netdev - Re: [PATCH net-next v2] ipv6: sr: fix IPv6 initialization failure without lwtunnels

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Message-Id: <20161113.002055.1386089188095640295.davem@davemloft.net>
Date:   Sun, 13 Nov 2016 00:20:55 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     david.lebrun@...ouvain.be
Cc:     netdev@...r.kernel.org, lorenzo@...gle.com
Subject: Re: [PATCH net-next v2] ipv6: sr: fix IPv6 initialization failure
 without lwtunnels

From: David Lebrun <david.lebrun@...ouvain.be>
Date: Thu, 10 Nov 2016 13:26:53 +0100

> v2: fix conditional compilation for seg6_iptunnel.o in Makefile
> 
> This patch compiles SR lwtunnels support only if CONFIG_LWTUNNEL=y.
> 
> If IPv6 is enabled and CONFIG_LWTUNNEL=n, then seg6_iptunnel_init()
> fails with EOPNOTSUPP which in turn makes seg6_init() fail, blocking
> the IPv6 initialization, with the following messages:
> 
> NET: Registered protocol family 10
> IPv6: Attempt to unregister permanent protocol 6
> IPv6: Attempt to unregister permanent protocol 136
> IPv6: Attempt to unregister permanent protocol 17
> NET: Unregistered protocol family 10
> 
> Fix commit 6c8702c60b88 ("ipv6: sr: add support for SRH encapsulation and injection with lwtunnels")
> 
> Tested with various combinations of CONFIG_IPV6 and CONFIG_LWTUNNEL.
> 
> Reported-by: Lorenzo Colitti <lorenzo@...gle.com>
> Signed-off-by: David Lebrun <david.lebrun@...ouvain.be>

Applied, thanks David.