Re: [PATCH] komeda: no need to check return value of debugfs_create functions

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On Thu, Jun 13, 2019 at 03:28:06PM +0200, Greg Kroah-Hartman wrote:
> When calling debugfs functions, there is no need to ever check the
> return value.  The function can work or not, but the code logic should
> never do something different based on this.
> 
> Cc: "James (Qian) Wang" <james.qian.wang@xxxxxxx>
> Cc: Liviu Dudau <liviu.dudau@xxxxxxx>
> Cc: Brian Starkey <brian.starkey@xxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>

Thanks for the patch, I'll pull it into malidp tree (shared with komeda).

Best regards,
Liviu

> ---
>  drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
> index ca3599e4a4d3..58100edf58fa 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
> @@ -51,9 +51,6 @@ static void komeda_debugfs_init(struct komeda_dev *mdev)
>  		return;
>  
>  	mdev->debugfs_root = debugfs_create_dir("komeda", NULL);
> -	if (IS_ERR_OR_NULL(mdev->debugfs_root))
> -		return;
> -
>  	debugfs_create_file("register", 0444, mdev->debugfs_root,
>  			    mdev, &komeda_register_fops);
>  }
> -- 
> 2.22.0
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
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