linux-kernel - Re: [PATCH -next] drm/fb-helper: Remove set but not used variable 'connector

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Date:   Wed, 12 Sep 2018 09:29:20 -0400
From:   Sean Paul <sean@...rly.run>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     Gustavo Padovan <gustavo@...ovan.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH -next] drm/fb-helper: Remove set but not used variable
 'connector_funcs'

On Wed, Sep 12, 2018 at 03:15:30AM +0000, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/gpu/drm/drm_fb_helper.c: In function 'drm_pick_crtcs':
> drivers/gpu/drm/drm_fb_helper.c:2373:43: warning:
>  variable 'connector_funcs' set but not used [-Wunused-but-set-variable]
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>

Thanks for your patch, applied to -misc-fixes

Sean

> ---
>  drivers/gpu/drm/drm_fb_helper.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index 73cf10a..16e3a59 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -2370,7 +2370,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
>  {
>  	int c, o;
>  	struct drm_connector *connector;
> -	const struct drm_connector_helper_funcs *connector_funcs;
>  	int my_score, best_score, score;
>  	struct drm_fb_helper_crtc **crtcs, *crtc;
>  	struct drm_fb_helper_connector *fb_helper_conn;
> @@ -2399,8 +2398,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
>  	if (drm_has_preferred_mode(fb_helper_conn, width, height))
>  		my_score++;
>  
> -	connector_funcs = connector->helper_private;
> -
>  	/*
>  	 * select a crtc for this connector and then attempt to configure
>  	 * remaining connectors
> 
> 
> 

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