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Message-ID: <CAHk-=wiNpc5BS2BfZhdDqofJx1G=uasBa2Q1eY4cr8O59Rev2A@mail.gmail.com>
Date: Mon, 18 Jan 2021 12:34:29 -0800
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Alexey Gladkov <gladkov.alexey@...il.com>
Cc: LKML <linux-kernel@...r.kernel.org>, io-uring <io-uring@...r.kernel.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>,
Linux Containers <containers@...ts.linux-foundation.org>, Linux-MM <linux-mm@...ck.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Christian Brauner <christian.brauner@...ntu.com>, "Eric W . Biederman" <ebiederm@...ssion.com>,
Jann Horn <jannh@...gle.com>, Jens Axboe <axboe@...nel.dk>, Kees Cook <keescook@...omium.org>,
Oleg Nesterov <oleg@...hat.com>
Subject: Re: [RFC PATCH v3 1/8] Use refcount_t for ucounts reference counting
On Mon, Jan 18, 2021 at 11:46 AM Alexey Gladkov
<gladkov.alexey@...il.com> wrote:
>
> Sorry about that. I thought that this code is not needed when switching
> from int to refcount_t. I was wrong.
Well, you _may_ be right. I personally didn't check how the return
value is used.
I only reacted to "it certainly _may_ be used, and there is absolutely
no comment anywhere about why it wouldn't matter".
Linus
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