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Message-ID: <YWdis9cj3OyLFNaR@fedora>
Date: Wed, 13 Oct 2021 19:50:27 -0300
From: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To: Rikard Falkeborn <rikard.falkeborn@...il.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: media: rkvdec: Constify static struct
v4l2_m2m_ops
On Wed, Oct 13, 2021 at 12:11:44AM +0200, Rikard Falkeborn wrote:
> The only usage of rkvdec_m2m_ops is to pass its address to v4l2_m2m_init(),
> which takes a pointer to const v4l2_m2m_ops as argument. Make it const
> to allow the compiler to put it in read-only memory.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
Reviewed-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
> ---
> drivers/staging/media/rkvdec/rkvdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
> index bf00fe6534a3..28aab5c7fe33 100644
> --- a/drivers/staging/media/rkvdec/rkvdec.c
> +++ b/drivers/staging/media/rkvdec/rkvdec.c
> @@ -677,7 +677,7 @@ static void rkvdec_device_run(void *priv)
> rkvdec_job_finish(ctx, VB2_BUF_STATE_ERROR);
> }
>
> -static struct v4l2_m2m_ops rkvdec_m2m_ops = {
> +static const struct v4l2_m2m_ops rkvdec_m2m_ops = {
> .device_run = rkvdec_device_run,
> };
>
> --
> 2.33.0
>
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