netdev - Re: [PATCH]IPv6:remove duplicate check of optlen when setsockopt with IPV6

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Message-ID: <20090114044856.GA14726@gondor.apana.org.au>
Date:	Wed, 14 Jan 2009 15:48:56 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Yang Hongyang <yanghy@...fujitsu.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH]IPv6:remove duplicate check of optlen when setsockopt
	with IPV6_PKTINFO option

Yang Hongyang <yanghy@...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.

Cheers,
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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