linux-kernel - Re: [PATCH 6/7] media: cedrus: Add helper for determining number of elements

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 11 Jul 2022 18:35:40 -0300
From:   Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:     Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     mripard@...nel.org, paul.kocialkowski@...tlin.com, wens@...e.org,
        samuel@...lland.org, mchehab@...nel.org,
        gregkh@...uxfoundation.org, hverkuil-cisco@...all.nl,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/7] media: cedrus: Add helper for determining number of
 elements

On Mon, Jun 20, 2022 at 07:55:16PM +0200, Jernej Skrabec wrote:
> Now that controls can be dynamic arrays, we need to know how many
> elements are in such array. Add a helper for that.
> 
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>

Reviewed-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>

> ---
>  drivers/staging/media/sunxi/cedrus/cedrus.c | 11 +++++++++++
>  drivers/staging/media/sunxi/cedrus/cedrus.h |  1 +
>  2 files changed, 12 insertions(+)
> 
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
> index 99c87319d2b4..b855e608885c 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus.c
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
> @@ -232,6 +232,17 @@ void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id)
>  	return NULL;
>  }
>  
> +u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id)
> +{
> +	unsigned int i;
> +
> +	for (i = 0; ctx->ctrls[i]; i++)
> +		if (ctx->ctrls[i]->id == id)
> +			return ctx->ctrls[i]->elems;
> +
> +	return 0;
> +}
> +
>  static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx)
>  {
>  	struct v4l2_ctrl_handler *hdl = &ctx->hdl;
> diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h
> index d2b697a9ded2..15a1bdbf6a1f 100644
> --- a/drivers/staging/media/sunxi/cedrus/cedrus.h
> +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h
> @@ -261,5 +261,6 @@ vb2_to_cedrus_buffer(const struct vb2_buffer *p)
>  }
>  
>  void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id);
> +u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id);
>  
>  #endif
> -- 
> 2.36.1
>