From: Jakub Kicinski <kuba@kernel.org>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: Paolo Abeni <pabeni@redhat.com>, Kees Cook <kees@kernel.org>,
netdev@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH] net: core: use __counted_by for trailing VLA of struct sock_reuseport
Date: Tue, 30 Jul 2024 17:01:42 -0700 [thread overview]
Message-ID: <20240730170142.32a6e9aa@kernel.org> (raw)
In-Reply-To: <20240730160449.368698-1-dmantipov@yandex.ru>
On Tue, 30 Jul 2024 19:04:49 +0300 Dmitry Antipov wrote:
> - unsigned int size = sizeof(struct sock_reuseport) +
> - sizeof(struct sock *) * max_socks;
> - struct sock_reuseport *reuse = kzalloc(size, GFP_ATOMIC);
> + struct sock_reuseport *reuse =
> + kzalloc(struct_size(reuse, socks, max_socks), GFP_ATOMIC);
>
please move the function call out of the init. It doesn't fit on a
single line so what's the point..
> - if (!reuse)
> + if (unlikely(!reuse))
And why add the unlikely here? Seems unrelated..
--
pw-bot: cr
next prev parent reply other threads:[~2024-07-31 0:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-30 16:04 [PATCH] net: core: use __counted_by for trailing VLA of struct sock_reuseport Dmitry Antipov
2024-07-30 18:41 ` Gustavo A. R. Silva
2024-07-30 19:06 ` Kuniyuki Iwashima
2024-07-31 0:01 ` Jakub Kicinski [this message]
2024-07-31 4:53 ` [PATCH v2] net: core: annotate socks of struct sock_reuseport with __counted_by Dmitry Antipov
2024-07-31 23:50 ` Jakub Kicinski
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