# Re: \[PATCH 1/2 v4\] Driver for Freescale 8610 and 5121 DIU

- From: Scott Wood \<hidden\>
- Date: 2008-03-28 18:09:50 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2008/03/1079913
- Thread: https://ratatoskr.run/lkml/2008/03/1079629/t.md

```text
Timur Tabi wrote:
> Scott Wood wrote:
> 
>> ...but not anywhere else.  All user pointers should have a __user 
>> annotation.
> 
> Even in a typecast?

Yes.  Otherwise, as far as sparse sees, you're passing a kernel pointer 
to something expecting a user pointer.

-Scott

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