linux-kernel - Re: [PATCH] drm/omap: dss: Use ERR_CAST instead of ERR_PTR(PTR

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Message-ID: <cf4b0152-7bd0-1993-f5bb-b55bce7c9186@ti.com>
Date:   Wed, 23 May 2018 12:28:51 +0300
From:   Tomi Valkeinen <tomi.valkeinen@...com>
To:     Hernán Gonzalez <hernan@...guardiasur.com.ar>
CC:     <airlied@...ux.ie>, <laurent.pinchart@...asonboard.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/omap: dss: Use ERR_CAST instead of ERR_PTR(PTR_ERR())

On 14/05/18 02:36, Hernán Gonzalez wrote:
> Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)).
> 
> drivers/gpu/drm/omapdrm/dss/dss.c:959:9-16: WARNING: ERR_CAST can be used with d
> Generated by: scripts/coccinelle/api/err_cast.cocci
> 
> Signed-off-by: Hernán Gonzalez <hernan@...guardiasur.com.ar>
> ---
>  drivers/gpu/drm/omapdrm/dss/dss.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
> index 0b908e9..be043c8 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dss.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dss.c
> @@ -956,7 +956,7 @@ dss_debugfs_create_file(struct dss_device *dss, const char *name,
>  				&dss_debug_fops);
>  	if (IS_ERR(d)) {
>  		kfree(entry);
> -		return ERR_PTR(PTR_ERR(d));
> +		return ERR_CAST(d);
>  	}
>  
>  	entry->dentry = d;
> 

Thanks, I've picked this up.

 Tomi

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