1 files changed, 47 insertions, 47 deletions

diff --git a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
index 2443322e4128..9d5b917f49cd 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
@@ -1,9 +1,9 @@
 /*
  * Connection tracking protocol helper module for SCTP.
- * 
- * SCTP is defined in RFC 2960. References to various sections in this code 
+ *
+ * SCTP is defined in RFC 2960. References to various sections in this code
  * are to this RFC.
- * 
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -38,7 +38,7 @@
 static DEFINE_RWLOCK(sctp_lock);
 
 /* FIXME: Examine ipfilter's timeouts and conntrack transitions more
-   closely.  They're more complex. --RR 
+   closely.  They're more complex. --RR
 
    And so for me for SCTP :D -Kiran */
 
@@ -87,32 +87,32 @@ static const unsigned int * sctp_timeouts[]
 #define	sSA SCTP_CONNTRACK_SHUTDOWN_ACK_SENT
 #define	sIV SCTP_CONNTRACK_MAX
 
-/* 
+/*
 	These are the descriptions of the states:
 
-NOTE: These state names are tantalizingly similar to the states of an 
+NOTE: These state names are tantalizingly similar to the states of an
 SCTP endpoint. But the interpretation of the states is a little different,
-considering that these are the states of the connection and not of an end 
+considering that these are the states of the connection and not of an end
 point. Please note the subtleties. -Kiran
 
 NONE              - Nothing so far.
-COOKIE WAIT       - We have seen an INIT chunk in the original direction, or also 
-                    an INIT_ACK chunk in the reply direction.
+COOKIE WAIT       - We have seen an INIT chunk in the original direction, or also
+		    an INIT_ACK chunk in the reply direction.
 COOKIE ECHOED     - We have seen a COOKIE_ECHO chunk in the original direction.
 ESTABLISHED       - We have seen a COOKIE_ACK in the reply direction.
 SHUTDOWN_SENT     - We have seen a SHUTDOWN chunk in the original direction.
 SHUTDOWN_RECD     - We have seen a SHUTDOWN chunk in the reply directoin.
 SHUTDOWN_ACK_SENT - We have seen a SHUTDOWN_ACK chunk in the direction opposite
-                    to that of the SHUTDOWN chunk.
-CLOSED            - We have seen a SHUTDOWN_COMPLETE chunk in the direction of 
-                    the SHUTDOWN chunk. Connection is closed.
+		    to that of the SHUTDOWN chunk.
+CLOSED            - We have seen a SHUTDOWN_COMPLETE chunk in the direction of
+		    the SHUTDOWN chunk. Connection is closed.
 */
 
 /* TODO
- - I have assumed that the first INIT is in the original direction. 
+ - I have assumed that the first INIT is in the original direction.
  This messes things when an INIT comes in the reply direction in CLOSED
  state.
- - Check the error type in the reply dir before transitioning from 
+ - Check the error type in the reply dir before transitioning from
 cookie echoed to closed.
  - Sec 5.2.4 of RFC 2960
  - Multi Homing support.
@@ -229,7 +229,7 @@ static int do_basic_checks(struct ip_conntrack *conntrack,
 	for_each_sctp_chunk (skb, sch, _sch, offset, count) {
 		DEBUGP("Chunk Num: %d  Type: %d\n", count, sch->type);
 
-		if (sch->type == SCTP_CID_INIT 
+		if (sch->type == SCTP_CID_INIT
 			|| sch->type == SCTP_CID_INIT_ACK
 			|| sch->type == SCTP_CID_SHUTDOWN_COMPLETE) {
 			flag = 1;
@@ -269,42 +269,42 @@ static int new_state(enum ip_conntrack_dir dir,
 	DEBUGP("Chunk type: %d\n", chunk_type);
 
