[NETFILTER]: Remove unused function from NAT protocol helpers

[mirror_ubuntu-bionic-kernel.git] / net / ipv4 / netfilter / ip_nat_proto_gre.c

diff --git a/net/ipv4/netfilter/ip_nat_proto_gre.c b/net/ipv4/netfilter/ip_nat_proto_gre.c
index 7c12854016723891b9077711abcf863c9a42d404..6c4899d8046a5b3265555869e9c8528f3a5553c2 100644 (file)
--- a/net/ipv4/netfilter/ip_nat_proto_gre.c
+++ b/net/ipv4/netfilter/ip_nat_proto_gre.c
@@ -139,8 +139,8 @@ gre_manip_pkt(struct sk_buff **pskb,
                        break;
                case GRE_VERSION_PPTP:
                        DEBUGP("call_id -> 0x%04x\n", 
-                               ntohl(tuple->dst.u.gre.key));
-                       pgreh->call_id = htons(ntohl(tuple->dst.u.gre.key));
+                               ntohs(tuple->dst.u.gre.key));
+                       pgreh->call_id = tuple->dst.u.gre.key;
                        break;
                default:
                        DEBUGP("can't nat unknown GRE version\n");
@@ -151,42 +151,6 @@ gre_manip_pkt(struct sk_buff **pskb,
        return 1;
 }
 
-/* print out a nat tuple */
-static unsigned int 
-gre_print(char *buffer, 
-         const struct ip_conntrack_tuple *match,
-         const struct ip_conntrack_tuple *mask)
-{
-       unsigned int len = 0;
-
-       if (mask->src.u.gre.key)
-               len += sprintf(buffer + len, "srckey=0x%x ", 
-                               ntohl(match->src.u.gre.key));
-
-       if (mask->dst.u.gre.key)
-               len += sprintf(buffer + len, "dstkey=0x%x ",
-                               ntohl(match->src.u.gre.key));
-
-       return len;
-}
-
-/* print a range of keys */
-static unsigned int 
-gre_print_range(char *buffer, const struct ip_nat_range *range)
-{
-       if (range->min.gre.key != 0 
-           || range->max.gre.key != 0xFFFF) {
-               if (range->min.gre.key == range->max.gre.key)
-                       return sprintf(buffer, "key 0x%x ",
-                                       ntohl(range->min.gre.key));
-               else
-                       return sprintf(buffer, "keys 0x%u-0x%u ",
-                                       ntohl(range->min.gre.key),
-                                       ntohl(range->max.gre.key));
-       } else
-               return 0;
-}
-
 /* nat helper struct */
 static struct ip_nat_protocol gre = { 
        .name           = "GRE", 
@@ -194,8 +158,6 @@ static struct ip_nat_protocol gre = {
        .manip_pkt      = gre_manip_pkt,
        .in_range       = gre_in_range,
        .unique_tuple   = gre_unique_tuple,
-       .print          = gre_print,
-       .print_range    = gre_print_range,
 #if defined(CONFIG_IP_NF_CONNTRACK_NETLINK) || \
     defined(CONFIG_IP_NF_CONNTRACK_NETLINK_MODULE)
        .range_to_nfattr        = ip_nat_port_range_to_nfattr,