* [PATCH] kasan: fix coccinelle warnings in kasan_p*_table
@ 2019-03-04 17:04 Andrey Konovalov
2019-03-05 16:14 ` Andrey Ryabinin
0 siblings, 1 reply; 3+ messages in thread
From: Andrey Konovalov @ 2019-03-04 17:04 UTC (permalink / raw)
To: Andrey Ryabinin, Alexander Potapenko, Dmitry Vyukov, kasan-dev,
linux-mm, linux-kernel
Cc: Kostya Serebryany, Andrey Konovalov, kbuild test robot
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>
---
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;
--
2.21.0.352.gf09ad66450-goog
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] kasan: fix coccinelle warnings in kasan_p*_table
2019-03-04 17:04 [PATCH] kasan: fix coccinelle warnings in kasan_p*_table Andrey Konovalov
@ 2019-03-05 16:14 ` Andrey Ryabinin
2019-03-08 3:03 ` Souptick Joarder
0 siblings, 1 reply; 3+ messages in thread
From: Andrey Ryabinin @ 2019-03-05 16:14 UTC (permalink / raw)
To: Andrey Konovalov, Alexander Potapenko, Dmitry Vyukov, kasan-dev,
linux-mm, linux-kernel, Andrew Morton
Cc: Kostya Serebryany, kbuild test robot
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;
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] kasan: fix coccinelle warnings in kasan_p*_table
2019-03-05 16:14 ` Andrey Ryabinin
@ 2019-03-08 3:03 ` Souptick Joarder
0 siblings, 0 replies; 3+ messages in thread
From: Souptick Joarder @ 2019-03-08 3:03 UTC (permalink / raw)
To: Andrey Ryabinin
Cc: Andrey Konovalov, Alexander Potapenko, Dmitry Vyukov, kasan-dev,
Linux-MM, linux-kernel, Andrew Morton, Kostya Serebryany,
kbuild test robot
On Tue, Mar 5, 2019 at 9:43 PM Andrey Ryabinin <aryabinin@virtuozzo.com> wrote:
>
>
>
> 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;
> >
>
Acked-by: Souptick Joarder <jrdr.linux@gmail.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-03-05 16:14 ` Andrey Ryabinin
2019-03-08 3:03 ` Souptick Joarder
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