 	switch (chunk_type) {
-		case SCTP_CID_INIT: 
+		case SCTP_CID_INIT:
 			DEBUGP("SCTP_CID_INIT\n");
 			i = 0; break;
-		case SCTP_CID_INIT_ACK: 
+		case SCTP_CID_INIT_ACK:
 			DEBUGP("SCTP_CID_INIT_ACK\n");
 			i = 1; break;
-		case SCTP_CID_ABORT: 
+		case SCTP_CID_ABORT:
 			DEBUGP("SCTP_CID_ABORT\n");
 			i = 2; break;
-		case SCTP_CID_SHUTDOWN: 
+		case SCTP_CID_SHUTDOWN:
 			DEBUGP("SCTP_CID_SHUTDOWN\n");
 			i = 3; break;
-		case SCTP_CID_SHUTDOWN_ACK: 
+		case SCTP_CID_SHUTDOWN_ACK:
 			DEBUGP("SCTP_CID_SHUTDOWN_ACK\n");
 			i = 4; break;
-		case SCTP_CID_ERROR: 
+		case SCTP_CID_ERROR:
 			DEBUGP("SCTP_CID_ERROR\n");
 			i = 5; break;
-		case SCTP_CID_COOKIE_ECHO: 
+		case SCTP_CID_COOKIE_ECHO:
 			DEBUGP("SCTP_CID_COOKIE_ECHO\n");
 			i = 6; break;
-		case SCTP_CID_COOKIE_ACK: 
+		case SCTP_CID_COOKIE_ACK:
 			DEBUGP("SCTP_CID_COOKIE_ACK\n");
 			i = 7; break;
-		case SCTP_CID_SHUTDOWN_COMPLETE: 
+		case SCTP_CID_SHUTDOWN_COMPLETE:
 			DEBUGP("SCTP_CID_SHUTDOWN_COMPLETE\n");
 			i = 8; break;
 		default:
 			/* Other chunks like DATA, SACK, HEARTBEAT and
 			its ACK do not cause a change in state */
-			DEBUGP("Unknown chunk type, Will stay in %s\n", 
+			DEBUGP("Unknown chunk type, Will stay in %s\n",
 						sctp_conntrack_names[cur_state]);
 			return cur_state;
 	}
 
-	DEBUGP("dir: %d   cur_state: %s  chunk_type: %d  new_state: %s\n", 
+	DEBUGP("dir: %d   cur_state: %s  chunk_type: %d  new_state: %s\n",
 			dir, sctp_conntrack_names[cur_state], chunk_type,
 			sctp_conntrack_names[sctp_conntracks[dir][i][cur_state]]);
 
@@ -367,7 +367,7 @@ static int sctp_packet(struct ip_conntrack *conntrack,
 			/* Sec 8.5.1 (C) */
 			if (!(sh->vtag == conntrack->proto.sctp.vtag[CTINFO2DIR(ctinfo)])
 				&& !(sh->vtag == conntrack->proto.sctp.vtag
-							[1 - CTINFO2DIR(ctinfo)] 
+							[1 - CTINFO2DIR(ctinfo)]
 					&& (sch->flags & 1))) {
 				write_unlock_bh(&sctp_lock);
 				return -1;
@@ -392,17 +392,17 @@ static int sctp_packet(struct ip_conntrack *conntrack,
 		}
 
 		/* If it is an INIT or an INIT ACK note down the vtag */
-		if (sch->type == SCTP_CID_INIT 
+		if (sch->type == SCTP_CID_INIT
 			|| sch->type == SCTP_CID_INIT_ACK) {
 			sctp_inithdr_t _inithdr, *ih;
 
 			ih = skb_header_pointer(skb, offset + sizeof(sctp_chunkhdr_t),
-			                        sizeof(_inithdr), &_inithdr);
+						sizeof(_inithdr), &_inithdr);
 			if (ih == NULL) {
 					write_unlock_bh(&sctp_lock);
 					return -1;
 			}
-			DEBUGP("Setting vtag %x for dir %d\n", 
+			DEBUGP("Setting vtag %x for dir %d\n",
 					ih->init_tag, !CTINFO2DIR(ctinfo));
 			conntrack->proto.sctp.vtag[!CTINFO2DIR(ctinfo)] = ih->init_tag;
 		}
@@ -427,7 +427,7 @@ static int sctp_packet(struct ip_conntrack *conntrack,
 }
 
 /* Called when a new connection for this protocol found. */
-static int sctp_new(struct ip_conntrack *conntrack, 
+static int sctp_new(struct ip_conntrack *conntrack,
 		    const struct sk_buff *skb)
 {
 	enum sctp_conntrack newconntrack;
@@ -457,7 +457,7 @@ static int sctp_new(struct ip_conntrack *conntrack,
 	newconntrack = SCTP_CONNTRACK_MAX;
 	for_each_sctp_chunk (skb, sch, _sch, offset, count) {
 		/* Don't need lock here: this conntrack not in circulation yet */
-		newconntrack = new_state (IP_CT_DIR_ORIGINAL, 
+		newconntrack = new_state (IP_CT_DIR_ORIGINAL,
 						SCTP_CONNTRACK_NONE, sch->type);
 
 		/* Invalid: delete conntrack */
@@ -472,14 +472,14 @@ static int sctp_new(struct ip_conntrack *conntrack,
 				sctp_inithdr_t _inithdr, *ih;
 
 				ih = skb_header_pointer(skb, offset + sizeof(sctp_chunkhdr_t),
-				                        sizeof(_inithdr), &_inithdr);
+							sizeof(_inithdr), &_inithdr);
 				if (ih == NULL)
 					return 0;
 
-				DEBUGP("Setting vtag %x for new conn\n", 
+				DEBUGP("Setting vtag %x for new conn\n",
 					ih->init_tag);
 
-				conntrack->proto.sctp.vtag[IP_CT_DIR_REPLY] = 
+				conntrack->proto.sctp.vtag[IP_CT_DIR_REPLY] =
 								ih->init_tag;
 			} else {
 				/* Sec 8.5.1 (A) */
@@ -489,7 +489,7 @@ static int sctp_new(struct ip_conntrack *conntrack,
 		/* If it is a shutdown ack OOTB packet, we expect a return
 		   shutdown complete, otherwise an ABORT Sec 8.4 (5) and (8) */
 		else {
-			DEBUGP("Setting vtag %x for new conn OOTB\n", 
+			DEBUGP("Setting vtag %x for new conn OOTB\n",
 				sh->vtag);
 			conntrack->proto.sctp.vtag[IP_CT_DIR_REPLY] = sh->vtag;
 		}
@@ -500,16 +500,16 @@ static int sctp_new(struct ip_conntrack *conntrack,
 	return 1;
 }
 
-static struct ip_conntrack_protocol ip_conntrack_protocol_sctp = { 
-	.proto 		 = IPPROTO_SCTP, 
+static struct ip_conntrack_protocol ip_conntrack_protocol_sctp = {
+	.proto 		 = IPPROTO_SCTP,
 	.name 		 = "sctp",
-	.pkt_to_tuple 	 = sctp_pkt_to_tuple, 
-	.invert_tuple 	 = sctp_invert_tuple, 
-	.print_tuple 	 = sctp_print_tuple, 
+	.pkt_to_tuple 	 = sctp_pkt_to_tuple,
+	.invert_tuple 	 = sctp_invert_tuple,
+	.print_tuple 	 = sctp_print_tuple,
 	.print_conntrack = sctp_print_conntrack,
-	.packet 	 = sctp_packet, 
-	.new 		 = sctp_new, 
-	.destroy 	 = NULL, 
+	.packet 	 = sctp_packet,
+	.new 		 = sctp_new,
+	.destroy 	 = NULL,
 	.me 		 = THIS_MODULE,
 #if defined(CONFIG_IP_NF_CONNTRACK_NETLINK) || \
     defined(CONFIG_IP_NF_CONNTRACK_NETLINK_MODULE)
@@ -603,7 +603,7 @@ static ctl_table ip_ct_net_table[] = {
 	{
 		.ctl_name	= CTL_NET,
 		.procname	= "net",
-		.mode		= 0555, 
+		.mode		= 0555,
 		.child		= ip_ct_ipv4_table,
 	},
 	{ .ctl_name = 0 }
@@ -638,7 +638,7 @@ static int __init ip_conntrack_proto_sctp_init(void)
 	ip_conntrack_protocol_unregister(&ip_conntrack_protocol_sctp);
 #endif
  out:
-	DEBUGP("SCTP conntrack module loading %s\n", 
+	DEBUGP("SCTP conntrack module loading %s\n",
 					ret ? "failed": "succeeded");
 	return ret;
 }
@@ -647,7 +647,7 @@ static void __exit ip_conntrack_proto_sctp_fini(void)
 {
 	ip_conntrack_protocol_unregister(&ip_conntrack_protocol_sctp);
 #ifdef CONFIG_SYSCTL
- 	unregister_sysctl_table(ip_ct_sysctl_header);
+	unregister_sysctl_table(ip_ct_sysctl_header);
 #endif
 	DEBUGP("SCTP conntrack module unloaded\n");
 }