[NET] IPV4: Fix whitespace errors.

Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/af_inet.c

@@ -550,7 +550,7 @@ int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
 		if (err < 0)
 			goto out;
 
-  		sock->state = SS_CONNECTING;
+		sock->state = SS_CONNECTING;
 
 		/* Just entered SS_CONNECTING state; the only
 		 * difference is that return value in non-blocking
@@ -878,36 +878,36 @@ static struct net_proto_family inet_family_ops = {
  */
 static struct inet_protosw inetsw_array[] =
 {
-        {
-                .type =       SOCK_STREAM,
-                .protocol =   IPPROTO_TCP,
-                .prot =       &tcp_prot,
-                .ops =        &inet_stream_ops,
-                .capability = -1,
-                .no_check =   0,
-                .flags =      INET_PROTOSW_PERMANENT |
+	{
+		.type =       SOCK_STREAM,
+		.protocol =   IPPROTO_TCP,
+		.prot =       &tcp_prot,
+		.ops =        &inet_stream_ops,
+		.capability = -1,
+		.no_check =   0,
+		.flags =      INET_PROTOSW_PERMANENT |
 			      INET_PROTOSW_ICSK,
-        },
-
-        {
-                .type =       SOCK_DGRAM,
-                .protocol =   IPPROTO_UDP,
-                .prot =       &udp_prot,
-                .ops =        &inet_dgram_ops,
-                .capability = -1,
-                .no_check =   UDP_CSUM_DEFAULT,
-                .flags =      INET_PROTOSW_PERMANENT,
+	},
+
+	{
+		.type =       SOCK_DGRAM,
+		.protocol =   IPPROTO_UDP,
+		.prot =       &udp_prot,
+		.ops =        &inet_dgram_ops,
+		.capability = -1,
+		.no_check =   UDP_CSUM_DEFAULT,
+		.flags =      INET_PROTOSW_PERMANENT,
        },
-        
+
 
        {
-               .type =       SOCK_RAW,
-               .protocol =   IPPROTO_IP,	/* wild card */
-               .prot =       &raw_prot,
-               .ops =        &inet_sockraw_ops,
-               .capability = CAP_NET_RAW,
-               .no_check =   UDP_CSUM_DEFAULT,
-               .flags =      INET_PROTOSW_REUSE,
+	       .type =       SOCK_RAW,
+	       .protocol =   IPPROTO_IP,	/* wild card */
+	       .prot =       &raw_prot,
+	       .ops =        &inet_sockraw_ops,
+	       .capability = CAP_NET_RAW,
+	       .no_check =   UDP_CSUM_DEFAULT,
+	       .flags =      INET_PROTOSW_REUSE,
        }
 };
 
@@ -946,7 +946,7 @@ void inet_register_protosw(struct inet_protosw *p)
 	/* Add the new entry after the last permanent entry if any, so that
 	 * the new entry does not override a permanent entry when matched with
 	 * a wild-card protocol. But it is allowed to override any existing
-	 * non-permanent entry.  This means that when we remove this entry, the 
+	 * non-permanent entry.  This means that when we remove this entry, the
 	 * system automatically returns to the old behavior.
 	 */
 	list_add_rcu(&p->list, last_perm);
@@ -1073,7 +1073,7 @@ int inet_sk_rebuild_header(struct sock *sk)
 			},
 		},
 	};
-						
+
 	security_sk_classify_flow(sk, &fl);
 	err = ip_route_output_flow(&rt, &fl, sk, 0);
 }
@@ -1273,10 +1273,10 @@ static int __init inet_init(void)
 		goto out_unregister_udp_proto;
 
 	/*
-	 *	Tell SOCKET that we are alive... 
+	 *	Tell SOCKET that we are alive...
 	 */
 
-  	(void)sock_register(&inet_family_ops);
+	(void)sock_register(&inet_family_ops);
 
 	/*
 	 *	Add all the base protocols.
@@ -1306,9 +1306,9 @@ static int __init inet_init(void)
 
 	arp_init();
 
-  	/*
-  	 *	Set the IP module up
-  	 */
+	/*
+	 *	Set the IP module up
+	 */
 
 	ip_init();
 
@@ -1334,11 +1334,11 @@ static int __init inet_init(void)
 #endif
 	/*
 	 *	Initialise per-cpu ipv4 mibs
-	 */ 
+	 */
 
 	if(init_ipv4_mibs())
 		printk(KERN_CRIT "inet_init: Cannot init ipv4 mibs\n"); ;
-	
+
 	ipv4_proc_init();
 
 	ipfrag_init();

net/ipv4/ah4.c

@@ -91,7 +91,7 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 	top_iph->check = 0;
 
 	ahp = x->data;
-	ah->hdrlen  = (XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + 
+	ah->hdrlen  = (XFRM_ALIGN8(sizeof(struct ip_auth_hdr) +
 				   ahp->icv_trunc_len) >> 2) - 2;
 
 	ah->reserved = 0;
@@ -135,9 +135,9 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 	ah = (struct ip_auth_hdr*)skb->data;
 	ahp = x->data;
 	ah_hlen = (ah->hdrlen + 2) << 2;
-	
+
 	if (ah_hlen != XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_full_len) &&
-	    ah_hlen != XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_trunc_len)) 
+	    ah_hlen != XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_trunc_len))
 		goto out;
 
 	if (!pskb_may_pull(skb, ah_hlen))
@@ -166,9 +166,9 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 		if (ip_clear_mutable_options(iph, &dummy))
 			goto out;
 	}
-        {
+	{
 		u8 auth_data[MAX_AH_AUTH_LEN];
-		
+
 		memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
 		skb_push(skb, ihl);
 		err = ah_mac_digest(ahp, skb, ah->auth_data);
@@ -237,7 +237,7 @@ static int ah_init_state(struct xfrm_state *x)
 	ahp->tfm = tfm;
 	if (crypto_hash_setkey(tfm, ahp->key, ahp->key_len))
 		goto error;
-	
+
 	/*
 	 * Lookup the algorithm description maintained by xfrm_algo,
 	 * verify crypto transform properties, and store information
@@ -254,16 +254,16 @@ static int ah_init_state(struct xfrm_state *x)
 		       aalg_desc->uinfo.auth.icv_fullbits/8);
 		goto error;
 	}
-	
+
 	ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
 	ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
-	
+
 	BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
-	
+
 	ahp->work_icv = kmalloc(ahp->icv_full_len, GFP_KERNEL);
 	if (!ahp->work_icv)
 		goto error;
-	
+
 	x->props.header_len = XFRM_ALIGN8(sizeof(struct ip_auth_hdr) + ahp->icv_trunc_len);
 	if (x->props.mode == XFRM_MODE_TUNNEL)
 		x->props.header_len += sizeof(struct iphdr);

net/ipv4/arp.c

@@ -15,9 +15,9 @@
  * 2 of the License, or (at your option) any later version.
  *
  * Fixes:
- *		Alan Cox	:	Removed the Ethernet assumptions in 
+ *		Alan Cox	:	Removed the Ethernet assumptions in
  *					Florian's code
- *		Alan Cox	:	Fixed some small errors in the ARP 
+ *		Alan Cox	:	Fixed some small errors in the ARP
  *					logic
  *		Alan Cox	:	Allow >4K in /proc
  *		Alan Cox	:	Make ARP add its own protocol entry
@@ -39,18 +39,18 @@
  *		Jonathan Naylor :	Only lookup the hardware address for
  *					the correct hardware type.
  *		Germano Caronni	:	Assorted subtle races.
- *		Craig Schlenter :	Don't modify permanent entry 
+ *		Craig Schlenter :	Don't modify permanent entry
  *					during arp_rcv.
  *		Russ Nelson	:	Tidied up a few bits.
  *		Alexey Kuznetsov:	Major changes to caching and behaviour,
- *					eg intelligent arp probing and 
+ *					eg intelligent arp probing and
  *					generation
  *					of host down events.
  *		Alan Cox	:	Missing unlock in device events.
  *		Eckes		:	ARP ioctl control errors.
  *		Alexey Kuznetsov:	Arp free fix.
  *		Manuel Rodriguez:	Gratuitous ARP.
- *              Jonathan Layes  :       Added arpd support through kerneld 
+ *              Jonathan Layes  :       Added arpd support through kerneld
  *                                      message queue (960314)
  *		Mike Shaver	:	/proc/sys/net/ipv4/arp_* support
  *		Mike McLagan    :	Routing by source
@@ -210,7 +210,7 @@ int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir)
 	case ARPHRD_FDDI:
 	case ARPHRD_IEEE802:
 		ip_eth_mc_map(addr, haddr);
-		return 0; 
+		return 0;
 	case ARPHRD_IEEE802_TR:
 		ip_tr_mc_map(addr, haddr);
 		return 0;
@@ -288,7 +288,7 @@ static int arp_constructor(struct neighbour *neigh)
 		switch (dev->type) {
 		default:
 			break;
-		case ARPHRD_ROSE:	
+		case ARPHRD_ROSE:
 #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
 		case ARPHRD_AX25:
 #if defined(CONFIG_NETROM) || defined(CONFIG_NETROM_MODULE)
@@ -425,18 +425,18 @@ static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev)
 	struct flowi fl = { .nl_u = { .ip4_u = { .daddr = sip,
 						 .saddr = tip } } };
 	struct rtable *rt;
-	int flag = 0; 
+	int flag = 0;
 	/*unsigned long now; */
 
-	if (ip_route_output_key(&rt, &fl) < 0) 
+	if (ip_route_output_key(&rt, &fl) < 0)
 		return 1;
-	if (rt->u.dst.dev != dev) { 
+	if (rt->u.dst.dev != dev) {
 		NET_INC_STATS_BH(LINUX_MIB_ARPFILTER);
 		flag = 1;
-	} 
-	ip_rt_put(rt); 
-	return flag; 
-} 
+	}
+	ip_rt_put(rt);
+	return flag;
+}
 
 /* OBSOLETE FUNCTIONS */
 
@@ -490,7 +490,7 @@ int arp_find(unsigned char *haddr, struct sk_buff *skb)
 		n->used = jiffies;
 		if (n->nud_state&NUD_VALID || neigh_event_send(n, skb) == 0) {
 			read_lock_bh(&n->lock);
- 			memcpy(haddr, n->ha, dev->addr_len);
+			memcpy(haddr, n->ha, dev->addr_len);
 			read_unlock_bh(&n->lock);
 			neigh_release(n);
 			return 0;
@@ -572,7 +572,7 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
 	/*
 	 *	Allocate a buffer
 	 */
-	
+
 	skb = alloc_skb(sizeof(struct arphdr)+ 2*(dev->addr_len+4)
 				+ LL_RESERVED_SPACE(dev), GFP_ATOMIC);
 	if (skb == NULL)
@@ -685,7 +685,7 @@ void arp_send(int type, int ptype, __be32 dest_ip,
 	/*
 	 *	No arp on this interface.
 	 */
-	
+
 	if (dev->flags&IFF_NOARP)
 		return;
 
@@ -725,7 +725,7 @@ static int arp_process(struct sk_buff *skb)
 	arp = skb->nh.arph;
 
 	switch (dev_type) {
-	default:	
+	default:
 		if (arp->ar_pro != htons(ETH_P_IP) ||
 		    htons(dev_type) != arp->ar_hrd)
 			goto out;
@@ -792,7 +792,7 @@ static int arp_process(struct sk_buff *skb)
 	tha	= arp_ptr;
 	arp_ptr += dev->addr_len;
 	memcpy(&tip, arp_ptr, 4);
-/* 
+/*
  *	Check for bad requests for 127.x.x.x and requests for multicast
  *	addresses.  If this is one such, delete it.
  */
@@ -809,16 +809,16 @@ static int arp_process(struct sk_buff *skb)
  *  Process entry.  The idea here is we want to send a reply if it is a
  *  request for us or if it is a request for someone else that we hold
  *  a proxy for.  We want to add an entry to our cache if it is a reply
- *  to us or if it is a request for our address.  
- *  (The assumption for this last is that if someone is requesting our 
- *  address, they are probably intending to talk to us, so it saves time 
- *  if we cache their address.  Their address is also probably not in 
+ *  to us or if it is a request for our address.
+ *  (The assumption for this last is that if someone is requesting our
+ *  address, they are probably intending to talk to us, so it saves time
+ *  if we cache their address.  Their address is also probably not in
  *  our cache, since ours is not in their cache.)
- * 
+ *
  *  Putting this another way, we only care about replies if they are to
  *  us, in which case we add them to the cache.  For requests, we care
  *  about those for us and those for our proxies.  We reply to both,
- *  and in the case of requests for us we add the requester to the arp 
+ *  and in the case of requests for us we add the requester to the arp
  *  cache.
  */
 
@@ -845,7 +845,7 @@ static int arp_process(struct sk_buff *skb)
 				if (!dont_send)
 					dont_send |= arp_ignore(in_dev,dev,sip,tip);
 				if (!dont_send && IN_DEV_ARPFILTER(in_dev))
-					dont_send |= arp_filter(sip,tip,dev); 
+					dont_send |= arp_filter(sip,tip,dev);
 				if (!dont_send)
 					arp_send(ARPOP_REPLY,ETH_P_ARP,sip,dev,tip,sha,dev->dev_addr,sha);
 
@@ -860,7 +860,7 @@ static int arp_process(struct sk_buff *skb)
 				if (n)
 					neigh_release(n);
 
