[NETFILTER]: nf_conntrack_h323: remove unnecessary process of Information signal

According to the implementation of H.323, it's not necessary to check
the addresses in Information signals.
Signed-off-by: NJing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/netfilter/nf_conntrack_h323_main.c

@@ -976,30 +976,6 @@ static int process_alerting(struct sk_buff **pskb, struct nf_conn *ct,
 	return 0;
 }
 
-/****************************************************************************/
-static int process_information(struct sk_buff **pskb,
-			       struct nf_conn *ct,
-			       enum ip_conntrack_info ctinfo,
-			       unsigned char **data, int dataoff,
-			       Information_UUIE *info)
-{
-	int ret;
-	int i;
-
-	DEBUGP("nf_ct_q931: Information\n");
-
-	if (info->options & eInformation_UUIE_fastStart) {
-		for (i = 0; i < info->fastStart.count; i++) {
-			ret = process_olc(pskb, ct, ctinfo, data, dataoff,
-					  &info->fastStart.item[i]);
-			if (ret < 0)
-				return -1;
-		}
-	}
-
-	return 0;
-}
-
 /****************************************************************************/
 static int process_facility(struct sk_buff **pskb, struct nf_conn *ct,
 			    enum ip_conntrack_info ctinfo,
@@ -1096,11 +1072,6 @@ static int process_q931(struct sk_buff **pskb, struct nf_conn *ct,
 		ret = process_alerting(pskb, ct, ctinfo, data, dataoff,
 				       &pdu->h323_message_body.alerting);
 		break;
-	case eH323_UU_PDU_h323_message_body_information:
-		ret = process_information(pskb, ct, ctinfo, data, dataoff,
-					  &pdu->h323_message_body.
-					  information);
-		break;
 	case eH323_UU_PDU_h323_message_body_facility:
 		ret = process_facility(pskb, ct, ctinfo, data, dataoff,
 				       &pdu->h323_message_body.facility);