linux-kernel - Re: [PATCH] media: i2c: max96717: clean up on error in max96717_subdev

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Message-ID: <8d281bcbc504abaa9838ff666a36515cf7e57239.camel@collabora.com>
Date: Fri, 27 Sep 2024 12:47:03 +0200
From: Julien Massot <julien.massot@...labora.com>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>, Hans Verkuil
	 <hverkuil-cisco@...all.nl>, Sakari Ailus <sakari.ailus@...ux.intel.com>, 
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] media: i2c: max96717: clean up on error in
 max96717_subdev_init()

Hi,
On Thu, 2024-09-12 at 11:51 +0300, Dan Carpenter wrote:
> Call v4l2_ctrl_handler_free() to clean up from
> v4l2_ctrl_handler_init().
> 
> Fixes: 50f222455793 ("media: i2c: add MAX96717 driver")

The right commit to fix is:
Fixes: 19b5e5511ca4f ("media: i2c: max96717: add test pattern ctrl")

Since there was no control to free in the initial driver.

Reviewed-by: Julien Massot <julien.massot@...labora.com>

Regards,
Julien

> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> ---
> From static analysis.  Not tested.
> 
>  drivers/media/i2c/max96717.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/i2c/max96717.c
> b/drivers/media/i2c/max96717.c
> index 4e85b8eb1e77..9259d58ba734 100644
> --- a/drivers/media/i2c/max96717.c
> +++ b/drivers/media/i2c/max96717.c
> @@ -697,8 +697,10 @@ static int max96717_subdev_init(struct
> max96717_priv *priv)
>  	priv->pads[MAX96717_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
>  
>  	ret = media_entity_pads_init(&priv->sd.entity, 2, priv-
> >pads);
> -	if (ret)
> -		return dev_err_probe(dev, ret, "Failed to init
> pads\n");
> +	if (ret) {
> +		dev_err_probe(dev, ret, "Failed to init pads\n");
> +		goto err_free_ctrl;
> +	}
>  
>  	ret = v4l2_subdev_init_finalize(&priv->sd);
>  	if (ret) {

-- 
-- 
Julien Massot
Senior Software Engineer
Collabora Ltd.
Platinum Building, St John's Innovation Park, Cambridge CB4 0DS, UK
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