-				if (NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED || 
+				if (NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED ||
 				    skb->pkt_type == PACKET_HOST ||
 				    in_dev->arp_parms->proxy_delay == 0) {
 					arp_send(ARPOP_REPLY,ETH_P_ARP,sip,dev,tip,sha,dev->dev_addr,sha);
@@ -1039,7 +1039,7 @@ static int arp_req_set(struct arpreq *r, struct net_device * dev)
 		if (r->arp_flags & ATF_PERM)
 			state = NUD_PERMANENT;
 		err = neigh_update(neigh, (r->arp_flags&ATF_COM) ?
-				   r->arp_ha.sa_data : NULL, state, 
+				   r->arp_ha.sa_data : NULL, state,
 				   NEIGH_UPDATE_F_OVERRIDE|
 				   NEIGH_UPDATE_F_ADMIN);
 		neigh_release(neigh);
@@ -1121,7 +1121,7 @@ static int arp_req_delete(struct arpreq *r, struct net_device * dev)
 	neigh = neigh_lookup(&arp_tbl, &ip, dev);
 	if (neigh) {
 		if (neigh->nud_state&~NUD_NOARP)
-			err = neigh_update(neigh, NULL, NUD_FAILED, 
+			err = neigh_update(neigh, NULL, NUD_FAILED,
 					   NEIGH_UPDATE_F_OVERRIDE|
 					   NEIGH_UPDATE_F_ADMIN);
 		neigh_release(neigh);
@@ -1181,7 +1181,7 @@ int arp_ioctl(unsigned int cmd, void __user *arg)
 
 	switch(cmd) {
 	case SIOCDARP:
-	        err = arp_req_delete(&r, dev);
+		err = arp_req_delete(&r, dev);
 		break;
 	case SIOCSARP:
 		err = arp_req_set(&r, dev);
@@ -1268,14 +1268,14 @@ static char *ax2asc2(ax25_address *a, char *buf)
 
 		if (c != ' ') *s++ = c;
 	}
-	
+
 	*s++ = '-';
 
 	if ((n = ((a->ax25_call[6] >> 1) & 0x0F)) > 9) {
 		*s++ = '1';
 		n -= 10;
 	}
-	
+
 	*s++ = n + '0';
 	*s++ = '\0';
 
@@ -1373,7 +1373,7 @@ static int arp_seq_open(struct inode *inode, struct file *file)
 	struct seq_file *seq;
 	int rc = -ENOMEM;
 	struct neigh_seq_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-       
+
 	if (!s)
 		goto out;
 

net/ipv4/datagram.c

@@ -29,12 +29,12 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	int oif;
 	int err;
 
-	
-	if (addr_len < sizeof(*usin)) 
-	  	return -EINVAL;
 
-	if (usin->sin_family != AF_INET) 
-	  	return -EAFNOSUPPORT;
+	if (addr_len < sizeof(*usin))
+		return -EINVAL;
+
+	if (usin->sin_family != AF_INET)
+		return -EAFNOSUPPORT;
 
 	sk_dst_reset(sk);
 
@@ -56,8 +56,8 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		ip_rt_put(rt);
 		return -EACCES;
 	}
-  	if (!inet->saddr)
-	  	inet->saddr = rt->rt_src;	/* Update source address */
+	if (!inet->saddr)
+		inet->saddr = rt->rt_src;	/* Update source address */
 	if (!inet->rcv_saddr)
 		inet->rcv_saddr = rt->rt_src;
 	inet->daddr = rt->rt_dst;

net/ipv4/devinet.c

@@ -252,7 +252,7 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
 
 	ASSERT_RTNL();
 
-	/* 1. Deleting primary ifaddr forces deletion all secondaries 
+	/* 1. Deleting primary ifaddr forces deletion all secondaries
 	 * unless alias promotion is set
 	 **/
 
@@ -260,7 +260,7 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
 		struct in_ifaddr **ifap1 = &ifa1->ifa_next;
 
 		while ((ifa = *ifap1) != NULL) {
-			if (!(ifa->ifa_flags & IFA_F_SECONDARY) && 
+			if (!(ifa->ifa_flags & IFA_F_SECONDARY) &&
 			    ifa1->ifa_scope <= ifa->ifa_scope)
 				last_prim = ifa;
 
@@ -583,8 +583,8 @@ static __inline__ int inet_abc_len(__be32 addr)
 {
 	int rc = -1;	/* Something else, probably a multicast. */
 
-  	if (ZERONET(addr))
-  		rc = 0;
+	if (ZERONET(addr))
+		rc = 0;
 	else {
 		__u32 haddr = ntohl(addr);
 
@@ -596,7 +596,7 @@ static __inline__ int inet_abc_len(__be32 addr)
 			rc = 24;
 	}
 
-  	return rc;
+	return rc;
 }
 
 
@@ -1020,29 +1020,29 @@ int unregister_inetaddr_notifier(struct notifier_block *nb)
  * alias numbering and to create unique labels if possible.
 */
 static void inetdev_changename(struct net_device *dev, struct in_device *in_dev)
-{ 
+{
 	struct in_ifaddr *ifa;
 	int named = 0;
 
-	for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { 
-		char old[IFNAMSIZ], *dot; 
+	for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
+		char old[IFNAMSIZ], *dot;
 
 		memcpy(old, ifa->ifa_label, IFNAMSIZ);
-		memcpy(ifa->ifa_label, dev->name, IFNAMSIZ); 
+		memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
 		if (named++ == 0)
 			continue;
 		dot = strchr(ifa->ifa_label, ':');
-		if (dot == NULL) { 
-			sprintf(old, ":%d", named); 
+		if (dot == NULL) {
+			sprintf(old, ":%d", named);
 			dot = old;
 		}
-		if (strlen(dot) + strlen(dev->name) < IFNAMSIZ) { 
-			strcat(ifa->ifa_label, dot); 
-		} else { 
-			strcpy(ifa->ifa_label + (IFNAMSIZ - strlen(dot) - 1), dot); 
-		} 
-	}	
-} 
+		if (strlen(dot) + strlen(dev->name) < IFNAMSIZ) {
+			strcat(ifa->ifa_label, dot);
+		} else {
+			strcpy(ifa->ifa_label + (IFNAMSIZ - strlen(dot) - 1), dot);
+		}
+	}
+}
 
 /* Called only under RTNL semaphore */
 
@@ -1539,7 +1539,7 @@ static struct devinet_sysctl_table {
 		},
 	},
 	.devinet_conf_dir = {
-	        {
+		{
 			.ctl_name	= NET_IPV4_CONF,
 			.procname	= "conf",
 			.mode		= 0555,
@@ -1581,18 +1581,18 @@ static void devinet_sysctl_register(struct in_device *in_dev,
 	}
 
 	if (dev) {
-		dev_name = dev->name; 
+		dev_name = dev->name;
 		t->devinet_dev[0].ctl_name = dev->ifindex;
 	} else {
 		dev_name = "default";
 		t->devinet_dev[0].ctl_name = NET_PROTO_CONF_DEFAULT;
 	}
 
-	/* 
-	 * Make a copy of dev_name, because '.procname' is regarded as const 
+	/*
+	 * Make a copy of dev_name, because '.procname' is regarded as const
 	 * by sysctl and we wouldn't want anyone to change it under our feet
 	 * (see SIOCSIFNAME).
-	 */	
+	 */
 	dev_name = kstrdup(dev_name, GFP_KERNEL);
 	if (!dev_name)
 	    goto free;

net/ipv4/esp4.c

@@ -215,7 +215,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
 	if (padlen+2 >= elen)
 		goto out;
 
-	/* ... check padding bits here. Silly. :-) */ 
+	/* ... check padding bits here. Silly. :-) */
 
 	iph = skb->nh.iph;
 	ihl = iph->ihl * 4;
@@ -236,7 +236,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
 
 			ipaddr.a4 = iph->saddr;
 			km_new_mapping(x, &ipaddr, uh->source);
-				
+
 			/* XXX: perhaps add an extra
 			 * policy check here, to see
 			 * if we should allow or
@@ -245,7 +245,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
 			 * address/port.
 			 */
 		}
-	
+
 		/*
 		 * 2) ignore UDP/TCP checksums in case
 		 *    of NAT-T in Transport Mode, or
@@ -284,7 +284,7 @@ static u32 esp4_get_max_size(struct xfrm_state *x, int mtu)
 		mtu = ALIGN(mtu + 2, 4) + blksize - 4;
 		break;
 	case XFRM_MODE_BEET:
- 		/* The worst case. */
+		/* The worst case. */
 		enclen = IPV4_BEET_PHMAXLEN;
 		mtu = ALIGN(mtu + enclen + 2, blksize);
 		break;

net/ipv4/fib_frontend.c

@@ -160,7 +160,7 @@ unsigned inet_addr_type(__be32 addr)
 #ifdef CONFIG_IP_MULTIPLE_TABLES
 	res.r = NULL;
 #endif
-	
+
 	if (ip_fib_local_table) {
 		ret = RTN_UNICAST;
 		if (!ip_fib_local_table->tb_lookup(ip_fib_local_table,
@@ -378,7 +378,7 @@ static int rtentry_to_fib_config(int cmd, struct rtentry *rt,
 		int len = 0;
 
 		mx = kzalloc(3 * nla_total_size(4), GFP_KERNEL);
- 		if (mx == NULL)
+		if (mx == NULL)
 			return -ENOMEM;
 
 		if (rt->rt_flags & RTF_MTU)
@@ -400,7 +400,7 @@ static int rtentry_to_fib_config(int cmd, struct rtentry *rt,
 /*
  *	Handle IP routing ioctl calls. These are used to manipulate the routing tables
  */
- 
+
 int ip_rt_ioctl(unsigned int cmd, void __user *arg)
 {
 	struct fib_config cfg;
@@ -600,7 +600,7 @@ int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 				goto next;
 			if (dumped)
 				memset(&cb->args[2], 0, sizeof(cb->args) -
-				                 2 * sizeof(cb->args[0]));
+						 2 * sizeof(cb->args[0]));
 			if (tb->tb_dump(tb, skb, cb) < 0)
 				goto out;
 			dumped = 1;
@@ -766,7 +766,7 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
 
 static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
 {
-	
+
 	struct fib_result       res;
 	struct flowi            fl = { .mark = frn->fl_mark,
 				       .nl_u = { .ip4_u = { .daddr = frn->fl_addr,
@@ -791,11 +791,11 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
 static void nl_fib_input(struct sock *sk, int len)
 {
 	struct sk_buff *skb = NULL;
-        struct nlmsghdr *nlh = NULL;
+	struct nlmsghdr *nlh = NULL;
 	struct fib_result_nl *frn;
-	u32 pid;     
+	u32 pid;
 	struct fib_table *tb;
-	
+
 	skb = skb_dequeue(&sk->sk_receive_queue);
 	nlh = (struct nlmsghdr *)skb->data;
 	if (skb->len < NLMSG_SPACE(0) || skb->len < nlh->nlmsg_len ||
@@ -803,17 +803,17 @@ static void nl_fib_input(struct sock *sk, int len)
 		kfree_skb(skb);
 		return;
 	}
-	
+
 	frn = (struct fib_result_nl *) NLMSG_DATA(nlh);
 	tb = fib_get_table(frn->tb_id_in);
 
 	nl_fib_lookup(frn, tb);
-	
+
 	pid = nlh->nlmsg_pid;           /*pid of sending process */
 	NETLINK_CB(skb).pid = 0;         /* from kernel */
 	NETLINK_CB(skb).dst_group = 0;  /* unicast */
 	netlink_unicast(sk, skb, pid, MSG_DONTWAIT);
-}    
+}
 
 static void nl_fib_lookup_init(void)
 {

net/ipv4/fib_hash.c

@@ -146,7 +146,7 @@ static void fn_rehash_zone(struct fn_zone *fz)
 	struct hlist_head *ht, *old_ht;
 	int old_divisor, new_divisor;
 	u32 new_hashmask;
-		
+
 	old_divisor = fz->fz_divisor;
 
 	switch (old_divisor) {
@@ -911,7 +911,7 @@ static struct fib_alias *fib_get_next(struct seq_file *seq)
 
 		if (!iter->zone)
 			goto out;
-		
+
 		iter->bucket = 0;
 		iter->hash_head = iter->zone->fz_hash;
 
@@ -932,7 +932,7 @@ static struct fib_alias *fib_get_idx(struct seq_file *seq, loff_t pos)
 {
 	struct fib_iter_state *iter = seq->private;
 	struct fib_alias *fa;
-	
+
 	if (iter->valid && pos >= iter->pos && iter->genid == fib_hash_genid) {
 		fa   = iter->fa;
 		pos -= iter->pos;
@@ -981,7 +981,7 @@ static unsigned fib_flag_trans(int type, __be32 mask, struct fib_info *fi)
 	return flags;
 }
 
-/* 
+/*
  *	This outputs /proc/net/route.
  *
  *	It always works in backward compatibility mode.
@@ -1040,7 +1040,7 @@ static int fib_seq_open(struct inode *inode, struct file *file)
 	struct seq_file *seq;
 	int rc = -ENOMEM;
 	struct fib_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-       
+
 	if (!s)
 		goto out;
 

net/ipv4/fib_semantics.c

@@ -85,12 +85,12 @@ for (nhsel=0; nhsel < 1; nhsel++)
 #define endfor_nexthops(fi) }
 
 
-static const struct 
+static const struct
 {
 	int	error;
 	u8	scope;
 } fib_props[RTA_MAX + 1] = {
-        {
+	{
 		.error	= 0,
 		.scope	= RT_SCOPE_NOWHERE,
 	},	/* RTN_UNSPEC */
@@ -439,7 +439,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
 
 	rtnh = cfg->fc_mp;
 	remaining = cfg->fc_mp_len;
-	
+
 	for_nexthops(fi) {
 		int attrlen;
 
@@ -508,9 +508,9 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
    Normally it looks as following.
 
