Re: [PATCH] ipvlan: fix building without netfilter
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From: David Miller <davem@davemloft.net>
Date: 2016-09-22 12:32:37
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From: Arnd Bergmann <arnd@arndb.de> Date: Thu, 22 Sep 2016 11:40:52 +0200
The new l3s mode in ipvlan relies on netfilter interfaces, but
the ipvlan driver can be configured when CONFIG_NETFILTER is disabled,
leading to a build error:
drivers/net/ipvlan/ipvlan.h:132:22: error: 'struct nf_hook_state' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
drivers/net/ipvlan/ipvlan_main.c:14:27: error: array type has incomplete element type 'struct nf_hook_ops'
...
This adds a forward declaration for struct nf_hook_state, and hides
the newly added l3s code in an #ifdef.
Fixes: 4fbae7d83c98 ("ipvlan: Introduce l3s mode")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>I'm pretty sure I applied a Kconfig patch that added the necessary dependency.