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Date:   Wed, 22 Jul 2020 00:04:26 +0100
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Max Filippov <jcmvbkbc@gmail.com>
Cc:     linux-xtensa@linux-xtensa.org, Chris Zankel <chris@zankel.net>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] xtensa: fix access check in csum_and_copy_from_user
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On Tue, Jul 21, 2020 at 03:00:35PM -0700, Max Filippov wrote:
> Commit d341659f470b ("xtensa: switch to providing
> csum_and_copy_from_user()") introduced access check, but incorrectly
> tested dst instead of src.
> Fix access_ok argument in csum_and_copy_from_user.

Applied, with apologies...  Which tree do you want it to go through?
I'm dropping it into vfs.git#fixes, will send to Linus unless you
prefer it to go some other way...