From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Andrey Konovalov <andreyknvl@google.com>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
kasan-dev@googlegroups.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Cc: Kostya Serebryany <kcc@google.com>, kbuild test robot <lkp@intel.com>
Subject: Re: [PATCH] kasan: fix coccinelle warnings in kasan_p*_table
Date: Tue, 5 Mar 2019 19:14:05 +0300 [thread overview]
Message-ID: <67536e1d-2819-553d-521c-bae21a51e0f7@virtuozzo.com> (raw)
In-Reply-To: <1fa6fadf644859e8a6a8ecce258444b49be8c7ee.1551716733.git.andreyknvl@google.com>
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;
>
next prev parent reply other threads:[~2019-03-05 16:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-04 17:04 [PATCH] kasan: fix coccinelle warnings in kasan_p*_table Andrey Konovalov
2019-03-05 16:14 ` Andrey Ryabinin [this message]
2019-03-08 3:03 ` Souptick Joarder
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