summaryrefslogtreecommitdiffstats
path: root/mm/kasan/kasan.h
diff options
context:
space:
mode:
Diffstat (limited to 'mm/kasan/kasan.h')
-rw-r--r--mm/kasan/kasan.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 1298b79f9518..cc14b6e6c14c 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -341,20 +341,20 @@ static inline void kasan_unpoison(const void *address, size_t size)
round_up(size, KASAN_GRANULE_SIZE), get_tag(address));
}
-static inline bool kasan_check_invalid_free(void *addr)
+static inline bool kasan_byte_accessible(const void *addr)
{
u8 ptr_tag = get_tag(addr);
- u8 mem_tag = hw_get_mem_tag(addr);
+ u8 mem_tag = hw_get_mem_tag((void *)addr);
- return (mem_tag == KASAN_TAG_INVALID) ||
- (ptr_tag != KASAN_TAG_KERNEL && ptr_tag != mem_tag);
+ return (mem_tag != KASAN_TAG_INVALID) &&
+ (ptr_tag == KASAN_TAG_KERNEL || ptr_tag == mem_tag);
}
#else /* CONFIG_KASAN_HW_TAGS */
void kasan_poison(const void *address, size_t size, u8 value);
void kasan_unpoison(const void *address, size_t size);
-bool kasan_check_invalid_free(void *addr);
+bool kasan_byte_accessible(const void *addr);
#endif /* CONFIG_KASAN_HW_TAGS */