diff mbox series

scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc

Message ID 20181101041909.GA3241@jordon-HP-15-Notebook-PC (mailing list archive)
State Accepted
Headers show
Series scsi/aic94xx/aic94xx_hwi.c: Use dma_pool_zalloc | expand

Commit Message

Souptick Joarder Nov. 1, 2018, 4:19 a.m. UTC
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(-)

Comments

Kees Cook Nov. 1, 2018, 8:55 p.m. UTC | #1
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
>
Souptick Joarder Nov. 2, 2018, 5:54 a.m. UTC | #2
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
Martin K. Petersen Nov. 22, 2018, 3:06 a.m. UTC | #3
Souptick,

> Replaced dma_pool_alloc + memset with dma_pool_zalloc

Applied to 4.21/scsi-queue, thanks.
diff mbox series

Patch

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);