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

Christoph Hellwig
2022-02-18T06:25:44Z

On Wed, Feb 16, 2022 at 02:13:17PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> 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@lst.de>