netdev - Re: [PATCH net-next] geneve: fix build with modular IPV6

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Message-Id: <20180427.135225.1468704958478892765.davem@davemloft.net>
Date:   Fri, 27 Apr 2018 13:52:25 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     tobias.regnery@...il.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexey.kodanev@...cle.com
Subject: Re: [PATCH net-next] geneve: fix build with modular IPV6

From: Tobias Regnery <tobias.regnery@...il.com>
Date: Thu, 26 Apr 2018 12:36:36 +0200

> Commit c40e89fd358e ("geneve: configure MTU based on a lower device") added
> an IS_ENABLED(CONFIG_IPV6) to geneve, leading to the following link error
> with CONFIG_GENEVE=y and CONFIG_IPV6=m:
> 
> drivers/net/geneve.o: In function `geneve_link_config':
> geneve.c:(.text+0x14c): undefined reference to `rt6_lookup'
> 
> Fix this by adding a Kconfig dependency and forcing GENEVE to be a module
> when IPV6 is a module.
> 
> Fixes: c40e89fd358e ("geneve: configure MTU based on a lower device")
> Signed-off-by: Tobias Regnery <tobias.regnery@...il.com>

Applied, thank you.