From: Yang Hongyang <yanghy@cn.fujitsu.com>
To: David Miller <davem@davemloft.net>
Cc: herbert@gondor.apana.org.au, netdev@vger.kernel.org
Subject: Re: [PATCH]IPv6:remove duplicate check of optlen when setsockopt with IPV6_PKTINFO option
Date: Thu, 15 Jan 2009 13:34:03 +0800 [thread overview]
Message-ID: <496ECACB.5090300@cn.fujitsu.com> (raw)
In-Reply-To: <20090114.210242.163189105.davem@davemloft.net>
David Miller wrote:
> From: Herbert Xu <herbert@gondor.apana.org.au>
> Date: Wed, 14 Jan 2009 15:48:56 +1100
>
>> Yang Hongyang <yanghy@cn.fujitsu.com> wrote:
>>> If optval==NULL, what we should return?EINVAL or EFAULT?
>>> If it is EINVAL,then we should check it .otherwise it's the job of
>>> copy_from_user
>> I think EFAULT is fine. We return that elsewhere as well.
>
> Actually, we return EINVAL just a few lines above this code
> block for some other socket option cases when optval==NULL.
>
> So for consistency I'm applying Yang's original patch to
> net-next-2.6
Dave,there are some of the code elsewhere return EFAULT when
optval=NULL,I will post a patch to fix them:)
>
> Thanks.
>
>
--
Regards
Yang Hongyang
next prev parent reply other threads:[~2009-01-15 5:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-13 7:35 [PATCH]IPv6:remove duplicate check of optlen when setsockopt with IPV6_PKTINFO option Yang Hongyang
2009-01-14 3:47 ` Herbert Xu
2009-01-14 3:54 ` Yang Hongyang
2009-01-14 4:07 ` Wei Yongjun
2009-01-14 5:27 ` Yang Hongyang
2009-01-14 8:26 ` Shan Wei
2009-01-15 0:50 ` [PATCHv2]IPv6:remove duplicate check " Yang Hongyang
2009-01-14 4:48 ` [PATCH]IPv6:remove duplicate check of optlen " Herbert Xu
2009-01-15 5:02 ` David Miller
2009-01-15 5:04 ` Herbert Xu
2009-01-15 5:06 ` Herbert Xu
2009-01-15 5:25 ` Yang Hongyang
2009-01-15 5:43 ` David Miller
2009-01-15 5:34 ` Yang Hongyang [this message]
2009-01-15 5:37 ` Herbert Xu
2009-01-15 5:45 ` David Miller
2009-01-15 5:48 ` Herbert Xu
2009-01-15 10:07 ` Yang Hongyang
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