    {universe prefix}  -> (gw, oif) [scope link]
-                          |
+			  |
 			  |-> {link prefix} -> (gw, oif) [scope local]
-			                        |
+						|
 						|-> {local prefix} (terminal node)
  */
 
@@ -864,7 +864,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 	err = -EINVAL;
 
 failure:
-        if (fi) {
+	if (fi) {
 		fi->fib_dead = 1;
 		free_fib_info(fi);
 	}
@@ -1049,7 +1049,7 @@ int fib_sync_down(__be32 local, struct net_device *dev, int force)
 {
 	int ret = 0;
 	int scope = RT_SCOPE_NOWHERE;
-	
+
 	if (force)
 		scope = -1;
 

net/ipv4/fib_trie.c

@@ -7,13 +7,13 @@
  *   Robert Olsson <robert.olsson@its.uu.se> Uppsala Universitet
  *     & Swedish University of Agricultural Sciences.
  *
- *   Jens Laas <jens.laas@data.slu.se> Swedish University of 
+ *   Jens Laas <jens.laas@data.slu.se> Swedish University of
  *     Agricultural Sciences.
- * 
+ *
  *   Hans Liss <hans.liss@its.uu.se>  Uppsala Universitet
  *
  * This work is based on the LPC-trie which is originally descibed in:
- * 
+ *
  * An experimental study of compression methods for dynamic tries
  * Stefan Nilsson and Matti Tikkanen. Algorithmica, 33(1):19-33, 2002.
  * http://www.nada.kth.se/~snilsson/public/papers/dyntrie2/
@@ -224,34 +224,34 @@ static inline int tkey_mismatch(t_key a, int offset, t_key b)
 }
 
 /*
-  To understand this stuff, an understanding of keys and all their bits is 
-  necessary. Every node in the trie has a key associated with it, but not 
+  To understand this stuff, an understanding of keys and all their bits is
+  necessary. Every node in the trie has a key associated with it, but not
   all of the bits in that key are significant.
 
   Consider a node 'n' and its parent 'tp'.
 
-  If n is a leaf, every bit in its key is significant. Its presence is 
-  necessitated by path compression, since during a tree traversal (when 
-  searching for a leaf - unless we are doing an insertion) we will completely 
-  ignore all skipped bits we encounter. Thus we need to verify, at the end of 
-  a potentially successful search, that we have indeed been walking the 
+  If n is a leaf, every bit in its key is significant. Its presence is
+  necessitated by path compression, since during a tree traversal (when
+  searching for a leaf - unless we are doing an insertion) we will completely
+  ignore all skipped bits we encounter. Thus we need to verify, at the end of
+  a potentially successful search, that we have indeed been walking the
   correct key path.
 
-  Note that we can never "miss" the correct key in the tree if present by 
-  following the wrong path. Path compression ensures that segments of the key 
-  that are the same for all keys with a given prefix are skipped, but the 
-  skipped part *is* identical for each node in the subtrie below the skipped 
-  bit! trie_insert() in this implementation takes care of that - note the 
+  Note that we can never "miss" the correct key in the tree if present by
+  following the wrong path. Path compression ensures that segments of the key
+  that are the same for all keys with a given prefix are skipped, but the
+  skipped part *is* identical for each node in the subtrie below the skipped
+  bit! trie_insert() in this implementation takes care of that - note the
   call to tkey_sub_equals() in trie_insert().
 
-  if n is an internal node - a 'tnode' here, the various parts of its key 
+  if n is an internal node - a 'tnode' here, the various parts of its key
   have many different meanings.
 
-  Example:  
+  Example:
   _________________________________________________________________
   | i | i | i | i | i | i | i | N | N | N | S | S | S | S | S | C |
   -----------------------------------------------------------------
-    0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15 
+    0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15
 
   _________________________________________________________________
   | C | C | C | u | u | u | u | u | u | u | u | u | u | u | u | u |
@@ -263,23 +263,23 @@ static inline int tkey_mismatch(t_key a, int offset, t_key b)
   n->pos = 15
   n->bits = 4
 
-  First, let's just ignore the bits that come before the parent tp, that is 
-  the bits from 0 to (tp->pos-1). They are *known* but at this point we do 
+  First, let's just ignore the bits that come before the parent tp, that is
+  the bits from 0 to (tp->pos-1). They are *known* but at this point we do
   not use them for anything.
 
   The bits from (tp->pos) to (tp->pos + tp->bits - 1) - "N", above - are the
-  index into the parent's child array. That is, they will be used to find 
+  index into the parent's child array. That is, they will be used to find
   'n' among tp's children.
 
   The bits from (tp->pos + tp->bits) to (n->pos - 1) - "S" - are skipped bits
   for the node n.
 
-  All the bits we have seen so far are significant to the node n. The rest 
+  All the bits we have seen so far are significant to the node n. The rest
   of the bits are really not needed or indeed known in n->key.
 
-  The bits from (n->pos) to (n->pos + n->bits - 1) - "C" - are the index into 
+  The bits from (n->pos) to (n->pos + n->bits - 1) - "C" - are the index into
   n's child array, and will of course be different for each child.
-  
+
 
   The rest of the bits, from (n->pos + n->bits) onward, are completely unknown
   at this point.
@@ -294,7 +294,7 @@ static inline void check_tnode(const struct tnode *tn)
 static int halve_threshold = 25;
 static int inflate_threshold = 50;
 static int halve_threshold_root = 15;
-static int inflate_threshold_root = 25; 
+static int inflate_threshold_root = 25;
 
 
 static void __alias_free_mem(struct rcu_head *head)
@@ -355,7 +355,7 @@ static inline void tnode_free(struct tnode *tn)
 		struct leaf *l = (struct leaf *) tn;
 		call_rcu_bh(&l->rcu, __leaf_free_rcu);
 	}
-        else
+	else
 		call_rcu(&tn->rcu, __tnode_free_rcu);
 }
 
@@ -461,7 +461,7 @@ static struct node *resize(struct trie *t, struct tnode *tn)
 	int inflate_threshold_use;
 	int halve_threshold_use;
 
- 	if (!tn)
+	if (!tn)
 		return NULL;
 
 	pr_debug("In tnode_resize %p inflate_threshold=%d threshold=%d\n",
@@ -556,7 +556,7 @@ static struct node *resize(struct trie *t, struct tnode *tn)
 
 	if(!tn->parent)
 		inflate_threshold_use = inflate_threshold_root;
-	else 
+	else
 		inflate_threshold_use = inflate_threshold;
 
 	err = 0;
@@ -587,7 +587,7 @@ static struct node *resize(struct trie *t, struct tnode *tn)
 
 	if(!tn->parent)
 		halve_threshold_use = halve_threshold_root;
-	else 
+	else
 		halve_threshold_use = halve_threshold;
 
 	err = 0;
@@ -665,10 +665,10 @@ static struct tnode *inflate(struct trie *t, struct tnode *tn)
 			right = tnode_new(inode->key|m, inode->pos + 1,
 					  inode->bits - 1);
 
-                        if (!right) {
+			if (!right) {
 				tnode_free(left);
 				goto nomem;
-                        }
+			}
 
 			put_child(t, tn, 2*i, (struct node *) left);
 			put_child(t, tn, 2*i+1, (struct node *) right);
@@ -890,23 +890,23 @@ static inline struct list_head * get_fa_head(struct leaf *l, int plen)
 
 static void insert_leaf_info(struct hlist_head *head, struct leaf_info *new)
 {
-        struct leaf_info *li = NULL, *last = NULL;
-        struct hlist_node *node;
+	struct leaf_info *li = NULL, *last = NULL;
+	struct hlist_node *node;
 
-        if (hlist_empty(head)) {
-                hlist_add_head_rcu(&new->hlist, head);
-        } else {
-                hlist_for_each_entry(li, node, head, hlist) {
-                        if (new->plen > li->plen)
-                                break;
+	if (hlist_empty(head)) {
+		hlist_add_head_rcu(&new->hlist, head);
+	} else {
+		hlist_for_each_entry(li, node, head, hlist) {
+			if (new->plen > li->plen)
+				break;
 
-                        last = li;
-                }
-                if (last)
-                        hlist_add_after_rcu(&last->hlist, &new->hlist);
-                else
-                        hlist_add_before_rcu(&new->hlist, &li->hlist);
-        }
+			last = li;
+		}
+		if (last)
+			hlist_add_after_rcu(&last->hlist, &new->hlist);
+		else
+			hlist_add_before_rcu(&new->hlist, &li->hlist);
+	}
 }
 
 /* rcu_read_lock needs to be hold by caller from readside */
@@ -1700,7 +1700,7 @@ static struct leaf *nextleaf(struct trie *t, struct leaf *thisleaf)
 			/* Decend if tnode */
 			while (IS_TNODE(c)) {
 				p = (struct tnode *) c;
-  				idx = 0;
+				idx = 0;
 
 				/* Rightmost non-NULL branch */
 				if (p && IS_TNODE(p))
@@ -2303,9 +2303,9 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v)
 
 		seq_indent(seq, iter->depth-1);
 		seq_printf(seq, "  +-- %d.%d.%d.%d/%d %d %d %d\n",
-			   NIPQUAD(prf), tn->pos, tn->bits, tn->full_children, 
+			   NIPQUAD(prf), tn->pos, tn->bits, tn->full_children,
 			   tn->empty_children);
-		
+
 	} else {
 		struct leaf *l = (struct leaf *) n;
 		int i;

net/ipv4/icmp.c

@@ -304,7 +304,7 @@ static inline int icmpv4_xrlim_allow(struct rtable *rt, int type, int code)
 
 	/* No rate limit on loopback */
 	if (dst->dev && (dst->dev->flags&IFF_LOOPBACK))
- 		goto out;
+		goto out;
 
 	/* Limit if icmp type is enabled in ratemask. */
 	if ((1 << type) & sysctl_icmp_ratemask)
@@ -350,9 +350,9 @@ static void icmp_push_reply(struct icmp_bxm *icmp_param,
 	struct sk_buff *skb;
 
 	if (ip_append_data(icmp_socket->sk, icmp_glue_bits, icmp_param,
-		           icmp_param->data_len+icmp_param->head_len,
-		           icmp_param->head_len,
-		           ipc, rt, MSG_DONTWAIT) < 0)
+			   icmp_param->data_len+icmp_param->head_len,
+			   icmp_param->head_len,
+			   ipc, rt, MSG_DONTWAIT) < 0)
 		ip_flush_pending_frames(icmp_socket->sk);
 	else if ((skb = skb_peek(&icmp_socket->sk->sk_write_queue)) != NULL) {
 		struct icmphdr *icmph = skb->h.icmph;
@@ -755,7 +755,7 @@ static void icmp_redirect(struct sk_buff *skb)
 			       skb->h.icmph->un.gateway,
 			       iph->saddr, skb->dev);
 		break;
-  	}
+	}
 out:
 	return;
 out_err:
@@ -959,7 +959,7 @@ int icmp_rcv(struct sk_buff *skb)
 	 *	Parse the ICMP message
 	 */
 
- 	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {
+	if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {
 		/*
 		 *	RFC 1122: 3.2.2.6 An ICMP_ECHO to broadcast MAY be
 		 *	  silently ignored (we let user decide with a sysctl).
@@ -976,7 +976,7 @@ int icmp_rcv(struct sk_buff *skb)
 		    icmph->type != ICMP_ADDRESS &&
 		    icmph->type != ICMP_ADDRESSREPLY) {
 			goto error;
-  		}
+		}
 	}
 
 	ICMP_INC_STATS_BH(icmp_pointers[icmph->type].input_entry);
@@ -1085,7 +1085,7 @@ static const struct icmp_control icmp_pointers[NR_ICMP_TYPES + 1] = {
 		.input_entry = ICMP_MIB_DUMMY,
 		.handler = icmp_discard,
 	},
- 	[ICMP_INFO_REPLY] = {
+	[ICMP_INFO_REPLY] = {
 		.output_entry = ICMP_MIB_DUMMY,
 		.input_entry = ICMP_MIB_DUMMY,
 		.handler = icmp_discard,

net/ipv4/igmp.c

@@ -35,7 +35,7 @@
  *
  *		Chih-Jen Chang	:	Tried to revise IGMP to Version 2
  *		Tsu-Sheng Tsao		E-mail: chihjenc@scf.usc.edu and tsusheng@scf.usc.edu
- *					The enhancements are mainly based on Steve Deering's 
+ *					The enhancements are mainly based on Steve Deering's
  * 					ipmulti-3.5 source code.
  *		Chih-Jen Chang	:	Added the igmp_get_mrouter_info and
  *		Tsu-Sheng Tsao		igmp_set_mrouter_info to keep track of
@@ -49,11 +49,11 @@
  *		Alan Cox	:	Stop IGMP from 0.0.0.0 being accepted.
  *		Alan Cox	:	Use GFP_ATOMIC in the right places.
  *		Christian Daudt :	igmp timer wasn't set for local group
- *					memberships but was being deleted, 
- *					which caused a "del_timer() called 
+ *					memberships but was being deleted,
+ *					which caused a "del_timer() called
  *					from %p with timer not initialized\n"
  *					message (960131).
- *		Christian Daudt :	removed del_timer from 
+ *		Christian Daudt :	removed del_timer from
  *					igmp_timer_expire function (960205).
  *             Christian Daudt :       igmp_heard_report now only calls
  *                                     igmp_timer_expire if tm->running is
@@ -718,7 +718,7 @@ static void igmp_ifc_event(struct in_device *in_dev)
 {
 	if (IGMP_V1_SEEN(in_dev) || IGMP_V2_SEEN(in_dev))
 		return;
-	in_dev->mr_ifc_count = in_dev->mr_qrv ? in_dev->mr_qrv : 
+	in_dev->mr_ifc_count = in_dev->mr_qrv ? in_dev->mr_qrv :
 		IGMP_Unsolicited_Report_Count;
 	igmp_ifc_start_timer(in_dev, 1);
 }
@@ -838,7 +838,7 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
 	if (len == 8) {
 		if (ih->code == 0) {
 			/* Alas, old v1 router presents here. */
-	
+
 			max_delay = IGMP_Query_Response_Interval;
 			in_dev->mr_v1_seen = jiffies +
 				IGMP_V1_Router_Present_Timeout;
@@ -860,10 +860,10 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
 	} else { /* v3 */
 		if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
 			return;
-		
+
 		ih3 = (struct igmpv3_query *) skb->h.raw;
 		if (ih3->nsrcs) {
-			if (!pskb_may_pull(skb, sizeof(struct igmpv3_query) 
+			if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)
 					   + ntohs(ih3->nsrcs)*sizeof(__be32)))
 				return;
 			ih3 = (struct igmpv3_query *) skb->h.raw;
@@ -909,7 +909,7 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
 		else
 			im->gsquery = mark;
 		changed = !im->gsquery ||
-		    	igmp_marksources(im, ntohs(ih3->nsrcs), ih3->srcs);
+			igmp_marksources(im, ntohs(ih3->nsrcs), ih3->srcs);
 		spin_unlock_bh(&im->lock);
 		if (changed)
 			igmp_mod_timer(im, max_delay);
@@ -1257,9 +1257,9 @@ void ip_mc_inc_group(struct in_device *in_dev, __be32 addr)
 void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
 {
 	struct ip_mc_list *i, **ip;
-	
+
 	ASSERT_RTNL();
-	
+
 	for (ip=&in_dev->mc_list; (i=*ip)!=NULL; ip=&i->next) {
 		if (i->multiaddr==addr) {
 			if (--i->users == 0) {
@@ -1436,7 +1436,7 @@ static int ip_mc_del1_src(struct ip_mc_list *pmc, int sfmode,
 #ifdef CONFIG_IP_MULTICAST
 		if (psf->sf_oldin &&
 		    !IGMP_V1_SEEN(in_dev) && !IGMP_V2_SEEN(in_dev)) {
-			psf->sf_crcount = in_dev->mr_qrv ? in_dev->mr_qrv : 
+			psf->sf_crcount = in_dev->mr_qrv ? in_dev->mr_qrv :
 				IGMP_Unsolicited_Report_Count;
 			psf->sf_next = pmc->tomb;
 			pmc->tomb = psf;
@@ -1500,7 +1500,7 @@ static int ip_mc_del_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
 		/* filter mode change */
 		pmc->sfmode = MCAST_INCLUDE;
 #ifdef CONFIG_IP_MULTICAST
-		pmc->crcount = in_dev->mr_qrv ? in_dev->mr_qrv : 
+		pmc->crcount = in_dev->mr_qrv ? in_dev->mr_qrv :
 			IGMP_Unsolicited_Report_Count;
 		in_dev->mr_ifc_count = pmc->crcount;
 		for (psf=pmc->sources; psf; psf = psf->sf_next)
@@ -1679,7 +1679,7 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
 #ifdef CONFIG_IP_MULTICAST
 		/* else no filters; keep old mode for reports */
 
