Re: [PATCH] mm/kasan/kasan_init: use true and false for boolean values

From: Dmitry Vyukov
Date: Mon Aug 06 2018 - 08:05:44 EST


On Mon, Aug 6, 2018 at 1:39 PM, Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> wrote:
> Hi Dmitry,
>
> On 08/06/2018 04:04 AM, Dmitry Vyukov wrote:
>> On Sun, Aug 5, 2018 at 12:08 AM, Gustavo A. R. Silva
>> <gustavo@xxxxxxxxxxxxxx> wrote:
>>> Return statements in functions returning bool should use true or false
>>> instead of an integer value.
>>>
>>> This code was detected with the help of Coccinelle.
>>>
>>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
>>
>> Hi Gustavo,
>>
>> I don't see this code in upstream tree. Is it against some other tree? Which?
>>
>
> Yep. It's against linux-next.

See it now.

Acked-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>

Thanks

> Should I use [PATCH next] in the subject next time?

I dunno. I just find this part of kernel development process strange
and confusing. Say, how should testing of kernel patches work? Usually
today base commit is just captured by review system.

> Thanks
> --
> Gustavo
>
>> Thanks
>>
>>> ---
>>> mm/kasan/kasan_init.c | 6 +++---
>>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/mm/kasan/kasan_init.c b/mm/kasan/kasan_init.c
>>> index 7a2a2f1..c742dc5 100644
>>> --- a/mm/kasan/kasan_init.c
>>> +++ b/mm/kasan/kasan_init.c
>>> @@ -42,7 +42,7 @@ static inline bool kasan_p4d_table(pgd_t pgd)
>>> #else
>>> static inline bool kasan_p4d_table(pgd_t pgd)
>>> {
>>> - return 0;
>>> + return false;
>>> }
>>> #endif
>>> #if CONFIG_PGTABLE_LEVELS > 3
>>> @@ -54,7 +54,7 @@ static inline bool kasan_pud_table(p4d_t p4d)
>>> #else
>>> static inline bool kasan_pud_table(p4d_t p4d)
>>> {
>>> - return 0;
>>> + return false;
>>> }
>>> #endif
>>> #if CONFIG_PGTABLE_LEVELS > 2
>>> @@ -66,7 +66,7 @@ static inline bool kasan_pmd_table(pud_t pud)
>>> #else
>>> static inline bool kasan_pmd_table(pud_t pud)
>>> {
>>> - return 0;
>>> + return false;
>>> }
>>> #endif
>>> pte_t kasan_zero_pte[PTRS_PER_PTE] __page_aligned_bss;
>>> --
>>> 2.7.4