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Message-ID: <20230925115938.GB375@pendragon.ideasonboard.com>
Date: Mon, 25 Sep 2023 14:59:38 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: linux-renesas-soc@...r.kernel.org,
Jacopo Mondi <jacopo+renesas@...ndi.org>,
Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
Niklas Söderlund
<niklas.soderlund+renesas@...natech.se>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] media: i2c: drop check because
i2c_unregister_device() is NULL safe
On Fri, Sep 22, 2023 at 10:04:19AM +0200, Wolfram Sang wrote:
> No need to check the argument of i2c_unregister_device() because the
> function itself does it.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
I'll take this in my tree and send a pull request if Sakari doesn't pick
up the patch himself.
> ---
> Build tested only. Please apply to your tree.
>
> drivers/media/i2c/rdacm20.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c
> index f4e2e2f3972a..b4647bda8c21 100644
> --- a/drivers/media/i2c/rdacm20.c
> +++ b/drivers/media/i2c/rdacm20.c
> @@ -625,8 +625,7 @@ static int rdacm20_probe(struct i2c_client *client)
> v4l2_ctrl_handler_free(&dev->ctrls);
> error:
> media_entity_cleanup(&dev->sd.entity);
> - if (dev->sensor)
> - i2c_unregister_device(dev->sensor);
> + i2c_unregister_device(dev->sensor);
>
> dev_err(&client->dev, "probe failed\n");
>
--
Regards,
Laurent Pinchart
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