From: Arnd Bergmann <a...@arndb.de> Date: Tue, 13 Mar 2018 12:44:53 +0100
> The new variable is only available when CONFIG_SYSCTL is enabled, > otherwise we get a link error: > > net/ipv4/ip_tunnel.o: In function `ip_tunnel_init_net': > ip_tunnel.c:(.text+0x278b): undefined reference to > `sysctl_fb_tunnels_only_for_init_net' > net/ipv6/sit.o: In function `sit_init_net': > sit.c:(.init.text+0x4c): undefined reference to > `sysctl_fb_tunnels_only_for_init_net' > net/ipv6/ip6_tunnel.o: In function `ip6_tnl_init_net': > ip6_tunnel.c:(.init.text+0x39): undefined reference to > `sysctl_fb_tunnels_only_for_init_net' > > This adds an extra condition, keeping the traditional behavior when > CONFIG_SYSCTL is disabled. > > Fixes: 79134e6ce2c9 ("net: do not create fallback tunnels for non-default > namespaces") > Signed-off-by: Arnd Bergmann <a...@arndb.de> Applied, thank you.