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* [PATCH] scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc
@ 2018-11-01  4:19 Souptick Joarder
  2018-11-01 20:55 ` Kees Cook
  2018-11-22  3:06 ` Martin K. Petersen
  0 siblings, 2 replies; 4+ messages in thread
From: Souptick Joarder @ 2018-11-01  4:19 UTC (permalink / raw)
  To: jejb, martin.petersen, keescook
  Cc: linux-scsi, linux-kernel, brajeswar.linux, sabyasachi.linux

Replaced dma_pool_alloc + memset with dma_pool_zalloc

Signed-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com>
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
---
 drivers/scsi/aic94xx/aic94xx_hwi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c
index 3b8ad55e59de..2bc7615193bd 100644
--- a/drivers/scsi/aic94xx/aic94xx_hwi.c
+++ b/drivers/scsi/aic94xx/aic94xx_hwi.c
@@ -1057,14 +1057,13 @@ static struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha,
 
 	if (ascb) {
 		ascb->dma_scb.size = sizeof(struct scb);
-		ascb->dma_scb.vaddr = dma_pool_alloc(asd_ha->scb_pool,
+		ascb->dma_scb.vaddr = dma_pool_zalloc(asd_ha->scb_pool,
 						     gfp_flags,
 						    &ascb->dma_scb.dma_handle);
 		if (!ascb->dma_scb.vaddr) {
 			kmem_cache_free(asd_ascb_cache, ascb);
 			return NULL;
 		}
-		memset(ascb->dma_scb.vaddr, 0, sizeof(struct scb));
 		asd_init_ascb(asd_ha, ascb);
 
 		spin_lock_irqsave(&seq->tc_index_lock, flags);
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc
  2018-11-01  4:19 [PATCH] scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc Souptick Joarder
@ 2018-11-01 20:55 ` Kees Cook
  2018-11-02  5:54   ` Souptick Joarder
  2018-11-22  3:06 ` Martin K. Petersen
  1 sibling, 1 reply; 4+ messages in thread
From: Kees Cook @ 2018-11-01 20:55 UTC (permalink / raw)
  To: Souptick Joarder
  Cc: James E.J. Bottomley, Martin K. Petersen, linux-scsi, LKML,
	brajeswar.linux, sabyasachi.linux

On Wed, Oct 31, 2018 at 9:19 PM, Souptick Joarder <jrdr.linux@gmail.com> wrote:
> Replaced dma_pool_alloc + memset with dma_pool_zalloc
>
> Signed-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com>
> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>

Reviewed-by: Kees Cook <keescook@chromium.org>

-Kees

> ---
>  drivers/scsi/aic94xx/aic94xx_hwi.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c
> index 3b8ad55e59de..2bc7615193bd 100644
> --- a/drivers/scsi/aic94xx/aic94xx_hwi.c
> +++ b/drivers/scsi/aic94xx/aic94xx_hwi.c
> @@ -1057,14 +1057,13 @@ static struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha,
>
>         if (ascb) {
>                 ascb->dma_scb.size = sizeof(struct scb);
> -               ascb->dma_scb.vaddr = dma_pool_alloc(asd_ha->scb_pool,
> +               ascb->dma_scb.vaddr = dma_pool_zalloc(asd_ha->scb_pool,
>                                                      gfp_flags,
>                                                     &ascb->dma_scb.dma_handle);
>                 if (!ascb->dma_scb.vaddr) {
>                         kmem_cache_free(asd_ascb_cache, ascb);
>                         return NULL;
>                 }
> -               memset(ascb->dma_scb.vaddr, 0, sizeof(struct scb));
>                 asd_init_ascb(asd_ha, ascb);
>
>                 spin_lock_irqsave(&seq->tc_index_lock, flags);
> --
> 2.17.1
>



-- 
Kees Cook

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc
  2018-11-01 20:55 ` Kees Cook
@ 2018-11-02  5:54   ` Souptick Joarder
  0 siblings, 0 replies; 4+ messages in thread
From: Souptick Joarder @ 2018-11-02  5:54 UTC (permalink / raw)
  To: Kees Cook
  Cc: James Bottomley, Martin K. Petersen, linux-scsi, linux-kernel,
	Brajeswar Ghosh, Sabyasachi Gupta

On Fri, Nov 2, 2018 at 2:25 AM Kees Cook <keescook@chromium.org> wrote:
>
> On Wed, Oct 31, 2018 at 9:19 PM, Souptick Joarder <jrdr.linux@gmail.com> wrote:
> > Replaced dma_pool_alloc + memset with dma_pool_zalloc
> >
> > Signed-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com>
> > Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
>
> Reviewed-by: Kees Cook <keescook@chromium.org>

Thanks Kees.
>
> -Kees
>
> > ---
> >  drivers/scsi/aic94xx/aic94xx_hwi.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c
> > index 3b8ad55e59de..2bc7615193bd 100644
> > --- a/drivers/scsi/aic94xx/aic94xx_hwi.c
> > +++ b/drivers/scsi/aic94xx/aic94xx_hwi.c
> > @@ -1057,14 +1057,13 @@ static struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha,
> >
> >         if (ascb) {
> >                 ascb->dma_scb.size = sizeof(struct scb);
> > -               ascb->dma_scb.vaddr = dma_pool_alloc(asd_ha->scb_pool,
> > +               ascb->dma_scb.vaddr = dma_pool_zalloc(asd_ha->scb_pool,
> >                                                      gfp_flags,
> >                                                     &ascb->dma_scb.dma_handle);
> >                 if (!ascb->dma_scb.vaddr) {
> >                         kmem_cache_free(asd_ascb_cache, ascb);
> >                         return NULL;
> >                 }
> > -               memset(ascb->dma_scb.vaddr, 0, sizeof(struct scb));
> >                 asd_init_ascb(asd_ha, ascb);
> >
> >                 spin_lock_irqsave(&seq->tc_index_lock, flags);
> > --
> > 2.17.1
> >
>
>
>
> --
> Kees Cook

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc
  2018-11-01  4:19 [PATCH] scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc Souptick Joarder
  2018-11-01 20:55 ` Kees Cook
@ 2018-11-22  3:06 ` Martin K. Petersen
  1 sibling, 0 replies; 4+ messages in thread
From: Martin K. Petersen @ 2018-11-22  3:06 UTC (permalink / raw)
  To: Souptick Joarder
  Cc: jejb, martin.petersen, keescook, linux-scsi, linux-kernel,
	brajeswar.linux, sabyasachi.linux


Souptick,

> Replaced dma_pool_alloc + memset with dma_pool_zalloc

Applied to 4.21/scsi-queue, thanks.

-- 
Martin K. Petersen	Oracle Linux Engineering

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2018-11-22  3:06 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2018-11-01  4:19 [PATCH] scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc Souptick Joarder
2018-11-01 20:55 ` Kees Cook
2018-11-02  5:54   ` Souptick Joarder
2018-11-22  3:06 ` Martin K. Petersen

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