Now that the conntrack module contains code for ipv6, we can no longer
have it built-in while IPv6 itself is a loadable module:
net/netfilter/nf_conntrack_proto.o: In function `nf_ct_netns_do_get':
nf_conntrack_proto.c:(.text+0x88c): undefined reference to `nf_defrag_ipv6_enable'
net/netfilter/nf_conntrack_proto.o:(.rodata+0x178): undefined reference to `nf_conntrack_l4proto_icmpv6'
This adds a dependency on IPv6 that makes it possible to still build
the conntrack module with IPv6 disabled, but avoids the broken configuration.
Fixes: 66c524acfb51 ("netfilter: conntrack: remove l3proto abstraction")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
net/netfilter/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 74df382bf2ba..e42c38c99741 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -49,6 +49,7 @@ config NETFILTER_NETLINK_LOG
config NF_CONNTRACK
tristate "Netfilter connection tracking support"
default m if NETFILTER_ADVANCED=n
+ depends on IPV6 || !IPV6
select NF_DEFRAG_IPV4
select NF_DEFRAG_IPV6 if IPV6
help
--
2.9.0
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