linux-kernel - Re: [PATCH] [net-next] ipvlan: fix building with modular IPV6

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Message-Id: <20180227.103733.38369293607878900.davem@davemloft.net>
Date:   Tue, 27 Feb 2018 10:37:33 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     mcroce@...hat.com, mika.westerberg@...ux.intel.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [net-next] ipvlan: fix building with modular IPV6

From: Arnd Bergmann <arnd@...db.de>
Date: Mon, 26 Feb 2018 10:41:30 +0100

> We no longer depend on IPV6, but that now causes a link error with
> CONFIG_IPV6=m and CONFIG_IPVLAN=y:
> 
> drivers/net/ipvlan/ipvlan_core.o: In function `ipvlan_queue_xmit':
> ipvlan_core.c:(.text+0x1440): undefined reference to `ip6_route_output_flags'
> drivers/net/ipvlan/ipvlan_core.o: In function `ipvlan_l3_rcv':
> ipvlan_core.c:(.text+0x1818): undefined reference to `ip6_route_input_lookup'
> 
> This adds back the dependency on IPV6, with the option of building without
> IPV6, but forcing IPVLAN to be a module when IPV6 is a module.
> 
> Fixes: 94333fac44d1 ("ipvlan: drop ipv6 dependency")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thank you.