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Date:	Mon, 11 Jun 2007 22:31:11 +1000
From:	Herbert Xu <>
To:	Patrick McHardy <>
Cc:	"David S. Miller" <>,
Subject: Re: [PATCH 3/4] [IPV4]: Add default config support after inetdev_init

On Mon, Jun 11, 2007 at 02:26:58PM +0200, Patrick McHardy wrote:
> I noticed a few more side-effects from the original change that
> seem to be undesired. Some code assumes that dev->ip_ptr != NULL
> implies existance of IP addresses on the device. For example
> fib_check_nh used to allow to add routes to devices only when a
> in_device is present. We can now add routes without having any
> IP addresses configured, which makes routing choose as
> source and invalidates the assumption of some other code that
> the outgoing device of a packet always has an in_device present
> (like MASQUERADE). fib_sync_up used to skip a nexthop when no
> IP addresses was present on the device, now it will keep it.
> There's probably more, I guess we need to audit all in_dev_get
> calls.

Good catch.  I'll work through them.  Oh yeah I still need to do
the same thing for IPv6 too.

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