-		pmc->crcount = in_dev->mr_qrv ? in_dev->mr_qrv : 
+		pmc->crcount = in_dev->mr_qrv ? in_dev->mr_qrv :
 			IGMP_Unsolicited_Report_Count;
 		in_dev->mr_ifc_count = pmc->crcount;
 		for (psf=pmc->sources; psf; psf = psf->sf_next)
@@ -1873,7 +1873,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
 	} else if (pmc->sfmode != omode) {
 		/* allow mode switches for empty-set filters */
 		ip_mc_add_src(in_dev, &mreqs->imr_multiaddr, omode, 0, NULL, 0);
-		ip_mc_del_src(in_dev, &mreqs->imr_multiaddr, pmc->sfmode, 0, 
+		ip_mc_del_src(in_dev, &mreqs->imr_multiaddr, pmc->sfmode, 0,
 			NULL, 0);
 		pmc->sfmode = omode;
 	}
@@ -1899,7 +1899,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
 		}
 
 		/* update the interface filter */
-		ip_mc_del_src(in_dev, &mreqs->imr_multiaddr, omode, 1, 
+		ip_mc_del_src(in_dev, &mreqs->imr_multiaddr, omode, 1,
 			&mreqs->imr_sourceaddr, 1);
 
 		for (j=i+1; j<psl->sl_count; j++)
@@ -1949,7 +1949,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
 	psl->sl_count++;
 	err = 0;
 	/* update the interface list */
-	ip_mc_add_src(in_dev, &mreqs->imr_multiaddr, omode, 1, 
+	ip_mc_add_src(in_dev, &mreqs->imr_multiaddr, omode, 1,
 		&mreqs->imr_sourceaddr, 1);
 done:
 	rtnl_unlock();
@@ -2264,7 +2264,7 @@ static inline struct ip_mc_list *igmp_mc_get_first(struct seq_file *seq)
 	struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
 
 	for (state->dev = dev_base, state->in_dev = NULL;
-	     state->dev; 
+	     state->dev;
 	     state->dev = state->dev->next) {
 		struct in_device *in_dev;
 		in_dev = in_dev_get(state->dev);
@@ -2346,7 +2346,7 @@ static void igmp_mc_seq_stop(struct seq_file *seq, void *v)
 static int igmp_mc_seq_show(struct seq_file *seq, void *v)
 {
 	if (v == SEQ_START_TOKEN)
-		seq_puts(seq, 
+		seq_puts(seq,
 			 "Idx\tDevice    : Count Querier\tGroup    Users Timer\tReporter\n");
 	else {
 		struct ip_mc_list *im = (struct ip_mc_list *)v;
@@ -2426,7 +2426,7 @@ static inline struct ip_sf_list *igmp_mcf_get_first(struct seq_file *seq)
 	struct igmp_mcf_iter_state *state = igmp_mcf_seq_private(seq);
 
 	for (state->dev = dev_base, state->idev = NULL, state->im = NULL;
-	     state->dev; 
+	     state->dev;
 	     state->dev = state->dev->next) {
 		struct in_device *idev;
 		idev = in_dev_get(state->dev);
@@ -2531,7 +2531,7 @@ static int igmp_mcf_seq_show(struct seq_file *seq, void *v)
 	struct igmp_mcf_iter_state *state = igmp_mcf_seq_private(seq);
 
 	if (v == SEQ_START_TOKEN) {
-		seq_printf(seq, 
+		seq_printf(seq,
 			   "%3s %6s "
 			   "%10s %10s %6s %6s\n", "Idx",
 			   "Device", "MCA",
@@ -2539,8 +2539,8 @@ static int igmp_mcf_seq_show(struct seq_file *seq, void *v)
 	} else {
 		seq_printf(seq,
 			   "%3d %6.6s 0x%08x "
-			   "0x%08x %6lu %6lu\n", 
-			   state->dev->ifindex, state->dev->name, 
+			   "0x%08x %6lu %6lu\n",
+			   state->dev->ifindex, state->dev->name,
 			   ntohl(state->im->multiaddr),
 			   ntohl(psf->sf_inaddr),
 			   psf->sf_count[MCAST_INCLUDE],

net/ipv4/inet_connection_sock.c

@@ -149,7 +149,7 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo,
 	if (!inet_csk(sk)->icsk_bind_hash)
 		inet_bind_hash(sk, tb, snum);
 	BUG_TRAP(inet_csk(sk)->icsk_bind_hash == tb);
- 	ret = 0;
+	ret = 0;
 
 fail_unlock:
 	spin_unlock(&head->lock);
@@ -255,7 +255,7 @@ EXPORT_SYMBOL(inet_csk_accept);
 
 /*
  * Using different timers for retransmit, delayed acks and probes
- * We may wish use just one timer maintaining a list of expire jiffies 
+ * We may wish use just one timer maintaining a list of expire jiffies
  * to optimize.
  */
 void inet_csk_init_xmit_timers(struct sock *sk,
@@ -273,7 +273,7 @@ void inet_csk_init_xmit_timers(struct sock *sk,
 	icsk->icsk_delack_timer.function     = delack_handler;
 	sk->sk_timer.function		     = keepalive_handler;
 
-	icsk->icsk_retransmit_timer.data = 
+	icsk->icsk_retransmit_timer.data =
 		icsk->icsk_delack_timer.data =
 			sk->sk_timer.data  = (unsigned long)sk;
 

net/ipv4/inet_diag.c

@@ -381,7 +381,7 @@ static int inet_diag_bc_run(const void *bc, int len,
 				if (addr[0] == 0 && addr[1] == 0 &&
 				    addr[2] == htonl(0xffff) &&
 				    bitstring_match(addr + 3, cond->addr,
-					    	    cond->prefix_len))
+						    cond->prefix_len))
 					break;
 			}
 			yes = 0;
@@ -518,7 +518,7 @@ static int inet_twsk_diag_dump(struct inet_timewait_sock *tw,
 		}
 		entry.sport = tw->tw_num;
 		entry.dport = ntohs(tw->tw_dport);
-		entry.userlocks = 0; 
+		entry.userlocks = 0;
 
 		if (!inet_diag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry))
 			return 0;

net/ipv4/inet_hashtables.c

@@ -262,7 +262,7 @@ static int __inet_check_established(struct inet_timewait_death_row *death_row,
 static inline u32 inet_sk_port_offset(const struct sock *sk)
 {
 	const struct inet_sock *inet = inet_sk(sk);
-	return secure_ipv4_port_ephemeral(inet->rcv_saddr, inet->daddr, 
+	return secure_ipv4_port_ephemeral(inet->rcv_saddr, inet->daddr,
 					  inet->dport);
 }
 
@@ -274,81 +274,81 @@ int inet_hash_connect(struct inet_timewait_death_row *death_row,
 {
 	struct inet_hashinfo *hinfo = death_row->hashinfo;
 	const unsigned short snum = inet_sk(sk)->num;
- 	struct inet_bind_hashbucket *head;
- 	struct inet_bind_bucket *tb;
+	struct inet_bind_hashbucket *head;
+	struct inet_bind_bucket *tb;
 	int ret;
 
- 	if (!snum) {
- 		int low = sysctl_local_port_range[0];
- 		int high = sysctl_local_port_range[1];
+	if (!snum) {
+		int low = sysctl_local_port_range[0];
+		int high = sysctl_local_port_range[1];
 		int range = high - low;
- 		int i;
+		int i;
 		int port;
 		static u32 hint;
 		u32 offset = hint + inet_sk_port_offset(sk);
 		struct hlist_node *node;
- 		struct inet_timewait_sock *tw = NULL;
+		struct inet_timewait_sock *tw = NULL;
 
- 		local_bh_disable();
+		local_bh_disable();
 		for (i = 1; i <= range; i++) {
 			port = low + (i + offset) % range;
- 			head = &hinfo->bhash[inet_bhashfn(port, hinfo->bhash_size)];
- 			spin_lock(&head->lock);
+			head = &hinfo->bhash[inet_bhashfn(port, hinfo->bhash_size)];
+			spin_lock(&head->lock);
 
- 			/* Does not bother with rcv_saddr checks,
- 			 * because the established check is already
- 			 * unique enough.
- 			 */
+			/* Does not bother with rcv_saddr checks,
+			 * because the established check is already
+			 * unique enough.
+			 */
 			inet_bind_bucket_for_each(tb, node, &head->chain) {
- 				if (tb->port == port) {
- 					BUG_TRAP(!hlist_empty(&tb->owners));
- 					if (tb->fastreuse >= 0)
- 						goto next_port;
- 					if (!__inet_check_established(death_row,
+				if (tb->port == port) {
+					BUG_TRAP(!hlist_empty(&tb->owners));
+					if (tb->fastreuse >= 0)
+						goto next_port;
+					if (!__inet_check_established(death_row,
 								      sk, port,
 								      &tw))
- 						goto ok;
- 					goto next_port;
- 				}
- 			}
-
- 			tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep, head, port);
- 			if (!tb) {
- 				spin_unlock(&head->lock);
- 				break;
- 			}
- 			tb->fastreuse = -1;
- 			goto ok;
-
- 		next_port:
- 			spin_unlock(&head->lock);
- 		}
- 		local_bh_enable();
-
- 		return -EADDRNOTAVAIL;
+						goto ok;
+					goto next_port;
+				}
+			}
+
+			tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep, head, port);
+			if (!tb) {
+				spin_unlock(&head->lock);
+				break;
+			}
+			tb->fastreuse = -1;
+			goto ok;
+
+		next_port:
+			spin_unlock(&head->lock);
+		}
+		local_bh_enable();
+
+		return -EADDRNOTAVAIL;
 
 ok:
 		hint += i;
 
- 		/* Head lock still held and bh's disabled */
- 		inet_bind_hash(sk, tb, port);
+		/* Head lock still held and bh's disabled */
+		inet_bind_hash(sk, tb, port);
 		if (sk_unhashed(sk)) {
- 			inet_sk(sk)->sport = htons(port);
- 			__inet_hash(hinfo, sk, 0);
- 		}
- 		spin_unlock(&head->lock);
+			inet_sk(sk)->sport = htons(port);
+			__inet_hash(hinfo, sk, 0);
+		}
+		spin_unlock(&head->lock);
 
- 		if (tw) {
- 			inet_twsk_deschedule(tw, death_row);
- 			inet_twsk_put(tw);
- 		}
+		if (tw) {
+			inet_twsk_deschedule(tw, death_row);
+			inet_twsk_put(tw);
+		}
 
 		ret = 0;
 		goto out;
- 	}
+	}
 
- 	head = &hinfo->bhash[inet_bhashfn(snum, hinfo->bhash_size)];
- 	tb  = inet_csk(sk)->icsk_bind_hash;
+	head = &hinfo->bhash[inet_bhashfn(snum, hinfo->bhash_size)];
+	tb  = inet_csk(sk)->icsk_bind_hash;
 	spin_lock_bh(&head->lock);
 	if (sk_head(&tb->owners) == sk && !sk->sk_bind_node.next) {
 		__inet_hash(hinfo, sk, 0);

net/ipv4/ip_forward.c

@@ -4,15 +4,15 @@
  *		interface as the means of communication with the user level.
  *
  *		The IP forwarding functionality.
- *		
+ *
  * Version:	$Id: ip_forward.c,v 1.48 2000/12/13 18:31:48 davem Exp $
  *
  * Authors:	see ip.c
  *
  * Fixes:
- *		Many		:	Split from ip.c , see ip_input.c for 
+ *		Many		:	Split from ip.c , see ip_input.c for
  *					history.
- *		Dave Gregorich	:	NULL ip_rt_put fix for multicast 
+ *		Dave Gregorich	:	NULL ip_rt_put fix for multicast
  *					routing.
  *		Jos Vos		:	Add call_out_firewall before sending,
  *					use output device for accounting.
@@ -69,14 +69,14 @@ int ip_forward(struct sk_buff *skb)
 		goto drop;
 
 	skb->ip_summed = CHECKSUM_NONE;
-	
+
 	/*
 	 *	According to the RFC, we must first decrease the TTL field. If
 	 *	that reaches zero, we must reply an ICMP control message telling
 	 *	that the packet's lifetime expired.
 	 */
 	if (skb->nh.iph->ttl <= 1)
-                goto too_many_hops;
+		goto too_many_hops;
 
 	if (!xfrm4_route_forward(skb))
 		goto drop;
@@ -107,16 +107,16 @@ int ip_forward(struct sk_buff *skb)
 		       ip_forward_finish);
 
 sr_failed:
-        /*
+	/*
 	 *	Strict routing permits no gatewaying
 	 */
-         icmp_send(skb, ICMP_DEST_UNREACH, ICMP_SR_FAILED, 0);
-         goto drop;
+	 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_SR_FAILED, 0);
+	 goto drop;
 
 too_many_hops:
-        /* Tell the sender its packet died... */
-        IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
-        icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0);
+	/* Tell the sender its packet died... */
+	IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
+	icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0);
 drop:
 	kfree_skb(skb);
 	return NET_RX_DROP;

net/ipv4/ip_fragment.c

@@ -4,7 +4,7 @@
  *		interface as the means of communication with the user level.
  *
  *		The IP fragmentation functionality.
- *		
+ *
  * Version:	$Id: ip_fragment.c,v 1.59 2002/01/12 07:54:56 davem Exp $
  *
  * Authors:	Fred N. van Kempen <waltje@uWalt.NL.Mugnet.ORG>
@@ -238,7 +238,7 @@ static void ipq_kill(struct ipq *ipq)
 	}
 }
 
