Re: [PATCH] staging: media: hantro: Remove call to memset after dma_alloc_coherent

2019-08-18 Thread Tomasz Figa
Hi Hans,

On Thu, Jul 25, 2019 at 8:50 PM Boris Brezillon
 wrote:
>
> On Thu, 25 Jul 2019 08:36:02 +0530
> Hariprasad Kelam  wrote:
>
> > fix below issue reported by coccicheck
> > /drivers/staging/media/hantro/hantro_vp8.c:149:16-34: WARNING:
> > dma_alloc_coherent use in aux_buf -> cpu already zeroes out memory,  so
> > memset is not needed
> >
> > Signed-off-by: Hariprasad Kelam 
>
> Reviewed-by: Boris Brezillon 
>
> > ---
> >  drivers/staging/media/hantro/hantro_vp8.c | 2 --
> >  1 file changed, 2 deletions(-)
> >
> > diff --git a/drivers/staging/media/hantro/hantro_vp8.c 
> > b/drivers/staging/media/hantro/hantro_vp8.c
> > index 66c4533..363ddda 100644
> > --- a/drivers/staging/media/hantro/hantro_vp8.c
> > +++ b/drivers/staging/media/hantro/hantro_vp8.c
> > @@ -151,8 +151,6 @@ int hantro_vp8_dec_init(struct hantro_ctx *ctx)
> >   if (!aux_buf->cpu)
> >   return -ENOMEM;
> >
> > - memset(aux_buf->cpu, 0, aux_buf->size);
> > -
> >   /*
> >* Allocate probability table buffer,
> >* total 1208 bytes, 4K page is far enough.
>

Is this something you will pick to your tree?

Best regards,
Tomasz
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Re: [PATCH] staging: media: hantro: Remove call to memset after dma_alloc_coherent

2019-08-18 Thread Tomasz Figa
On Mon, Aug 19, 2019 at 1:17 PM Tomasz Figa  wrote:
>
> Hi Hans,
>
> On Thu, Jul 25, 2019 at 8:50 PM Boris Brezillon
>  wrote:
> >
> > On Thu, 25 Jul 2019 08:36:02 +0530
> > Hariprasad Kelam  wrote:
> >
> > > fix below issue reported by coccicheck
> > > /drivers/staging/media/hantro/hantro_vp8.c:149:16-34: WARNING:
> > > dma_alloc_coherent use in aux_buf -> cpu already zeroes out memory,  so
> > > memset is not needed
> > >
> > > Signed-off-by: Hariprasad Kelam 
> >
> > Reviewed-by: Boris Brezillon 
> >
> > > ---
> > >  drivers/staging/media/hantro/hantro_vp8.c | 2 --
> > >  1 file changed, 2 deletions(-)
> > >
> > > diff --git a/drivers/staging/media/hantro/hantro_vp8.c 
> > > b/drivers/staging/media/hantro/hantro_vp8.c
> > > index 66c4533..363ddda 100644
> > > --- a/drivers/staging/media/hantro/hantro_vp8.c
> > > +++ b/drivers/staging/media/hantro/hantro_vp8.c
> > > @@ -151,8 +151,6 @@ int hantro_vp8_dec_init(struct hantro_ctx *ctx)
> > >   if (!aux_buf->cpu)
> > >   return -ENOMEM;
> > >
> > > - memset(aux_buf->cpu, 0, aux_buf->size);
> > > -
> > >   /*
> > >* Allocate probability table buffer,
> > >* total 1208 bytes, 4K page is far enough.
> >
>
> Is this something you will pick to your tree?

Ah, sorry, this is already applied. Not sure why searching for it the
first time didn't show anything. I guess I need to start repeating my
searches by default. Sorry for the noise.

Best regards,
Tomasz
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Re: [PATCH] staging: media: hantro: Remove call to memset after dma_alloc_coherent

2019-07-25 Thread Boris Brezillon
On Thu, 25 Jul 2019 08:36:02 +0530
Hariprasad Kelam  wrote:

> fix below issue reported by coccicheck
> /drivers/staging/media/hantro/hantro_vp8.c:149:16-34: WARNING:
> dma_alloc_coherent use in aux_buf -> cpu already zeroes out memory,  so
> memset is not needed
> 
> Signed-off-by: Hariprasad Kelam 

Reviewed-by: Boris Brezillon 

> ---
>  drivers/staging/media/hantro/hantro_vp8.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/staging/media/hantro/hantro_vp8.c 
> b/drivers/staging/media/hantro/hantro_vp8.c
> index 66c4533..363ddda 100644
> --- a/drivers/staging/media/hantro/hantro_vp8.c
> +++ b/drivers/staging/media/hantro/hantro_vp8.c
> @@ -151,8 +151,6 @@ int hantro_vp8_dec_init(struct hantro_ctx *ctx)
>   if (!aux_buf->cpu)
>   return -ENOMEM;
>  
> - memset(aux_buf->cpu, 0, aux_buf->size);
> -
>   /*
>* Allocate probability table buffer,
>* total 1208 bytes, 4K page is far enough.

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[PATCH] staging: media: hantro: Remove call to memset after dma_alloc_coherent

2019-07-24 Thread Hariprasad Kelam
fix below issue reported by coccicheck
/drivers/staging/media/hantro/hantro_vp8.c:149:16-34: WARNING:
dma_alloc_coherent use in aux_buf -> cpu already zeroes out memory,  so
memset is not needed

Signed-off-by: Hariprasad Kelam 
---
 drivers/staging/media/hantro/hantro_vp8.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_vp8.c 
b/drivers/staging/media/hantro/hantro_vp8.c
index 66c4533..363ddda 100644
--- a/drivers/staging/media/hantro/hantro_vp8.c
+++ b/drivers/staging/media/hantro/hantro_vp8.c
@@ -151,8 +151,6 @@ int hantro_vp8_dec_init(struct hantro_ctx *ctx)
if (!aux_buf->cpu)
return -ENOMEM;
 
-   memset(aux_buf->cpu, 0, aux_buf->size);
-
/*
 * Allocate probability table buffer,
 * total 1208 bytes, 4K page is far enough.
-- 
2.7.4

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