linux-kernel - Re: [PATCH] drm/vkms: Drop unnecessary call to drm_crtc

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Message-ID: <ZyPPw6m827Ef1_eQ@louis-chauvet-laptop>
Date: Thu, 31 Oct 2024 19:43:15 +0100
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: José Expósito <jose.exposito89@...il.com>
Cc: hamohammed.sa@...il.com, simona@...ll.ch, melissa.srw@...il.com,
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
	tzimmermann@...e.de, airlied@...il.com,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/vkms: Drop unnecessary call to drm_crtc_cleanup()

On 31/10/24 - 19:38, José Expósito wrote:
> CRTC creation uses drmm_crtc_init_with_planes(), which automatically
> handles cleanup. However, an unnecessary call to drm_crtc_cleanup() is
> still present in the vkms_output_init() error path.

Thanks!

I discussed about this with Maíra on Monday, I agree with this patch!

I will test your patch next week (checkpatch, sparse, CI) before adding
my Acked-by. One less cleanup line in configFS work, thanks!

Thanks,
Louis Chauvet
 
> Fixes: 99cc528ebe92 ("drm/vkms: Use drmm_crtc_init_with_planes()")
> Signed-off-by: José Expósito <jose.exposito89@...il.com>
> ---
>  drivers/gpu/drm/vkms/vkms_output.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
> index 0a5a185aa0b0..25a99fde126c 100644
> --- a/drivers/gpu/drm/vkms/vkms_output.c
> +++ b/drivers/gpu/drm/vkms/vkms_output.c
> @@ -92,7 +92,7 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index)
>  				 DRM_MODE_CONNECTOR_VIRTUAL);
>  	if (ret) {
>  		DRM_ERROR("Failed to init connector\n");
> -		goto err_connector;
> +		return ret;
>  	}
>  
>  	drm_connector_helper_add(connector, &vkms_conn_helper_funcs);
> @@ -131,8 +131,5 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index)
>  err_encoder:
>  	drm_connector_cleanup(connector);
>  
> -err_connector:
> -	drm_crtc_cleanup(crtc);
> -
>  	return ret;
>  }
> -- 
> 2.47.0
>