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

From: Dmitry Vyukov
Date: Mon Aug 06 2018 - 05:04:46 EST


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?

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