[PATCH] drm/sun4i: use PTR_ERR_OR_ZERO macro.

[Maxime Ripard]

Hi,

On Mon, Jan 06, 2020 at 05:00:52PM +0300, Wambui Karuga wrote:
> Replace the use of IS_ERR and PTR_ZERO macros by returning the
> PTR_ERR_OR_ZERO macro.
> Changes suggested by coccinelle.
>
> Signed-off-by: Wambui Karuga <wambui.karugax at gmail.com>

Unfortunately, that patch came up a number of time and shouldn't have
been a coccinelle script in the first place.

I've sent a patch to remove that script:
https://lore.kernel.org/lkml/20200107073629.325249-1-maxime@cerno.tech/

Maxime
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