[PATCH 39/44] drm/cirrus: Use devm_drm_dev_alloc

[Sam Ravnborg]

On Fri, Apr 03, 2020 at 03:58:23PM +0200, Daniel Vetter wrote:
> Already using devm_drm_dev_init, so very simple replacment.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Dave Airlie <airlied at redhat.com>
> Cc: Gerd Hoffmann <kraxel at redhat.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Cc: "Noralf Trønnes" <noralf at tronnes.org>
> Cc: Rob Herring <robh at kernel.org>
> Cc: Thomas Zimmermann <tzimmermann at suse.de>
> Cc: virtualization at lists.linux-foundation.org
> Cc: Emil Velikov <emil.velikov at collabora.com>
Acked-by: Sam Ravnborg <sam at ravnborg.org>

> ---
>  drivers/gpu/drm/cirrus/cirrus.c | 13 ++++---------
>  1 file changed, 4 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/cirrus/cirrus.c b/drivers/gpu/drm/cirrus/cirrus.c
> index a36269717c3b..4b65637147ba 100644
> --- a/drivers/gpu/drm/cirrus/cirrus.c
> +++ b/drivers/gpu/drm/cirrus/cirrus.c
> @@ -567,18 +567,13 @@ static int cirrus_pci_probe(struct pci_dev *pdev,
>  		return ret;
>  
>  	ret = -ENOMEM;
> -	cirrus = kzalloc(sizeof(*cirrus), GFP_KERNEL);
> -	if (cirrus == NULL)
> -		return ret;
> +	cirrus = devm_drm_dev_alloc(&pdev->dev, &cirrus_driver,
> +				    struct cirrus_device, dev);
> +	if (IS_ERR(cirrus))
> +		return PTR_ERR(cirrus);
>  
>  	dev = &cirrus->dev;
> -	ret = devm_drm_dev_init(&pdev->dev, dev, &cirrus_driver);
> -	if (ret) {
> -		kfree(cirrus);
> -		return ret;
> -	}
>  	dev->dev_private = cirrus;
> -	drmm_add_final_kfree(dev, cirrus);
>  
>  	cirrus->vram = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0),
>  				    pci_resource_len(pdev, 0));
> -- 
> 2.25.1
> 
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