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SubjectRe: [PATCH] kasan: fix coccinelle warnings in kasan_p*_table
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On 3/4/19 8:04 PM, Andrey Konovalov wrote:
> kasan_p4d_table, kasan_pmd_table and kasan_pud_table are declared as
> returning bool, but return 0 instead of false, which produces a coccinelle
> warning. Fix it.
>
> Fixes: 0207df4fa1a8 ("kernel/memremap, kasan: make ZONE_DEVICE with work with KASAN")
> Reported-by: kbuild test robot <lkp@intel.com>
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> ---

Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>


> mm/kasan/init.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/mm/kasan/init.c b/mm/kasan/init.c
> index 45a1b5e38e1e..fcaa1ca03175 100644
> --- a/mm/kasan/init.c
> +++ b/mm/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_early_shadow_pte[PTRS_PER_PTE] __page_aligned_bss;
>

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