linux-kernel - Re: [PATCH v7 3/5] media: vsp1: wpf: Propagate vsp1_rwpf_init

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]

Message-ID: <20250401200809.GH1240431@ragnatech.se>
Date: Tue, 1 Apr 2025 22:08:09 +0200
From: Niklas Söderlund <niklas.soderlund@...natech.se>
To: Jacopo Mondi <jacopo.mondi+renesas@...asonboard.com>
Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v7 3/5] media: vsp1: wpf: Propagate vsp1_rwpf_init_ctrls()

Hi Jacopo,

Thanks for your patch.

On 2025-04-01 16:22:03 +0200, Jacopo Mondi wrote:
> vsp1_wpf.c calls vsp1_rwpf_init_ctrls() to initialize controls that
> are common between RPF and WPF.
> 
> However, the vsp1_wpf.c implementation does not check for the function
> call return value. Fix this by propagating to the caller the return
> value.
> 
> While at it, drop a duplicated error message in wpf_init_controls() as
> the caller already report it.
> 
> Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@...asonboard.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

> 
> ---
> v2->v3:
>   - New patch
> ---
>  drivers/media/platform/renesas/vsp1/vsp1_wpf.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/media/platform/renesas/vsp1/vsp1_wpf.c b/drivers/media/platform/renesas/vsp1/vsp1_wpf.c
> index f176750ccd98..da651a882bbb 100644
> --- a/drivers/media/platform/renesas/vsp1/vsp1_wpf.c
> +++ b/drivers/media/platform/renesas/vsp1/vsp1_wpf.c
> @@ -133,6 +133,7 @@ static int wpf_init_controls(struct vsp1_rwpf *wpf)
>  {
>  	struct vsp1_device *vsp1 = wpf->entity.vsp1;
>  	unsigned int num_flip_ctrls;
> +	int ret;
>  
>  	spin_lock_init(&wpf->flip.lock);
>  
> @@ -156,7 +157,9 @@ static int wpf_init_controls(struct vsp1_rwpf *wpf)
>  		num_flip_ctrls = 0;
>  	}
>  
> -	vsp1_rwpf_init_ctrls(wpf, num_flip_ctrls);
> +	ret = vsp1_rwpf_init_ctrls(wpf, num_flip_ctrls);
> +	if (ret < 0)
> +		return ret;
>  
>  	if (num_flip_ctrls >= 1) {
>  		wpf->flip.ctrls.vflip =
> @@ -174,11 +177,8 @@ static int wpf_init_controls(struct vsp1_rwpf *wpf)
>  		v4l2_ctrl_cluster(3, &wpf->flip.ctrls.vflip);
>  	}
>  
> -	if (wpf->ctrls.error) {
> -		dev_err(vsp1->dev, "wpf%u: failed to initialize controls\n",
> -			wpf->entity.index);
> +	if (wpf->ctrls.error)
>  		return wpf->ctrls.error;
> -	}
>  
>  	return 0;
>  }
> 
> -- 
> 2.48.1
> 

-- 
Kind Regards,
Niklas Söderlund