Re: [PATCH] accel/ivpu: Use struct_size()

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On Thu, Jun 01, 2023 at 05:58:48PM +0200, Marco Pagani wrote:
> 
> On 2023-05-29 15:28, Christophe JAILLET wrote:
> > Use struct_size() instead of hand-writing it. It is less verbose, more
> > robust and more informative.
> > 
> > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> 
> Reviewed-by: Marco Pagani <marpagan@xxxxxxxxxx>
Applied to drm-misc-next

Thanks
Stanislaw

> 
> > ---
> >  drivers/accel/ivpu/ivpu_job.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> > 
> > diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c
> > index 3c6f1e16cf2f..0a09bba8da24 100644
> > --- a/drivers/accel/ivpu/ivpu_job.c
> > +++ b/drivers/accel/ivpu/ivpu_job.c
> > @@ -289,15 +289,13 @@ ivpu_create_job(struct ivpu_file_priv *file_priv, u32 engine_idx, u32 bo_count)
> >  {
> >  	struct ivpu_device *vdev = file_priv->vdev;
> >  	struct ivpu_job *job;
> > -	size_t buf_size;
> >  	int ret;
> >  
> >  	ret = ivpu_rpm_get(vdev);
> >  	if (ret < 0)
> >  		return NULL;
> >  
> > -	buf_size = sizeof(*job) + bo_count * sizeof(struct ivpu_bo *);
> > -	job = kzalloc(buf_size, GFP_KERNEL);
> > +	job = kzalloc(struct_size(job, bos, bo_count), GFP_KERNEL);
> >  	if (!job)
> >  		goto err_rpm_put;
> >  
> 



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