Re: [PATCH v2 03/18] nds32: fix access_ok() checks in get/put_user

[Christoph Hellwig <hch@xxxxxx>]

On Wed, Feb 16, 2022 at 02:13:17PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> The get_user()/put_user() functions are meant to check for
> access_ok(), while the __get_user()/__put_user() functions
> don't.
> 
> This broke in 4.19 for nds32, when it gained an extraneous
> check in __get_user(), but lost the check it needs in
> __put_user().

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>