei.com>
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Directly use is_kernel() helper in kernel_or_module_addr().

Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/kasan/report.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 3239fd8f8747..1c955e1c98d5 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -226,7 +226,7 @@ static void describe_object(struct kmem_cache *cache, void *object,
 
 static inline bool kernel_or_module_addr(const void *addr)
 {
-	if (addr >= (void *)_stext && addr < (void *)_end)
+	if (is_kernel((unsigned long)addr))
 		return true;
 	if (is_module_address((unsigned long)addr))
 		return true;
-- 
2.26.2