[NETFILTER]: nf_conntrack: make print_conntrack function optional for l4protos

Allows to remove five empty implementations.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 8 deletions

diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 02d60dfbab80..da924c6b5f06 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -75,13 +75,6 @@ static int icmpv6_print_tuple(struct seq_file *s,
                           ntohs(tuple->src.u.icmp.id));
 }
 
-/* Print out the private part of the conntrack. */
-static int icmpv6_print_conntrack(struct seq_file *s,
-                                  const struct nf_conn *conntrack)
-{
-        return 0;
-}
-
 /* Returns verdict for packet, or -1 for invalid. */
 static int icmpv6_packet(struct nf_conn *ct,
                        const struct sk_buff *skb,
@@ -275,7 +268,6 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 __read_mostly =
         .pkt_to_tuple           = icmpv6_pkt_to_tuple,
         .invert_tuple           = icmpv6_invert_tuple,
         .print_tuple            = icmpv6_print_tuple,
-        .print_conntrack        = icmpv6_print_conntrack,
         .packet                 = icmpv6_packet,
         .new                    = icmpv6_new,
         .error                  = icmpv6_error,