From: Chen Gang <cheng...@emindsoft.com.cn> According to kasan_[dis|en]able_current() comments and the kasan_depth' s initialization, if kasan_depth is zero, it means disable.
So need use "!!kasan_depth" instead of "!kasan_depth" for checking enable. Signed-off-by: Chen Gang <gang.chen.5...@gmail.com> --- mm/kasan/kasan.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 7da78a6..6464b8f 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -102,7 +102,7 @@ static inline const void *kasan_shadow_to_mem(const void *shadow_addr) static inline bool kasan_report_enabled(void) { - return !current->kasan_depth; + return !!current->kasan_depth; } void kasan_report(unsigned long addr, size_t size, -- 1.9.3