linux-kernel - Re: [-mm patch] IPV6 must select XFRM

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Message-Id: <20070903193711.6A1D.NAKAM@linux-ipv6.org>
Date:	Mon, 03 Sep 2007 19:43:51 +0900
From:	Masahide NAKAMURA <nakam@...ux-ipv6.org>
To:	Adrian Bunk <bunk@...nel.org>, David Miller <davem@...emloft.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	nakam@...ux-ipv6.org
Subject: Re: [-mm patch] IPV6 must select XFRM

Hello,

On Sun, 2 Sep 2007 13:25:57 +0200
Adrian Bunk <bunk@...nel.org> wrote:

> On Fri, Aug 31, 2007 at 09:58:22PM -0700, Andrew Morton wrote:
> >...
> > Changes since 2.6.23-rc3-mm1:
> >...
> >  git-net.patch
> >...
> >  git trees
> >...
> 
> This patch fixes the following compile error:
> 
> <--  snip  -->
> 
> ...
>   LD      .tmp_vmlinux1
> net/built-in.o: In function `inet6_csk_xmit':
> (.text+0x72b0f): undefined reference to `flow_cache_genid'
> net/built-in.o: In function `inet6_csk_xmit':
> (.text+0x72be5): undefined reference to `flow_cache_genid'
> make[1]: *** [.tmp_vmlinux1] Error 1
> 
> <--  snip  -->
> 
> Signed-off-by: Adrian Bunk <bunk@...nel.org>
> 
> ---
> --- a/net/ipv6/Kconfig
> +++ b/net/ipv6/Kconfig
> @@ -5,6 +5,7 @@
>  #   IPv6 as module will cause a CRASH if you try to unload it
>  config IPV6
>  	tristate "The IPv6 protocol"
> +	select XFRM
>  	default m
>  	---help---
>  	  This is complemental support for the IP version 6.
> 
> -


Thank you for catching this. the issue is caused with patch
"[IPV6] XFRM: Fix connected socket to use transformation."
which I sent to netdev.
(a85d5450ddeb959bdf9e4603f9c06e9d79217cfa on net-2.6.24).

I'd prefer to modify the original patch to use "ifdef CONFIG_XFRM"
than changing kernel config depends. Does it make sense?

Please review the attached patch.

-- 
Masahide NAKAMURA

Download attachment "0001-PATCH-IPV6-XFRM-Fix-dependency-issue-at-inet6_csk_xmit.txt" of type "application/octet-stream" (2113 bytes)