-/* Memory limiting on fragments.  Evictor trashes the oldest 
+/* Memory limiting on fragments.  Evictor trashes the oldest
  * fragment queue until we are back under the threshold.
  */
 static void ip_evictor(void)
@@ -479,14 +479,14 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 		goto err;
 	}
 
- 	offset = ntohs(skb->nh.iph->frag_off);
+	offset = ntohs(skb->nh.iph->frag_off);
 	flags = offset & ~IP_OFFSET;
 	offset &= IP_OFFSET;
 	offset <<= 3;		/* offset is in 8-byte chunks */
- 	ihl = skb->nh.iph->ihl * 4;
+	ihl = skb->nh.iph->ihl * 4;
 
 	/* Determine the position of this fragment. */
- 	end = offset + skb->len - ihl;
+	end = offset + skb->len - ihl;
 
 	/* Is this the final fragment? */
 	if ((flags & IP_MF) == 0) {
@@ -589,8 +589,8 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 	else
 		qp->fragments = skb;
 
- 	if (skb->dev)
- 		qp->iif = skb->dev->ifindex;
+	if (skb->dev)
+		qp->iif = skb->dev->ifindex;
 	skb->dev = NULL;
 	skb_get_timestamp(skb, &qp->stamp);
 	qp->meat += skb->len;
@@ -684,7 +684,7 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev)
 	return head;
 
 out_nomem:
- 	LIMIT_NETDEBUG(KERN_ERR "IP: queue_glue: no memory for gluing "
+	LIMIT_NETDEBUG(KERN_ERR "IP: queue_glue: no memory for gluing "
 			      "queue %p\n", qp);
 	goto out_fail;
 out_oversize:
@@ -703,7 +703,7 @@ struct sk_buff *ip_defrag(struct sk_buff *skb, u32 user)
 	struct iphdr *iph = skb->nh.iph;
 	struct ipq *qp;
 	struct net_device *dev;
-	
+
 	IP_INC_STATS_BH(IPSTATS_MIB_REASMREQDS);
 
 	/* Start by cleaning up the memory. */

net/ipv4/ip_gre.c

 /*
- *	Linux NET3:	GRE over IP protocol decoder. 
+ *	Linux NET3:	GRE over IP protocol decoder.
  *
  *	Authors: Alexey Kuznetsov (kuznet@ms2.inr.ac.ru)
  *
@@ -63,7 +63,7 @@
    solution, but it supposes maintaing new variable in ALL
    skb, even if no tunneling is used.
 
-   Current solution: t->recursion lock breaks dead loops. It looks 
+   Current solution: t->recursion lock breaks dead loops. It looks
    like dev->tbusy flag, but I preferred new variable, because
    the semantics is different. One day, when hard_start_xmit
    will be multithreaded we will have to use skb->encapsulation.
@@ -613,7 +613,7 @@ static int ipgre_rcv(struct sk_buff *skb)
 		if (flags == 0 &&
 		    skb->protocol == htons(ETH_P_WCCP)) {
 			skb->protocol = htons(ETH_P_IP);
-			if ((*(h + offset) & 0xF0) != 0x40) 
+			if ((*(h + offset) & 0xF0) != 0x40)
 				offset += 4;
 		}
 
@@ -816,7 +816,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-  			stats->tx_dropped++;
+			stats->tx_dropped++;
 			dev_kfree_skb(skb);
 			tunnel->recursion--;
 			return 0;
@@ -1044,7 +1044,7 @@ static int ipgre_tunnel_change_mtu(struct net_device *dev, int new_mtu)
    so that I had to set ARPHRD_IPGRE to a random value.
    I have an impression, that Cisco could make something similar,
    but this feature is apparently missing in IOS<=11.2(8).
-   
+
    I set up 10.66.66/24 and fec0:6666:6666::0/96 as virtual networks
    with broadcast 224.66.66.66. If you have access to mbone, play with me :-)
 
@@ -1076,9 +1076,9 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev, unsigned sh
 	p[1]		= htons(type);
 
 	/*
-	 *	Set the source hardware address. 
+	 *	Set the source hardware address.
 	 */
-	 
+
 	if (saddr)
 		memcpy(&iph->saddr, saddr, 4);
 
@@ -1088,7 +1088,7 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev, unsigned sh
 	}
 	if (iph->daddr && !MULTICAST(iph->daddr))
 		return t->hlen;
-	
+
 	return -t->hlen;
 }
 

net/ipv4/ip_input.c

@@ -15,7 +15,7 @@
  *		Stefan Becker, <stefanb@yello.ping.de>
  *		Jorge Cwik, <jorge@laser.satlink.net>
  *		Arnt Gulbrandsen, <agulbra@nvg.unit.no>
- *		
+ *
  *
  * Fixes:
  *		Alan Cox	:	Commented a couple of minor bits of surplus code
@@ -98,13 +98,13 @@
  *		Jos Vos		:	Do accounting *before* call_in_firewall
  *	Willy Konynenberg	:	Transparent proxying support
  *
- *  
+ *
  *
  * To Fix:
  *		IP fragmentation wants rewriting cleanly. The RFC815 algorithm is much more efficient
  *		and could be made very efficient with the addition of some virtual memory hacks to permit
  *		the allocation of a buffer that can then be 'grown' by twiddling page tables.
- *		Output fragmentation wants updating along with the buffer management to use a single 
+ *		Output fragmentation wants updating along with the buffer management to use a single
  *		interleaved copy algorithm so that fragmenting has a one copy overhead. Actual packet
  *		output should probably do its own fragmentation at the UDP/RAW layer. TCP shouldn't cause
  *		fragmentation anyway.
@@ -154,7 +154,7 @@ DEFINE_SNMP_STAT(struct ipstats_mib, ip_statistics) __read_mostly;
 
 /*
  *	Process Router Attention IP option
- */ 
+ */
 int ip_call_ra_chain(struct sk_buff *skb)
 {
 	struct ip_ra_chain *ra;
@@ -202,8 +202,8 @@ static inline int ip_local_deliver_finish(struct sk_buff *skb)
 
 	__skb_pull(skb, ihl);
 
-        /* Point into the IP datagram, just past the header. */
-        skb->h.raw = skb->data;
+	/* Point into the IP datagram, just past the header. */
+	skb->h.raw = skb->data;
 
 	rcu_read_lock();
 	{
@@ -259,7 +259,7 @@ static inline int ip_local_deliver_finish(struct sk_buff *skb)
 
 /*
  * 	Deliver IP Packets to the higher protocol layers.
- */ 
+ */
 int ip_local_deliver(struct sk_buff *skb)
 {
 	/*
@@ -335,14 +335,14 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
 	/*
 	 *	Initialise the virtual path cache for the packet. It describes
 	 *	how the packet travels inside Linux networking.
-	 */ 
+	 */
 	if (skb->dst == NULL) {
 		int err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
 					 skb->dev);
 		if (unlikely(err)) {
 			if (err == -EHOSTUNREACH)
 				IP_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS);
-			goto drop; 
+			goto drop;
 		}
 	}
 
@@ -363,13 +363,13 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
 	return dst_input(skb);
 
 drop:
-        kfree_skb(skb);
-        return NET_RX_DROP;
+	kfree_skb(skb);
+	return NET_RX_DROP;
 }
 
 /*
  * 	Main IP Receive routine.
- */ 
+ */
 int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
 {
 	struct iphdr *iph;
@@ -437,9 +437,9 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
 inhdr_error:
 	IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
 drop:
-        kfree_skb(skb);
+	kfree_skb(skb);
 out:
-        return NET_RX_DROP;
+	return NET_RX_DROP;
 }
 
 EXPORT_SYMBOL(ip_statistics);

net/ipv4/ip_options.c

@@ -8,7 +8,7 @@
  * Version:	$Id: ip_options.c,v 1.21 2001/09/01 00:31:50 davem Exp $
  *
  * Authors:	A.N.Kuznetsov
- *		
+ *
  */
 
 #include <linux/capability.h>
@@ -26,7 +26,7 @@
 #include <net/route.h>
 #include <net/cipso_ipv4.h>
 
-/* 
+/*
  * Write options to IP header, record destination address to
  * source route option, address of outgoing interface
  * (we should already know it, so that this  function is allowed be
@@ -76,7 +76,7 @@ void ip_options_build(struct sk_buff * skb, struct ip_options * opt,
 	}
 }
 
-/* 
+/*
  * Provided (sopt, skb) points to received options,
  * build in dopt compiled option set appropriate for answering.
  * i.e. invert SRR option, copy anothers,
@@ -85,7 +85,7 @@ void ip_options_build(struct sk_buff * skb, struct ip_options * opt,
  * NOTE: dopt cannot point to skb.
  */
 
-int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb) 
+int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 {
 	struct ip_options *sopt;
 	unsigned char *sptr, *dptr;
@@ -215,7 +215,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
  *	Simple and stupid 8), but the most efficient way.
  */
 
-void ip_options_fragment(struct sk_buff * skb) 
+void ip_options_fragment(struct sk_buff * skb)
 {
 	unsigned char * optptr = skb->nh.raw + sizeof(struct iphdr);
 	struct ip_options * opt = &(IPCB(skb)->opt);
@@ -370,7 +370,7 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 				switch (optptr[3]&0xF) {
 				      case IPOPT_TS_TSONLY:
 					opt->ts = optptr - iph;
-					if (skb) 
+					if (skb)
 						timeptr = (__be32*)&optptr[optptr[2]-1];
 					opt->ts_needtime = 1;
 					optptr[2] += 4;
@@ -448,7 +448,7 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 				goto error;
 			}
 			opt->cipso = optptr - iph;
-		        if (cipso_v4_validate(&optptr)) {
+			if (cipso_v4_validate(&optptr)) {
 				pp_ptr = optptr;
 				goto error;
 			}

net/ipv4/ip_output.c

@@ -22,7 +22,7 @@
  *	Fixes:
  *		Alan Cox	:	Missing nonblock feature in ip_build_xmit.
  *		Mike Kilburn	:	htons() missing in ip_build_xmit.
- *		Bradford Johnson:	Fix faulty handling of some frames when 
+ *		Bradford Johnson:	Fix faulty handling of some frames when
  *					no route is found.
  *		Alexander Demenshin:	Missing sk/skb free in ip_queue_xmit
  *					(in case if packet not accepted by
@@ -33,9 +33,9 @@
  *					some redundant tests.
  *	Vitaly E. Lavrov	:	Transparent proxy revived after year coma.
  *		Andi Kleen	: 	Replace ip_reply with ip_send_reply.
- *		Andi Kleen	:	Split fast and slow ip_build_xmit path 
- *					for decreased register pressure on x86 
- *					and more readibility. 
+ *		Andi Kleen	:	Split fast and slow ip_build_xmit path
+ *					for decreased register pressure on x86
+ *					and more readibility.
  *		Marc Boucher	:	When call_out_firewall returns FW_QUEUE,
  *					silently drop skb instead of failing with -EPERM.
  *		Detlev Wengorz	:	Copy protocol for fragments.
@@ -114,7 +114,7 @@ static inline int ip_select_ttl(struct inet_sock *inet, struct dst_entry *dst)
 	return ttl;
 }
 
-/* 
+/*
  *		Add an ip header to a skbuff and send it out.
  *
  */
@@ -243,7 +243,7 @@ int ip_mc_output(struct sk_buff *skb)
 			struct sk_buff *newskb = skb_clone(skb, GFP_ATOMIC);
 			if (newskb)
 				NF_HOOK(PF_INET, NF_IP_POST_ROUTING, newskb, NULL,
-					newskb->dev, 
+					newskb->dev,
 					ip_dev_loopback_xmit);
 		}
 
@@ -277,7 +277,7 @@ int ip_output(struct sk_buff *skb)
 	skb->protocol = htons(ETH_P_IP);
 
 	return NF_HOOK_COND(PF_INET, NF_IP_POST_ROUTING, skb, NULL, dev,
-		            ip_finish_output,
+			    ip_finish_output,
 			    !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
 
@@ -660,7 +660,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
 	return err;
 
 fail:
-	kfree_skb(skb); 
+	kfree_skb(skb);
 	IP_INC_STATS(IPSTATS_MIB_FRAGFAILS);
 	return err;
 }
@@ -755,7 +755,7 @@ static inline int ip_ufo_append_data(struct sock *sk,
  *	from many pieces of data. Each pieces will be holded on the socket
  *	until ip_push_pending_frames() is called. Each piece can be a page
  *	or non-page data.
- *	
+ *
  *	Not only UDP, other transport protocols - e.g. raw sockets - can use
  *	this interface potentially.
  *
@@ -888,7 +888,7 @@ int ip_append_data(struct sock *sk,
 				datalen = maxfraglen - fragheaderlen;
 			fraglen = datalen + fragheaderlen;
 
