linux-kernel - Re: [PATCH v3 23/28] drm/udl: switch to drm_*_get(), drm_*

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Date:   Fri, 11 Aug 2017 12:03:33 -0400
From:   Sean Paul <seanpaul@...omium.org>
To:     Cihangir Akturk <cakturk@...il.com>
Cc:     daniel@...ll.ch, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Alex Deucher <alexander.deucher@....com>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sean Paul <seanpaul@...omium.org>,
        Stefan Christ <contact@...fanchrist.eu>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        David Herrmann <dh.herrmann@...il.com>,
        Gabriel Krisman Bertazi <krisman@...labora.co.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christian König <christian.koenig@....com>,
        Arnd Bergmann <arnd@...db.de>, Jan Kara <jack@...e.cz>,
        Michal Hocko <mhocko@...nel.org>,
        Dave Jiang <dave.jiang@...el.com>
Subject: Re: [PATCH v3 23/28] drm/udl: switch to drm_*_get(), drm_*_put()
 helpers

On Fri, Aug 11, 2017 at 03:33:09PM +0300, Cihangir Akturk wrote:
> Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference()
> and drm_*_unreference() helpers.
> 
> drm_*_reference() and drm_*_unreference() functions are just
> compatibility alias for drm_*_get() and drm_*_put() and should not be
> used by new code. So convert all users of compatibility functions to
> use the new APIs.
> 
> Generated by: scripts/coccinelle/api/drm-get-put.cocci
> 
> Signed-off-by: Cihangir Akturk <cakturk@...il.com>

Applied to drm-misc-next, thank you!

Sean

> ---
>  drivers/gpu/drm/udl/udl_fb.c  | 6 +++---
>  drivers/gpu/drm/udl/udl_gem.c | 4 ++--
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
> index 77a2c59..b7ca90d 100644
> --- a/drivers/gpu/drm/udl/udl_fb.c
> +++ b/drivers/gpu/drm/udl/udl_fb.c
> @@ -309,7 +309,7 @@ static void udl_user_framebuffer_destroy(struct drm_framebuffer *fb)
>  	struct udl_framebuffer *ufb = to_udl_fb(fb);
>  
>  	if (ufb->obj)
> -		drm_gem_object_unreference_unlocked(&ufb->obj->base);
> +		drm_gem_object_put_unlocked(&ufb->obj->base);
>  
>  	drm_framebuffer_cleanup(fb);
>  	kfree(ufb);
> @@ -403,7 +403,7 @@ static int udlfb_create(struct drm_fb_helper *helper,
>  
>  	return ret;
>  out_gfree:
> -	drm_gem_object_unreference_unlocked(&ufbdev->ufb.obj->base);
> +	drm_gem_object_put_unlocked(&ufbdev->ufb.obj->base);
>  out:
>  	return ret;
>  }
> @@ -419,7 +419,7 @@ static void udl_fbdev_destroy(struct drm_device *dev,
>  	drm_fb_helper_fini(&ufbdev->helper);
>  	drm_framebuffer_unregister_private(&ufbdev->ufb.base);
>  	drm_framebuffer_cleanup(&ufbdev->ufb.base);
> -	drm_gem_object_unreference_unlocked(&ufbdev->ufb.obj->base);
> +	drm_gem_object_put_unlocked(&ufbdev->ufb.obj->base);
>  }
>  
>  int udl_fbdev_init(struct drm_device *dev)
> diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
> index db9cece..dee6bd9 100644
> --- a/drivers/gpu/drm/udl/udl_gem.c
> +++ b/drivers/gpu/drm/udl/udl_gem.c
> @@ -52,7 +52,7 @@ udl_gem_create(struct drm_file *file,
>  		return ret;
>  	}
>  
> -	drm_gem_object_unreference_unlocked(&obj->base);
> +	drm_gem_object_put_unlocked(&obj->base);
>  	*handle_p = handle;
>  	return 0;
>  }
> @@ -234,7 +234,7 @@ int udl_gem_mmap(struct drm_file *file, struct drm_device *dev,
>  	*offset = drm_vma_node_offset_addr(&gobj->base.vma_node);
>  
>  out:
> -	drm_gem_object_unreference(&gobj->base);
> +	drm_gem_object_put(&gobj->base);
>  unlock:
>  	mutex_unlock(&dev->struct_mutex);
>  	return ret;
> -- 
> 2.7.4
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS