From: Rick Jones <rick.jones2@hp.com>
To: Eric B Munson <emunson@akamai.com>, David Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
James Morris <jmorris@namei.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
Patrick McHardy <kaber@trash.net>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next] tcp: Return error instead of partial read for saved syn headers
Date: Mon, 18 May 2015 11:41:40 -0700 [thread overview]
Message-ID: <555A3264.3060205@hp.com> (raw)
In-Reply-To: <1431974158-28288-1-git-send-email-emunson@akamai.com>
On 05/18/2015 11:35 AM, Eric B Munson wrote:
> Currently the getsockopt() requesting the cached contents of the syn
> packet headers will fail silently if the caller uses a buffer that is
> too small to contain the requested data. Rather than fail silently and
> discard the headers, getsockopt() should return an error and report the
> required size to hold the data.
Is there any chapter and verse on whether a "failed" getsockopt() may
alter the items passed to it?
rick jones
next prev parent reply other threads:[~2015-05-18 18:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-18 18:35 [PATCH net-next] tcp: Return error instead of partial read for saved syn headers Eric B Munson
2015-05-18 18:41 ` Rick Jones [this message]
2015-05-18 19:01 ` Eric Dumazet
2015-05-19 20:33 ` David Miller
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