-			if ((flags & MSG_MORE) && 
+			if ((flags & MSG_MORE) &&
 			    !(rt->u.dst.dev->features&NETIF_F_SG))
 				alloclen = mtu;
 			else
@@ -903,14 +903,14 @@ int ip_append_data(struct sock *sk,
 				alloclen += rt->u.dst.trailer_len;
 
 			if (transhdrlen) {
-				skb = sock_alloc_send_skb(sk, 
+				skb = sock_alloc_send_skb(sk,
 						alloclen + hh_len + 15,
 						(flags & MSG_DONTWAIT), &err);
 			} else {
 				skb = NULL;
 				if (atomic_read(&sk->sk_wmem_alloc) <=
 				    2 * sk->sk_sndbuf)
-					skb = sock_wmalloc(sk, 
+					skb = sock_wmalloc(sk,
 							   alloclen + hh_len + 15, 1,
 							   sk->sk_allocation);
 				if (unlikely(skb == NULL))
@@ -971,7 +971,7 @@ int ip_append_data(struct sock *sk,
 			unsigned int off;
 
 			off = skb->len;
-			if (getfrag(from, skb_put(skb, copy), 
+			if (getfrag(from, skb_put(skb, copy),
 					offset, copy, off, skb) < 0) {
 				__skb_trim(skb, off);
 				err = -EFAULT;
@@ -993,7 +993,7 @@ int ip_append_data(struct sock *sk,
 						goto error;
 					}
 					get_page(page);
-	 				skb_fill_page_desc(skb, i, page, sk->sk_sndmsg_off, 0);
+					skb_fill_page_desc(skb, i, page, sk->sk_sndmsg_off, 0);
 					frag = &skb_shinfo(skb)->frags[i];
 				}
 			} else if (i < MAX_SKB_FRAGS) {
@@ -1033,7 +1033,7 @@ int ip_append_data(struct sock *sk,
 error:
 	inet->cork.length -= length;
 	IP_INC_STATS(IPSTATS_MIB_OUTDISCARDS);
-	return err; 
+	return err;
 }
 
 ssize_t	ip_append_page(struct sock *sk, struct page *page,
@@ -1257,7 +1257,7 @@ int ip_push_pending_frames(struct sock *sk)
 	skb->dst = dst_clone(&rt->u.dst);
 
 	/* Netfilter gets whole the not fragmented skb. */
-	err = NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, 
+	err = NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL,
 		      skb->dst->dev, dst_output);
 	if (err) {
 		if (err > 0)
@@ -1305,21 +1305,21 @@ void ip_flush_pending_frames(struct sock *sk)
 /*
  *	Fetch data from kernel space and fill in checksum if needed.
  */
-static int ip_reply_glue_bits(void *dptr, char *to, int offset, 
+static int ip_reply_glue_bits(void *dptr, char *to, int offset,
 			      int len, int odd, struct sk_buff *skb)
 {
 	__wsum csum;
 
 	csum = csum_partial_copy_nocheck(dptr+offset, to, len, 0);
 	skb->csum = csum_block_add(skb->csum, csum, odd);
-	return 0;  
+	return 0;
 }
 
-/* 
+/*
  *	Generic function to send a packet as reply to another packet.
  *	Used to send TCP resets so far. ICMP should use this function too.
  *
- *	Should run single threaded per socket because it uses the sock 
+ *	Should run single threaded per socket because it uses the sock
  *     	structure to pass arguments.
  *
  *	LATER: switch from ip_build_xmit to ip_append_*
@@ -1357,7 +1357,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
 				    /* Not quite clean, but right. */
 				    .uli_u = { .ports =
 					       { .sport = skb->h.th->dest,
-					         .dport = skb->h.th->source } },
+						 .dport = skb->h.th->source } },
 				    .proto = sk->sk_protocol };
 		security_skb_classify_flow(skb, &fl);
 		if (ip_route_output_key(&rt, &fl))

net/ipv4/ip_sockglue.c

@@ -4,7 +4,7 @@
  *		interface as the means of communication with the user level.
  *
  *		The IP to API glue.
- *		
+ *
  * Version:	$Id: ip_sockglue.c,v 1.62 2002/02/01 22:01:04 davem Exp $
  *
  * Authors:	see ip.c
@@ -12,7 +12,7 @@
  * Fixes:
  *		Many		:	Split from ip.c , see ip.c for history.
  *		Martin Mares	:	TOS setting fixed.
- *		Alan Cox	:	Fixed a couple of oopses in Martin's 
+ *		Alan Cox	:	Fixed a couple of oopses in Martin's
  *					TOS tweaks.
  *		Mike McLagan	:	Routing by source
  */
@@ -253,7 +253,7 @@ int ip_ra_control(struct sock *sk, unsigned char on, void (*destructor)(struct s
 	return 0;
 }
 
-void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err, 
+void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
 		   __be16 port, u32 info, u8 *payload)
 {
 	struct inet_sock *inet = inet_sk(sk);
@@ -266,10 +266,10 @@ void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
 	if (!skb)
 		return;
 
-	serr = SKB_EXT_ERR(skb);  
+	serr = SKB_EXT_ERR(skb);
 	serr->ee.ee_errno = err;
 	serr->ee.ee_origin = SO_EE_ORIGIN_ICMP;
-	serr->ee.ee_type = skb->h.icmph->type; 
+	serr->ee.ee_type = skb->h.icmph->type;
 	serr->ee.ee_code = skb->h.icmph->code;
 	serr->ee.ee_pad = 0;
 	serr->ee.ee_info = info;
@@ -301,10 +301,10 @@ void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 port, u32 inf
 	skb->nh.iph = iph;
 	iph->daddr = daddr;
 
-	serr = SKB_EXT_ERR(skb);  
+	serr = SKB_EXT_ERR(skb);
 	serr->ee.ee_errno = err;
 	serr->ee.ee_origin = SO_EE_ORIGIN_LOCAL;
-	serr->ee.ee_type = 0; 
+	serr->ee.ee_type = 0;
 	serr->ee.ee_code = 0;
 	serr->ee.ee_pad = 0;
 	serr->ee.ee_info = info;
@@ -319,7 +319,7 @@ void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 port, u32 inf
 		kfree_skb(skb);
 }
 
-/* 
+/*
  *	Handle MSG_ERRQUEUE
  */
 int ip_recv_error(struct sock *sk, struct msghdr *msg, int len)
@@ -391,7 +391,7 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len)
 	} else
 		spin_unlock_bh(&sk->sk_error_queue.lock);
 
-out_free_skb:	
+out_free_skb:
 	kfree_skb(skb);
 out:
 	return err;
@@ -409,15 +409,15 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 	struct inet_sock *inet = inet_sk(sk);
 	int val=0,err;
 
-	if (((1<<optname) & ((1<<IP_PKTINFO) | (1<<IP_RECVTTL) | 
-			    (1<<IP_RECVOPTS) | (1<<IP_RECVTOS) | 
-			    (1<<IP_RETOPTS) | (1<<IP_TOS) | 
-			    (1<<IP_TTL) | (1<<IP_HDRINCL) | 
-			    (1<<IP_MTU_DISCOVER) | (1<<IP_RECVERR) | 
+	if (((1<<optname) & ((1<<IP_PKTINFO) | (1<<IP_RECVTTL) |
+			    (1<<IP_RECVOPTS) | (1<<IP_RECVTOS) |
+			    (1<<IP_RETOPTS) | (1<<IP_TOS) |
+			    (1<<IP_TTL) | (1<<IP_HDRINCL) |
+			    (1<<IP_MTU_DISCOVER) | (1<<IP_RECVERR) |
 			    (1<<IP_ROUTER_ALERT) | (1<<IP_FREEBIND) |
 			    (1<<IP_PASSSEC))) ||
-				optname == IP_MULTICAST_TTL || 
-				optname == IP_MULTICAST_LOOP) { 
+				optname == IP_MULTICAST_TTL ||
+				optname == IP_MULTICAST_LOOP) {
 		if (optlen >= sizeof(int)) {
 			if (get_user(val, (int __user *) optval))
 				return -EFAULT;
@@ -511,7 +511,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 				val &= ~3;
 				val |= inet->tos & 3;
 			}
-			if (IPTOS_PREC(val) >= IPTOS_PREC_CRITIC_ECP && 
+			if (IPTOS_PREC(val) >= IPTOS_PREC_CRITIC_ECP &&
 			    !capable(CAP_NET_ADMIN)) {
 				err = -EPERM;
 				break;
@@ -519,7 +519,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 			if (inet->tos != val) {
 				inet->tos = val;
 				sk->sk_priority = rt_tos2priority(val);
-				sk_dst_reset(sk); 
+				sk_dst_reset(sk);
 			}
 			break;
 		case IP_TTL:
@@ -556,13 +556,13 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 			if (val < 0 || val > 255)
 				goto e_inval;
 			inet->mc_ttl = val;
-	                break;
-		case IP_MULTICAST_LOOP: 
+			break;
+		case IP_MULTICAST_LOOP:
 			if (optlen<1)
 				goto e_inval;
 			inet->mc_loop = !!val;
-	                break;
-		case IP_MULTICAST_IF: 
+			break;
+		case IP_MULTICAST_IF:
 		{
 			struct ip_mreqn mreq;
 			struct net_device *dev = NULL;
@@ -616,7 +616,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 		}
 
 		case IP_ADD_MEMBERSHIP:
-		case IP_DROP_MEMBERSHIP: 
+		case IP_DROP_MEMBERSHIP:
 		{
 			struct ip_mreqn mreq;
 
@@ -629,7 +629,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 			} else {
 				memset(&mreq, 0, sizeof(mreq));
 				if (copy_from_user(&mreq,optval,sizeof(struct ip_mreq)))
-					break; 
+					break;
 			}
 
 			if (optname == IP_ADD_MEMBERSHIP)
@@ -714,7 +714,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 			break;
 		}
 		case MCAST_JOIN_GROUP:
-		case MCAST_LEAVE_GROUP: 
+		case MCAST_LEAVE_GROUP:
 		{
 			struct group_req greq;
 			struct sockaddr_in *psin;
@@ -858,16 +858,16 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 			kfree(gsf);
 			break;
 		}
-		case IP_ROUTER_ALERT:	
+		case IP_ROUTER_ALERT:
 			err = ip_ra_control(sk, val ? 1 : 0, NULL);
 			break;
 
 		case IP_FREEBIND:
 			if (optlen<1)
 				goto e_inval;
-			inet->freebind = !!val; 
-	                break;			
- 
+			inet->freebind = !!val;
+			break;
+
 		case IP_IPSEC_POLICY:
 		case IP_XFRM_POLICY:
 			err = -EPERM;
@@ -954,7 +954,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 	struct inet_sock *inet = inet_sk(sk);
 	int val;
 	int len;
-	
+
 	if(level!=SOL_IP)
 		return -EOPNOTSUPP;
 
@@ -969,7 +969,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 		return -EFAULT;
 	if(len < 0)
 		return -EINVAL;
-		
+
 	lock_sock(sk);
 
 	switch(optname)	{
@@ -984,7 +984,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 					       inet->opt->optlen);
 				release_sock(sk);
 
-				if (opt->optlen == 0) 
+				if (opt->optlen == 0)
 					return put_user(0, optlen);
 
 				ip_options_undo(opt);
@@ -1059,8 +1059,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 			addr.s_addr = inet->mc_addr;
 			release_sock(sk);
 
-  			if(put_user(len, optlen))
-  				return -EFAULT;
+			if(put_user(len, optlen))
+				return -EFAULT;
 			if(copy_to_user(optval, &addr, len))
 				return -EFAULT;
 			return 0;
@@ -1101,7 +1101,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 			release_sock(sk);
 			return err;
 		}
-		case IP_PKTOPTIONS:		
+		case IP_PKTOPTIONS:
 		{
 			struct msghdr msg;
 
@@ -1129,15 +1129,15 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 			len -= msg.msg_controllen;
 			return put_user(len, optlen);
 		}
-		case IP_FREEBIND: 
-			val = inet->freebind; 
-			break; 
+		case IP_FREEBIND:
+			val = inet->freebind;
+			break;
 		default:
 			release_sock(sk);
 			return -ENOPROTOOPT;
 	}
 	release_sock(sk);
-	
+
 	if (len < sizeof(int) && len > 0 && val>=0 && val<255) {
 		unsigned char ucval = (unsigned char)val;
 		len = 1;
@@ -1168,7 +1168,7 @@ int ip_getsockopt(struct sock *sk, int level,
 		&& (optname < MRT_BASE || optname > MRT_BASE+10)
 #endif
 	   ) {
-	   	int len;
+		int len;
 
 		if(get_user(len,optlen))
 			return -EFAULT;
@@ -1197,7 +1197,7 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname,
 	    && (optname < MRT_BASE || optname > MRT_BASE+10)
 #endif
 	   ) {
-	   	int len;
+		int len;
 
 		if (get_user(len, optlen))
 			return -EFAULT;

net/ipv4/ipcomp.c

@@ -5,7 +5,7 @@
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option) 
+ * Software Foundation; either version 2 of the License, or (at your option)
  * any later version.
  *
  * Todo:
@@ -48,7 +48,7 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
 	u8 *start, *scratch;
 	struct crypto_comp *tfm;
 	int cpu;
-	
+
 	plen = skb->len;
 	dlen = IPCOMP_SCRATCH_SIZE;
 	start = skb->data;
@@ -69,11 +69,11 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
 	err = pskb_expand_head(skb, 0, dlen - plen, GFP_ATOMIC);
 	if (err)
 		goto out;
-		
+
 	skb->truesize += dlen - plen;
 	__skb_put(skb, dlen - plen);
 	memcpy(skb->data, scratch, dlen);
-out:	
+out:
 	put_cpu();
 	return err;
 }
@@ -85,11 +85,11 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
 	struct ip_comp_hdr *ipch;
 
 	if (skb_linearize_cow(skb))
-	    	goto out;
+		goto out;
 
 	skb->ip_summed = CHECKSUM_NONE;
 
