linux-kernel - Re: [Intel-gfx] [PATCH v3 5/5] drm/i915: squash lines for simple wrapper functions

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Message-ID: <20160916061541.GA12583@nuc-i3427.alporthouse.com>
Date:   Fri, 16 Sep 2016 07:15:41 +0100
From:   Chris Wilson <chris@...is-wilson.co.uk>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     dri-devel@...ts.freedesktop.org, Sean Paul <seanpaul@...gle.com>,
        David Airlie <airlied@...ux.ie>,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Alexander Deucher <Alexander.Deucher@....com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Christian K?nig <christian.koenig@....com>
Subject: Re: [Intel-gfx] [PATCH v3 5/5] drm/i915: squash lines for simple
 wrapper functions

On Fri, Sep 16, 2016 at 10:40:23AM +0900, Masahiro Yamada wrote:
> Remove unneeded variables and assignments.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
> 
> Changes in v3:
>   - Keep the wrapper function.
>     Cleanup of variables and assignments only.
>   - Fix intel_engine_init_common() as well.
> 
>  drivers/gpu/drm/i915/i915_drv.c        | 8 +-------
>  drivers/gpu/drm/i915/intel_engine_cs.c | 8 +-------
>  2 files changed, 2 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 7f4e8ad..1503c88 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1324,13 +1324,7 @@ void i915_driver_unload(struct drm_device *dev)
>  
>  static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
>  {
> -	int ret;
> -
> -	ret = i915_gem_open(dev, file);
> -	if (ret)
> -		return ret;
> -
> -	return 0;
> +	return i915_gem_open(dev, file);
>  }
>  
>  /**
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index e405f10..ebb4bf8 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -298,13 +298,7 @@ static void intel_engine_cleanup_scratch(struct intel_engine_cs *engine)
>   */
>  int intel_engine_init_common(struct intel_engine_cs *engine)
>  {
> -	int ret;
> -
> -	ret = intel_engine_init_breadcrumbs(engine);
> -	if (ret)
> -		return ret;
> -
> -	return 0;
> +	return intel_engine_init_breadcrumbs(engine);

These are written like this for consistency and ease of change.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre