net, ipvs: fix build on !CONFIG_INET

From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 12 Oct 2008 12:53:29 +0200

> quick fixlet below - please double-check.

See my posting yesterday to Linus, it's already in my net-2.6
tree and I already asked Linus to pull it in.

If you had submitted the build failure directly instead of privately
via Linus you would have been CC:'d and therefore be able to see all
of this. :-)

--------------------
Subject: Re: [GIT]: Networking for 2.6.28
From: David Miller <davem@davemloft.net>
To: torvalds@linux-foundation.org
Cc: akpm@linux-foundation.org, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org
Date: Sat, 11 Oct 2008 12:19:30 -0700 (PDT)
X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI)

From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sat, 11 Oct 2008 10:57:29 -0700 (PDT)

> 
> 
> On Sat, 11 Oct 2008, Linus Torvalds wrote:
> > 
> > On Fri, 10 Oct 2008, David Miller wrote:
> > > 
> > > Here are the queued up networking changes for the 2.6.28 merge window.
> > 
> > This generates _tons_ of new warnings for me:
> 
> And apparently errors for others:
> 
>  net/netfilter/ipvs/ip_vs_xmit.c: In function 'ip_vs_tunnel_xmit':
>  net/netfilter/ipvs/ip_vs_xmit.c:616: error: implicit declaration of function 'ip_select_ident'
> 
> some other config-dependent breakage.

So the proper include (of net/ip.h) is there in ip_vs_xmit.c, but this
failure can also happen if CONFIG_INET is not enabled.

Are you doing that kind of test build?

This patch should fix that case, let me know if it works:


ipvs: Add proper dependencies on IP_VS, and fix description header line.

Linus noted a build failure case:

net/netfilter/ipvs/ip_vs_xmit.c: In function 'ip_vs_tunnel_xmit':
net/netfilter/ipvs/ip_vs_xmit.c:616: error: implicit declaration of function 'ip_select_ident'

The proper include file (net/ip.h) is being included in ip_vs_xmit.c to get
that declaration.  So the only possible case where this can happen is if
CONFIG_INET is not enabled.

This seems to be purely a missing dependency in the ipvs/Kconfig file IP_VS
entry.

Also, while we're here, remove the out of date "EXPERIMENTAL" string in the
IP_VS config help header line.  IP_VS no longer depends upon CONFIG_EXPERIMENTAL

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/ipvs/Kconfig |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)