[NETFILTER]: PPTP conntrack: remove more dead code

The calculated sequence numbers are not used for anything.

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

1 files changed, 2 insertions, 15 deletions

diff --git a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
index 57637ca2b82c..0510ee50dc65 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
@@ -220,7 +220,6 @@ static void pptp_destroy_siblings(struct ip_conntrack *ct)
 /* expect GRE connections (PNS->PAC and PAC->PNS direction) */
 static inline int
 exp_gre(struct ip_conntrack *master,
-        u_int32_t seq,
         __be16 callid,
         __be16 peer_callid)
 {
@@ -336,7 +335,6 @@ pptp_inbound_pkt(struct sk_buff **pskb,
         struct ip_ct_pptp_master *info = &ct->help.ct_pptp_info;
         u_int16_t msg;
         __be16 *cid, *pcid;
-        u_int32_t seq;
 
         ctlh = skb_header_pointer(*pskb, nexthdr_off, sizeof(_ctlh), &_ctlh);
         if (!ctlh) {
@@ -432,12 +430,7 @@ pptp_inbound_pkt(struct sk_buff **pskb,
 
                 info->cstate = PPTP_CALL_OUT_CONF;
 
-                seq = ntohl(tcph->seq) + sizeof(struct pptp_pkt_hdr)
-                                       + sizeof(struct PptpControlHeader)
-                                       + ((void *)pcid - (void *)pptpReq);
-
-                if (exp_gre(ct, seq, *cid, *pcid) != 0)
-                        printk("ip_conntrack_pptp: error during exp_gre\n");
+                exp_gre(ct, *cid, *pcid);
                 break;
 
         case PPTP_IN_CALL_REQUEST:
@@ -488,13 +481,7 @@ pptp_inbound_pkt(struct sk_buff **pskb,
                 info->cstate = PPTP_CALL_IN_CONF;
 
                 /* we expect a GRE connection from PAC to PNS */
-                seq = ntohl(tcph->seq) + sizeof(struct pptp_pkt_hdr)
-                                       + sizeof(struct PptpControlHeader)
-                                       + ((void *)pcid - (void *)pptpReq);
-
-                if (exp_gre(ct, seq, *cid, *pcid) != 0)
-                        printk("ip_conntrack_pptp: error during exp_gre\n");
-
+                exp_gre(ct, *cid, *pcid);
                 break;
 
         case PPTP_CALL_DISCONNECT_NOTIFY: