linux-kernel - Re: [PATCH] drm: Remove 80-column line in drm_mode

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Date:   Wed, 31 Oct 2018 17:13:38 +0200
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Shayenne da Luz Moura <shayenneluzmoura@...il.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>
Cc:     outreachy-kernel@...glegroups.com, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm: Remove 80-column line in drm_mode_object.c

On Wed, 31 Oct 2018, Shayenne da Luz Moura <shayenneluzmoura@...il.com> wrote:
> Add a new variable to make the drm_mode_object comparison before
> idr_alloc and decrease line size.
>
> Signed-off-by: Shayenne da Luz Moura <shayenneluzmoura@...il.com>
> ---
>  drivers/gpu/drm/drm_mode_object.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
> index be8b754eaf60..4b9eafddb409 100644
> --- a/drivers/gpu/drm/drm_mode_object.c
> +++ b/drivers/gpu/drm/drm_mode_object.c
> @@ -36,9 +36,10 @@ int __drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
>  			  void (*obj_free_cb)(struct kref *kref))
>  {
>  	int ret;
> +	struct drm_mode_object *obj_tmp = register_obj ? obj : NULL;
>  
>  	mutex_lock(&dev->mode_config.idr_mutex);
> -	ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL, 1, 0, GFP_KERNEL);
> +	ret = idr_alloc(&dev->mode_config.crtc_idr, obj_tmp, 1, 0, GFP_KERNEL);

Please don't send checkpatch "fixes" to adhere to the 80-column rule. Or
at least use --max-line-length=100 or something to look for worse
offenders than this.

And if you insist, please just add a newline and proper indentation
after "NULL," instead of adding a temporary variable.


BR,
Jani.

>  	if (ret >= 0) {
>  		/*
>  		 * Set up the object linking under the protection of the idr

-- 
Jani Nikula, Intel Open Source Graphics Center