Re: [PATCH] drm: fix drm-get-put.cocci warnings

[Daniel Vetter]

On Thu, Apr 12, 2018 at 07:54:10AM +0200, Julia Lawall wrote:
> From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> 
>  Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference() and
>  drm_*_unreference() helpers.
> 
> Generated by: scripts/coccinelle/api/drm-get-put.cocci
> 
> Fixes: 6784ac15bc68 ("drm: Add ASPEED GFX driver")
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> Signed-off-by: Julia Lawall <julia.lawall@xxxxxxx>
> ---
> 
> tree:   https://github.com/shenki/linux drm-v1

This isn't an upstream tree (and the aspeed driver isn't in upstream
afaict), so no need for spamming mailing lists I think.

But thanks for doing all this, great motivation to put more of the drm
refactorings into cocci files.

Cheers, Daniel
> head:   9680ed7979d5d403c6bde36271a048d62c048180
> commit: 6784ac15bc6889280522b04b97f1fb1208ee45e7 [23/27] drm: Add ASPEED
> GFX
> driver
> 
>  aspeed_gfx_drv.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> --- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
> +++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
> @@ -268,7 +268,7 @@ static int aspeed_gfx_probe(struct platf
>  err_unload:
>  	aspeed_gfx_unload(drm);
>  err_free:
> -	drm_dev_unref(drm);
> +	drm_dev_put(drm);
> 
>  	return ret;
>  }
> @@ -279,7 +279,7 @@ static int aspeed_gfx_remove(struct plat
> 
>  	drm_dev_unregister(drm);
>  	aspeed_gfx_unload(drm);
> -	drm_dev_unref(drm);
> +	drm_dev_put(drm);
> 
>  	return 0;
>  }
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch