On Fri, Jul 17, 2020 at 03:02:30PM +0800, Xin Long wrote:
> kernel test robot reported some compile errors:
>
> ia64-linux-ld: net/xfrm/xfrm_interface.o: in function `xfrmi4_fini':
> net/xfrm/xfrm_interface.c:900: undefined reference to
> `xfrm4_tunnel_deregister'
> ia64-linux-ld: net/xfrm/xfrm_interface.c:901: undefined reference to
> `xfrm4_tunnel_deregister'
> ia64-linux-ld: net/xfrm/xfrm_interface.o: in function `xfrmi4_init':
> net/xfrm/xfrm_interface.c:873: undefined reference to
> `xfrm4_tunnel_register'
> ia64-linux-ld: net/xfrm/xfrm_interface.c:876: undefined reference to
> `xfrm4_tunnel_register'
> ia64-linux-ld: net/xfrm/xfrm_interface.c:885: undefined reference to
> `xfrm4_tunnel_deregister'
>
> This happened when set CONFIG_XFRM_INTERFACE=y and CONFIG_INET_TUNNEL=m.
> We don't really want xfrm_interface to depend inet_tunnel completely,
> but only to disable the tunnel code when inet_tunnel is not seen.
>
> So instead of adding "select INET_TUNNEL" for XFRM_INTERFACE, this patch
> is only to change to IS_REACHABLE to avoid these compile error.
>
> Reported-by: kernel test robot <l...@intel.com>
> Fixes: da9bbf0598c9 ("xfrm: interface: support IPIP and IPIP6 tunnels
> processing with .cb_handler")
> Signed-off-by: Xin Long <lucien....@gmail.com>
Applied, thanks!
