[PATCH] drm/sun4i: hdmi: Use PTR_ERR_OR_ZERO() to simplify code

[Maxime Ripard]

Hi,

On Tue, Dec 15, 2020 at 10:16:11AM +0800, Tian Tao wrote:
> Fixes coccicheck warning:
> drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c:281:1-3: WARNING: PTR_ERR_OR_ZERO
> can be used
> 
> Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>

That script shouldn't be there anymore, see:
https://lore.kernel.org/cocci/alpine.DEB.2.21.2001071106420.3004@hadrien/#t

Maxime
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