# \[PATCH v3 7/9\] mm: kasan: Use is\_kernel() helper

- From: Kefeng Wang \<hidden\>
- Date: 2021-09-26 07:18:37 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/09/1521827
- Thread: https://ratatoskr.run/linux-arch/2021/09/1521823/t.md

```text
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 <redacted>
---
 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

```