linux-kernel - Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum

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Message-ID: <CAHk-=wh59vJmaH_jWWxpr97XdQfUpOTJgMEA11qzvMwJFjB0VQ@mail.gmail.com>
Date:   Tue, 21 Jul 2020 14:16:51 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Al Viro <viro@...iv.linux.org.uk>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH 04/18] csum_and_copy_..._user(): pass 0xffffffff instead
 of 0 as initial sum

On Tue, Jul 21, 2020 at 2:11 PM Al Viro <viro@...iv.linux.org.uk> wrote:
>
> > > But I didn't check. Maybe we don't have anything that stupid in the kernel.
>
> I did.

So then the commit message really should have said so, I feel. That
would have avoided the whole worry, and made it clear that it's not an
issue.

                Linus