[PATCH] drm/exynos: fix IS_ERR() vs NULL check in probe

[Dan Carpenter]

On Tue, Apr 12, 2022 at 10:01:20AM +0900, Inki Dae wrote:
> Hi Dan Carpenter.
> 
> Same patch[1] was posted so I will pick it up. 
> 
> [1] https://www.spinics.net/lists/arm-kernel/msg967488.html 
> 

It's not the same.  That one returns -EINVAL and mine returns
-EPROBE_DEFER.  I obvoiously thought that -EPROBE_DEFER was the correct
return but I wasn't positive.  -EPROBE_DEFER is kind of a special
return so I think it matters to get this correct.

regards,
dan carpenter