linux-kernel - Re: [PATCH] drm/vgem: add missing platform_device_unregister() in vgem

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Message-ID: <20200810131227.GU2352366@phenom.ffwll.local>
Date:   Mon, 10 Aug 2020 15:12:27 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Qinglang Miao <miaoqinglang@...wei.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/vgem: add missing platform_device_unregister() in
 vgem_init()

On Mon, Aug 10, 2020 at 08:59:42PM +0800, Qinglang Miao wrote:
> When vgem_init() get into out_put, the unregister call of
> vgem_device->platform is missing. So add it before return.
> 
> Fixes: 363de9e7d4f6 "drm/vgem: Use drmm_add_final_kfree"
> Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>

Uh right I still have my series stuck which would have fixed this properly
... Thanks for your fix, both applied to drm-misc-next.
-Daniel

> ---
>  drivers/gpu/drm/vgem/vgem_drv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> index a775feda1..313339bbf 100644
> --- a/drivers/gpu/drm/vgem/vgem_drv.c
> +++ b/drivers/gpu/drm/vgem/vgem_drv.c
> @@ -471,8 +471,8 @@ static int __init vgem_init(void)
>  
>  out_put:
>  	drm_dev_put(&vgem_device->drm);
> +	platform_device_unregister(vgem_device->platform);
>  	return ret;
> -
>  out_unregister:
>  	platform_device_unregister(vgem_device->platform);
>  out_free:
> -- 
> 2.25.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch