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Date:	Sat, 10 Dec 2011 12:00:20 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Pavel Emelyanov <xemul@...allels.com>
Cc:	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/2] udp_diag: Make it module when ipv6 is a module

Le samedi 10 décembre 2011 à 13:33 +0400, Pavel Emelyanov a écrit :
> Eric Dumazet reported, that when inet_diag is built-in the udp_diag also goes
> built-in and when ipv6 is a module the udp6 lookup symbol is not found.
> 
>   LD      .tmp_vmlinux1
> net/built-in.o: In function `udp_dump_one':
> udp_diag.c:(.text+0xa2b40): undefined reference to `__udp6_lib_lookup'
> make: *** [.tmp_vmlinux1] Erreur 1
> 
> Fix this by making udp diag build mode depend on both -- inet diag and ipv6.
> 
> Reported-by: Eric Dumazet <eric.dumazet@...il.com>
> Signed-off-by: Pavel Emelyanov <xemul@...allels.com>
> 
> ---
> 
> diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
> index a51e33e..1a8f93b 100644
> --- a/net/ipv4/Kconfig
> +++ b/net/ipv4/Kconfig
> @@ -411,7 +411,7 @@ config INET_TCP_DIAG
>  
>  config INET_UDP_DIAG
>  	depends on INET_DIAG
> -	def_tristate INET_DIAG
> +	def_tristate INET_DIAG && IPV6
>  
>  menuconfig TCP_CONG_ADVANCED
>  	bool "TCP: advanced congestion control"

Thanks !

Acked-by: Eric Dumazet <eric.dumazet@...il.com>


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