linux-kernel - Re: [PATCH RFC] tun: add ioctl to modify vnet header size

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Date:	Sun, 21 Mar 2010 20:17:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mst@...hat.com
Cc:	dlstevens@...ibm.com, David.Woodhouse@...el.com,
	herbert@...dor.apana.org.au, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, netdev-owner@...r.kernel.org,
	paul.moore@...com, sri@...ux.vnet.ibm.com
Subject: Re: [PATCH RFC] tun: add ioctl to modify vnet header size

From: "Michael S. Tsirkin" <mst@...hat.com>
Date: Thu, 18 Mar 2010 00:11:17 +0200

> All this does is set how much of the buffer to skip, this option does
> not allocate any memory.  So if you set it to a value > length that you
> passed in, you get -EINVAL. Anything else should work.  Negative values
> are checked for and return -EINVAL when you try to set it.  At least,
> all that's by design - pls take a look at the code and if you see any
> issues, speak up please.
> 
> I agree we don't really need to support very large values here,
> it just seemed less work.

This all looks fine to me, submit a final version to me via
whatever means you feel is appropriate.
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