linux-kernel - Re: [PATCH 7/9] media: ti-vpe: Do not zero reserved fields

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Date:   Tue, 12 Jan 2021 11:12:36 +0000
From:   Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
To:     Ricardo Ribalda <ribalda@...omium.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Benoit Parrot <bparrot@...com>
Subject: Re: [PATCH 7/9] media: ti-vpe: Do not zero reserved fields

Hi Ricardo,

On 11/01/2021 14:54, Ricardo Ribalda wrote:
> Core code already clears reserved fields of struct
> v4l2_pix_format_mplane, check: 4e1e0eb0e074 ("media: v4l2-ioctl: Zero
> v4l2_plane_pix_format reserved fields").


Reviewed-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>

> Cc: Benoit Parrot <bparrot@...com>
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
> ---
>  drivers/media/platform/ti-vpe/vpe.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
> index 779dd74b82d0..10251b787674 100644
> --- a/drivers/media/platform/ti-vpe/vpe.c
> +++ b/drivers/media/platform/ti-vpe/vpe.c
> @@ -1683,7 +1683,6 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
>  		}
>  	}
>  
> -	memset(pix->reserved, 0, sizeof(pix->reserved));
>  	for (i = 0; i < pix->num_planes; i++) {
>  		plane_fmt = &pix->plane_fmt[i];
>  		depth = fmt->vpdma_fmt[i]->depth;
> @@ -1713,7 +1712,6 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
>  					       plane_fmt->bytesperline *
>  					       depth) >> 3;
>  		}
> -		memset(plane_fmt->reserved, 0, sizeof(plane_fmt->reserved));
>  	}
>  
>  	return 0;
>