[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, 9 deletions

diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c
index 6518bcd17d6..070056d9bcd 100644
--- a/net/netfilter/nf_conntrack_proto_udplite.c
+++ b/net/netfilter/nf_conntrack_proto_udplite.c
@@ -59,13 +59,6 @@ static int udplite_print_tuple(struct seq_file *s,
                           ntohs(tuple->dst.u.udp.port));
 }
 
-/* Print out the private part of the conntrack. */
-static int udplite_print_conntrack(struct seq_file *s,
-                                   const struct nf_conn *conntrack)
-{
-        return 0;
-}
-
 /* Returns verdict for packet, and may modify conntracktype */
 static int udplite_packet(struct nf_conn *conntrack,
                           const struct sk_buff *skb,
@@ -198,7 +191,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4 __read_mostly =
         .pkt_to_tuple           = udplite_pkt_to_tuple,
         .invert_tuple           = udplite_invert_tuple,
         .print_tuple            = udplite_print_tuple,
-        .print_conntrack        = udplite_print_conntrack,
         .packet                 = udplite_packet,
         .new                    = udplite_new,
         .error                  = udplite_error,
@@ -222,7 +214,6 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly =
         .pkt_to_tuple           = udplite_pkt_to_tuple,
         .invert_tuple           = udplite_invert_tuple,
         .print_tuple            = udplite_print_tuple,
-        .print_conntrack        = udplite_print_conntrack,
         .packet                 = udplite_packet,
         .new                    = udplite_new,
         .error                  = udplite_error,