-	/* Remove ipcomp header and decompress original payload */	
+	/* Remove ipcomp header and decompress original payload */
 	iph = skb->nh.iph;
 	ipch = (void *)skb->data;
 	iph->protocol = ipch->nexthdr;
@@ -97,7 +97,7 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
 	__skb_pull(skb, sizeof(*ipch));
 	err = ipcomp_decompress(x, skb);
 
-out:	
+out:
 	return err;
 }
 
@@ -109,7 +109,7 @@ static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb)
 	u8 *start, *scratch;
 	struct crypto_comp *tfm;
 	int cpu;
-	
+
 	ihlen = iph->ihl * 4;
 	plen = skb->len - ihlen;
 	dlen = IPCOMP_SCRATCH_SIZE;
@@ -127,14 +127,14 @@ static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb)
 		err = -EMSGSIZE;
 		goto out;
 	}
-	
+
 	memcpy(start + sizeof(struct ip_comp_hdr), scratch, dlen);
 	put_cpu();
 
 	pskb_trim(skb, ihlen + dlen + sizeof(struct ip_comp_hdr));
 	return 0;
-	
-out:	
+
+out:
 	put_cpu();
 	return err;
 }
@@ -157,7 +157,7 @@ static int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb)
 
 	if (skb_linearize_cow(skb))
 		goto out_ok;
-	
+
 	err = ipcomp_compress(x, skb);
 	iph = skb->nh.iph;
 
@@ -194,7 +194,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
 
 	spi = htonl(ntohs(ipch->cpi));
 	x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr,
-	                      spi, IPPROTO_COMP, AF_INET);
+			      spi, IPPROTO_COMP, AF_INET);
 	if (!x)
 		return;
 	NETDEBUG(KERN_DEBUG "pmtu discovery on SA IPCOMP/%08x/%u.%u.%u.%u\n",
@@ -202,12 +202,12 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
 	xfrm_state_put(x);
 }
 
-/* We always hold one tunnel user reference to indicate a tunnel */ 
+/* We always hold one tunnel user reference to indicate a tunnel */
 static struct xfrm_state *ipcomp_tunnel_create(struct xfrm_state *x)
 {
 	struct xfrm_state *t;
 	u8 mode = XFRM_MODE_TUNNEL;
-	
+
 	t = xfrm_state_alloc();
 	if (t == NULL)
 		goto out;
@@ -247,7 +247,7 @@ static int ipcomp_tunnel_attach(struct xfrm_state *x)
 	struct xfrm_state *t;
 
 	t = xfrm_state_lookup((xfrm_address_t *)&x->id.daddr.a4,
-	                      x->props.saddr.a4, IPPROTO_IPIP, AF_INET);
+			      x->props.saddr.a4, IPPROTO_IPIP, AF_INET);
 	if (!t) {
 		t = ipcomp_tunnel_create(x);
 		if (!t) {

net/ipv4/ipconfig.c

@@ -12,7 +12,7 @@
  *  BOOTP rewritten to construct and analyse packets itself instead
  *  of misusing the IP layer. num_bugs_causing_wrong_arp_replies--;
  *					     -- MJ, December 1998
- *  
+ *
  *  Fixed ip_auto_config_setup calling at startup in the new "Linker Magic"
  *  initialization scheme.
  *	- Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 08/11/1999
@@ -98,8 +98,8 @@
 #define CONF_TIMEOUT_RANDOM	(HZ)	/* Maximum amount of randomization */
 #define CONF_TIMEOUT_MULT	*7/4	/* Rate of timeout growth */
 #define CONF_TIMEOUT_MAX	(HZ*30)	/* Maximum allowed timeout */
-#define CONF_NAMESERVERS_MAX   3       /* Maximum number of nameservers  
-                                           - '3' from resolv.h */
+#define CONF_NAMESERVERS_MAX   3       /* Maximum number of nameservers
+					   - '3' from resolv.h */
 
 #define NONE __constant_htonl(INADDR_NONE)
 
@@ -365,7 +365,7 @@ static int __init ic_defaults(void)
 	 *	At this point we have no userspace running so need not
 	 *	claim locks on system_utsname
 	 */
-	 
+
 	if (!ic_host_name_set)
 		sprintf(init_utsname()->nodename, "%u.%u.%u.%u", NIPQUAD(ic_myaddr));
 
@@ -650,9 +650,9 @@ static void __init ic_bootp_init_ext(u8 *e)
 	*e++ = 40;
 	e += 40;
 
-	*e++ = 57;		/* set extension buffer size for reply */ 
+	*e++ = 57;		/* set extension buffer size for reply */
 	*e++ = 2;
-	*e++ = 1;		/* 128+236+8+20+14, see dhcpd sources */ 
+	*e++ = 1;		/* 128+236+8+20+14, see dhcpd sources */
 	*e++ = 150;
 
 	*e++ = 255;		/* End of the list */
@@ -913,7 +913,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 	/* Parse extensions */
 	if (ext_len >= 4 &&
 	    !memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */
-                u8 *end = (u8 *) b + ntohs(b->iph.tot_len);
+		u8 *end = (u8 *) b + ntohs(b->iph.tot_len);
 		u8 *ext;
 
 #ifdef IPCONFIG_DHCP
@@ -1020,7 +1020,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 	kfree_skb(skb);
 
 	return 0;
-}	
+}
 
 
 #endif
@@ -1080,7 +1080,7 @@ static int __init ic_dynamic(void)
 	 * seems to be a terrible waste of CPU time, but actually there is
 	 * only one process running at all, so we don't need to use any
 	 * scheduler functions.
-	 * [Actually we could now, but the nothing else running note still 
+	 * [Actually we could now, but the nothing else running note still
 	 *  applies.. - AC]
 	 */
 	printk(KERN_NOTICE "Sending %s%s%s requests .",
@@ -1156,7 +1156,7 @@ static int __init ic_dynamic(void)
 	}
 
 	printk("IP-Config: Got %s answer from %u.%u.%u.%u, ",
-		((ic_got_reply & IC_RARP) ? "RARP" 
+		((ic_got_reply & IC_RARP) ? "RARP"
 		 : (ic_proto_enabled & IC_USE_DHCP) ? "DHCP" : "BOOTP"),
 		NIPQUAD(ic_servaddr));
 	printk("my address is %u.%u.%u.%u\n", NIPQUAD(ic_myaddr));
@@ -1286,7 +1286,7 @@ static int __init ip_auto_config(void)
 #endif
 	    ic_first_dev->next) {
 #ifdef IPCONFIG_DYNAMIC
-	
+
 		int retries = CONF_OPEN_RETRIES;
 
 		if (ic_dynamic() < 0) {
@@ -1308,14 +1308,14 @@ static int __init ip_auto_config(void)
 			 */
 #ifdef CONFIG_ROOT_NFS
 			if (ROOT_DEV ==  Root_NFS) {
-				printk(KERN_ERR 
+				printk(KERN_ERR
 					"IP-Config: Retrying forever (NFS root)...\n");
 				goto try_try_again;
 			}
 #endif
 
 			if (--retries) {
-				printk(KERN_ERR 
+				printk(KERN_ERR
 				       "IP-Config: Reopening network devices...\n");
 				goto try_try_again;
 			}
@@ -1443,8 +1443,8 @@ static int __init ip_auto_config_setup(char *addrs)
 
 	ic_set_manually = 1;
 
-	ic_enable = (*addrs && 
-		(strcmp(addrs, "off") != 0) && 
+	ic_enable = (*addrs &&
+		(strcmp(addrs, "off") != 0) &&
 		(strcmp(addrs, "none") != 0));
 	if (!ic_enable)
 		return 1;

net/ipv4/ipip.c

 /*
- *	Linux NET3:	IP/IP protocol decoder. 
+ *	Linux NET3:	IP/IP protocol decoder.
  *
  *	Version: $Id: ipip.c,v 1.50 2001/10/02 02:22:36 davem Exp $
  *
@@ -35,14 +35,14 @@
 	Thanks for the great code!
 
 		-Sam Lantinga	(slouken@cs.ucdavis.edu)  02/01/95
-		
+
 	Minor tweaks:
 		Cleaned up the code a little and added some pre-1.3.0 tweaks.
 		dev->hard_header/hard_header_len changed to use no headers.
 		Comments/bracketing tweaked.
 		Made the tunnels use dev->name not tunnel: when error reporting.
 		Added tx_dropped stat
-		
+
 		-Alan Cox	(Alan.Cox@linux.org) 21 March 95
 
 	Reworked:
@@ -52,7 +52,7 @@
 		Note:  There is currently no firewall or ICMP handling done.
 
 		-Sam Lantinga	(slouken@cs.ucdavis.edu) 02/13/96
-		
+
 */
 
 /* Things I wish I had known when writing the tunnel driver:
@@ -75,7 +75,7 @@
 	"allocated" with skb_put().  You can then write up to skb->len
 	bytes to that buffer.  If you need more, you can call skb_put()
 	again with the additional amount of space you need.  You can
-	find out how much more space you can allocate by calling 
+	find out how much more space you can allocate by calling
 	"skb_tailroom(skb)".
 	Now, to add header space, call "skb_push(skb, header_len)".
 	This creates space at the beginning of the buffer and returns
@@ -92,7 +92,7 @@
    For comments look at net/ipv4/ip_gre.c --ANK
  */
 
- 
+
 #include <linux/capability.h>
 #include <linux/module.h>
 #include <linux/types.h>
@@ -607,7 +607,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-  			stats->tx_dropped++;
+			stats->tx_dropped++;
 			dev_kfree_skb(skb);
 			tunnel->recursion--;
 			return 0;

net/ipv4/ipmr.c

@@ -241,7 +241,7 @@ static struct net_device *ipmr_reg_vif(void)
 /*
  *	Delete a VIF entry
  */
- 
+
 static int vif_delete(int vifi)
 {
 	struct vif_device *v;
@@ -409,7 +409,7 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
 			return -ENOBUFS;
 		break;
 #endif
-	case VIFF_TUNNEL:	
+	case VIFF_TUNNEL:
 		dev = ipmr_new_tunnel(vifc);
 		if (!dev)
 			return -ENOBUFS;
@@ -501,7 +501,7 @@ static struct mfc_cache *ipmr_cache_alloc_unres(void)
 /*
  *	A cache entry has gone into a resolved state from queued
  */
- 
+
 static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
 {
 	struct sk_buff *skb;
@@ -538,7 +538,7 @@ static void ipmr_cache_resolve(struct mfc_cache *uc, struct mfc_cache *c)
  *
  *	Called under mrt_lock.
  */
- 
+
 static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 {
 	struct sk_buff *skb;
@@ -569,13 +569,13 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 		memcpy(msg, pkt->nh.raw, sizeof(struct iphdr));
 		msg->im_msgtype = IGMPMSG_WHOLEPKT;
 		msg->im_mbz = 0;
- 		msg->im_vif = reg_vif_num;
+		msg->im_vif = reg_vif_num;
 		skb->nh.iph->ihl = sizeof(struct iphdr) >> 2;
 		skb->nh.iph->tot_len = htons(ntohs(pkt->nh.iph->tot_len) + sizeof(struct iphdr));
-	} else 
+	} else
 #endif
-	{	
-		
+	{
+
 	/*
 	 *	Copy the IP header
 	 */
@@ -597,7 +597,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 	igmp->code 	=	0;
 	skb->nh.iph->tot_len=htons(skb->len);			/* Fix the length */
 	skb->h.raw = skb->nh.raw;
-        }
+	}
 
 	if (mroute_socket == NULL) {
 		kfree_skb(skb);
@@ -619,7 +619,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 /*
  *	Queue a packet for resolution. It gets locked cache entry!
  */
- 
+
 static int
 ipmr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
 {
@@ -657,7 +657,7 @@ ipmr_cache_unresolved(vifi_t vifi, struct sk_buff *skb)
 		 *	Reflect first query at mrouted.
 		 */
 		if ((err = ipmr_cache_report(skb, vifi, IGMPMSG_NOCACHE))<0) {
-			/* If the report failed throw the cache entry 
+			/* If the report failed throw the cache entry
 			   out - Brad Parker
 			 */
 			spin_unlock_bh(&mfc_unres_lock);
@@ -783,11 +783,11 @@ static int ipmr_mfc_add(struct mfcctl *mfc, int mrtsock)
 /*
  *	Close the multicast socket, and clear the vif tables etc
  */
- 
+
 static void mroute_clean_tables(struct sock *sk)
 {
 	int i;
-		
+
 	/*
 	 *	Shut down all active vif entries
 	 */
@@ -854,13 +854,13 @@ static void mrtsock_destruct(struct sock *sk)
  *	that's how BSD mrouted happens to think. Maybe one day with a proper
  *	MOSPF/PIM router set up we can clean this up.
  */
- 
+
 int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int optlen)
 {
 	int ret;
 	struct vifctl vif;
 	struct mfcctl mfc;
-	
+
 	if(optname!=MRT_INIT)
 	{
 		if(sk!=mroute_socket && !capable(CAP_NET_ADMIN))
@@ -901,7 +901,7 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
 			if(optlen!=sizeof(vif))
 				return -EINVAL;
 			if (copy_from_user(&vif,optval,sizeof(vif)))
-				return -EFAULT; 
+				return -EFAULT;
 			if(vif.vifc_vifi >= MAXVIFS)
 				return -ENFILE;
 			rtnl_lock();
@@ -980,13 +980,13 @@ int ip_mroute_setsockopt(struct sock *sk,int optname,char __user *optval,int opt
 /*
  *	Getsock opt support for the multicast routing system.
  */
- 
+
 int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __user *optlen)
 {
 	int olr;
 	int val;
 
-	if(optname!=MRT_VERSION && 
+	if(optname!=MRT_VERSION &&
 #ifdef CONFIG_IP_PIMSM
 	   optname!=MRT_PIM &&
 #endif
@@ -999,7 +999,7 @@ int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __u
 	olr = min_t(unsigned int, olr, sizeof(int));
 	if (olr < 0)
 		return -EINVAL;
-		
+
 	if(put_user(olr,optlen))
 		return -EFAULT;
 	if(optname==MRT_VERSION)
@@ -1018,19 +1018,19 @@ int ip_mroute_getsockopt(struct sock *sk,int optname,char __user *optval,int __u
 /*
  *	The IP multicast ioctl support routines.
  */
- 
+
 int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
 {
 	struct sioc_sg_req sr;
 	struct sioc_vif_req vr;
 	struct vif_device *vif;
 	struct mfc_cache *c;
-	
+
 	switch(cmd)
 	{
 		case SIOCGETVIFCNT:
 			if (copy_from_user(&vr,arg,sizeof(vr)))
-				return -EFAULT; 
+				return -EFAULT;
 			if(vr.vifi>=maxvif)
 				return -EINVAL;
 			read_lock(&mrt_lock);
@@ -1096,7 +1096,7 @@ static struct notifier_block ip_mr_notifier={
  *	This avoids tunnel drivers and other mess and gives us the speed so
  *	important for multicast video.
  */
- 
+
 static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
 {
 	struct iphdr *iph = (struct iphdr *)skb_push(skb,sizeof(struct iphdr));
@@ -1194,7 +1194,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
 	encap += LL_RESERVED_SPACE(dev) + rt->u.dst.header_len;
 
 	if (skb_cow(skb, encap)) {
- 		ip_rt_put(rt);
+		ip_rt_put(rt);
 		goto out_free;
 	}
 
@@ -1228,7 +1228,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
 	 * not mrouter) cannot join to more than one interface - it will
 	 * result in receiving multiple packets.
 	 */
-	NF_HOOK(PF_INET, NF_IP_FORWARD, skb, skb->dev, dev, 
+	NF_HOOK(PF_INET, NF_IP_FORWARD, skb, skb->dev, dev,
 		ipmr_forward_finish);
 	return;
 
@@ -1289,7 +1289,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
 		       large chunk of pimd to kernel. Ough... --ANK
 		     */
 		    (mroute_do_pim || cache->mfc_un.res.ttls[true_vifi] < 255) &&
-		    time_after(jiffies, 
+		    time_after(jiffies,
 			       cache->mfc_un.res.last_assert + MFC_ASSERT_THRESH)) {
 			cache->mfc_un.res.last_assert = jiffies;
 			ipmr_cache_report(skb, true_vifi, IGMPMSG_WRONGVIF);
@@ -1426,14 +1426,14 @@ int pim_rcv_v1(struct sk_buff * skb)
 	struct iphdr   *encap;
 	struct net_device  *reg_dev = NULL;
 
-	if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap))) 
+	if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
 		goto drop;
 
 	pim = (struct igmphdr*)skb->h.raw;
 
-        if (!mroute_do_pim ||
+	if (!mroute_do_pim ||
 	    skb->len < sizeof(*pim) + sizeof(*encap) ||
-	    pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER) 
+	    pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)
 		goto drop;
 
 	encap = (struct iphdr*)(skb->h.raw + sizeof(struct igmphdr));
@@ -1445,7 +1445,7 @@ int pim_rcv_v1(struct sk_buff * skb)
 	 */
 	if (!MULTICAST(encap->daddr) ||
 	    encap->tot_len == 0 ||
-	    ntohs(encap->tot_len) + sizeof(*pim) > skb->len) 
+	    ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
 		goto drop;
 
 	read_lock(&mrt_lock);
@@ -1455,7 +1455,7 @@ int pim_rcv_v1(struct sk_buff * skb)
 		dev_hold(reg_dev);
 	read_unlock(&mrt_lock);
 
-	if (reg_dev == NULL) 
+	if (reg_dev == NULL)
 		goto drop;
 
 	skb->mac.raw = skb->nh.raw;
@@ -1486,13 +1486,13 @@ static int pim_rcv(struct sk_buff * skb)
 	struct iphdr   *encap;
 	struct net_device  *reg_dev = NULL;
 
-	if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap))) 
+	if (!pskb_may_pull(skb, sizeof(*pim) + sizeof(*encap)))
 		goto drop;
 
 	pim = (struct pimreghdr*)skb->h.raw;
-        if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) ||
+	if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) ||
 	    (pim->flags&PIM_NULL_REGISTER) ||
-	    (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 && 
+	    (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
 	     csum_fold(skb_checksum(skb, 0, skb->len, 0))))
 		goto drop;
 
@@ -1500,7 +1500,7 @@ static int pim_rcv(struct sk_buff * skb)
 	encap = (struct iphdr*)(skb->h.raw + sizeof(struct pimreghdr));
 	if (!MULTICAST(encap->daddr) ||
 	    encap->tot_len == 0 ||
-	    ntohs(encap->tot_len) + sizeof(*pim) > skb->len) 
+	    ntohs(encap->tot_len) + sizeof(*pim) > skb->len)
 		goto drop;
 
 	read_lock(&mrt_lock);
@@ -1510,7 +1510,7 @@ static int pim_rcv(struct sk_buff * skb)
 		dev_hold(reg_dev);
 	read_unlock(&mrt_lock);
 
-	if (reg_dev == NULL) 
+	if (reg_dev == NULL)
 		goto drop;
 
 	skb->mac.raw = skb->nh.raw;
@@ -1616,7 +1616,7 @@ int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait)
 	return err;
 }
 
-#ifdef CONFIG_PROC_FS	
+#ifdef CONFIG_PROC_FS
 /*
  *	The /proc interfaces to multicast routing /proc/ip_mr_cache /proc/ip_mr_vif
  */
@@ -1630,7 +1630,7 @@ static struct vif_device *ipmr_vif_seq_idx(struct ipmr_vif_iter *iter,
 	for (iter->ct = 0; iter->ct < maxvif; ++iter->ct) {
 		if(!VIF_EXISTS(iter->ct))
 			continue;
-		if (pos-- == 0) 
+		if (pos-- == 0)
 			return &vif_table[iter->ct];
 	}
 	return NULL;
@@ -1639,7 +1639,7 @@ static struct vif_device *ipmr_vif_seq_idx(struct ipmr_vif_iter *iter,
 static void *ipmr_vif_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	read_lock(&mrt_lock);
-	return *pos ? ipmr_vif_seq_idx(seq->private, *pos - 1) 
+	return *pos ? ipmr_vif_seq_idx(seq->private, *pos - 1)
 		: SEQ_START_TOKEN;
 }
 
@@ -1650,7 +1650,7 @@ static void *ipmr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	++*pos;
 	if (v == SEQ_START_TOKEN)
 		return ipmr_vif_seq_idx(iter, 0);
-	
+
 	while (++iter->ct < maxvif) {
 		if(!VIF_EXISTS(iter->ct))
 			continue;
@@ -1667,7 +1667,7 @@ static void ipmr_vif_seq_stop(struct seq_file *seq, void *v)
 static int ipmr_vif_seq_show(struct seq_file *seq, void *v)
 {
 	if (v == SEQ_START_TOKEN) {
-		seq_puts(seq, 
+		seq_puts(seq,
 			 "Interface      BytesIn  PktsIn  BytesOut PktsOut Flags Local    Remote\n");
 	} else {
 		const struct vif_device *vif = v;
@@ -1676,7 +1676,7 @@ static int ipmr_vif_seq_show(struct seq_file *seq, void *v)
 		seq_printf(seq,
 			   "%2Zd %-10s %8ld %7ld  %8ld %7ld %05X %08X %08X\n",
 			   vif - vif_table,
-			   name, vif->bytes_in, vif->pkt_in, 
+			   name, vif->bytes_in, vif->pkt_in,
 			   vif->bytes_out, vif->pkt_out,
 			   vif->flags, vif->local, vif->remote);
 	}
@@ -1695,7 +1695,7 @@ static int ipmr_vif_open(struct inode *inode, struct file *file)
 	struct seq_file *seq;
 	int rc = -ENOMEM;
 	struct ipmr_vif_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-       
+
 	if (!s)
 		goto out;
 
@@ -1734,15 +1734,15 @@ static struct mfc_cache *ipmr_mfc_seq_idx(struct ipmr_mfc_iter *it, loff_t pos)
 
 	it->cache = mfc_cache_array;
 	read_lock(&mrt_lock);
-	for (it->ct = 0; it->ct < MFC_LINES; it->ct++) 
-		for(mfc = mfc_cache_array[it->ct]; mfc; mfc = mfc->next) 
-			if (pos-- == 0) 
+	for (it->ct = 0; it->ct < MFC_LINES; it->ct++)
+		for(mfc = mfc_cache_array[it->ct]; mfc; mfc = mfc->next)
+			if (pos-- == 0)
 				return mfc;
 	read_unlock(&mrt_lock);
 
 	it->cache = &mfc_unres_queue;
 	spin_lock_bh(&mfc_unres_lock);
-	for(mfc = mfc_unres_queue; mfc; mfc = mfc->next) 
+	for(mfc = mfc_unres_queue; mfc; mfc = mfc->next)
 		if (pos-- == 0)
 			return mfc;
 	spin_unlock_bh(&mfc_unres_lock);
@@ -1757,7 +1757,7 @@ static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos)
 	struct ipmr_mfc_iter *it = seq->private;
 	it->cache = NULL;
 	it->ct = 0;
-	return *pos ? ipmr_mfc_seq_idx(seq->private, *pos - 1) 
+	return *pos ? ipmr_mfc_seq_idx(seq->private, *pos - 1)
 		: SEQ_START_TOKEN;
 }
 
@@ -1773,8 +1773,8 @@ static void *ipmr_mfc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
 	if (mfc->next)
 		return mfc->next;
-	
-	if (it->cache == &mfc_unres_queue) 
+
+	if (it->cache == &mfc_unres_queue)
 		goto end_of_list;
 
 	BUG_ON(it->cache != mfc_cache_array);
@@ -1789,10 +1789,10 @@ static void *ipmr_mfc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	read_unlock(&mrt_lock);
 	it->cache = &mfc_unres_queue;
 	it->ct = 0;
-		
+
 	spin_lock_bh(&mfc_unres_lock);
 	mfc = mfc_unres_queue;
-	if (mfc) 
+	if (mfc)
 		return mfc;
 
  end_of_list:
@@ -1817,12 +1817,12 @@ static int ipmr_mfc_seq_show(struct seq_file *seq, void *v)
 	int n;
 
 	if (v == SEQ_START_TOKEN) {
-		seq_puts(seq, 
+		seq_puts(seq,
 		 "Group    Origin   Iif     Pkts    Bytes    Wrong Oifs\n");
 	} else {
 		const struct mfc_cache *mfc = v;
 		const struct ipmr_mfc_iter *it = seq->private;
-		
+
 		seq_printf(seq, "%08lX %08lX %-3d %8ld %8ld %8ld",
 			   (unsigned long) mfc->mfc_mcastgrp,
 			   (unsigned long) mfc->mfc_origin,
@@ -1832,12 +1832,12 @@ static int ipmr_mfc_seq_show(struct seq_file *seq, void *v)
 			   mfc->mfc_un.res.wrong_if);
 
 		if (it->cache != &mfc_unres_queue) {
-			for(n = mfc->mfc_un.res.minvif; 
+			for(n = mfc->mfc_un.res.minvif;
 			    n < mfc->mfc_un.res.maxvif; n++ ) {
-				if(VIF_EXISTS(n) 
+				if(VIF_EXISTS(n)
 				   && mfc->mfc_un.res.ttls[n] < 255)
-				seq_printf(seq, 
-					   " %2d:%-3d", 
+				seq_printf(seq,
+					   " %2d:%-3d",
 					   n, mfc->mfc_un.res.ttls[n]);
 			}
 		}
@@ -1858,7 +1858,7 @@ static int ipmr_mfc_open(struct inode *inode, struct file *file)
 	struct seq_file *seq;
 	int rc = -ENOMEM;
 	struct ipmr_mfc_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
-       
+
 	if (!s)
 		goto out;
 
@@ -1883,7 +1883,7 @@ static struct file_operations ipmr_mfc_fops = {
 	.llseek  = seq_lseek,
 	.release = seq_release_private,
 };
-#endif	
+#endif
 
 #ifdef CONFIG_IP_PIMSM_V2
 static struct net_protocol pim_protocol = {
@@ -1895,7 +1895,7 @@ static struct net_protocol pim_protocol = {
 /*
  *	Setup for IP multicast routing
  */
- 
+
 void __init ip_mr_init(void)
 {
 	mrt_cachep = kmem_cache_create("ip_mrt_cache",
@@ -1905,8 +1905,8 @@ void __init ip_mr_init(void)
 	init_timer(&ipmr_expire_timer);
 	ipmr_expire_timer.function=ipmr_expire_process;
 	register_netdevice_notifier(&ip_mr_notifier);
-#ifdef CONFIG_PROC_FS	
+#ifdef CONFIG_PROC_FS
 	proc_net_fops_create("ip_mr_vif", 0, &ipmr_vif_fops);
 	proc_net_fops_create("ip_mr_cache", 0, &ipmr_mfc_fops);
-#endif	
+#endif
 }

net/ipv4/ipvs/ip_vs_conn.c

@@ -494,8 +494,8 @@ int ip_vs_check_template(struct ip_vs_conn *ct)
 	 * Checking the dest server status.
 	 */
 	if ((dest == NULL) ||
-	    !(dest->flags & IP_VS_DEST_F_AVAILABLE) || 
-	    (sysctl_ip_vs_expire_quiescent_template && 
+	    !(dest->flags & IP_VS_DEST_F_AVAILABLE) ||
+	    (sysctl_ip_vs_expire_quiescent_template &&
 	     (atomic_read(&dest->weight) == 0))) {
 		IP_VS_DBG(9, "check_template: dest not available for "
 			  "protocol %s s:%u.%u.%u.%u:%d v:%u.%u.%u.%u:%d "
@@ -667,7 +667,7 @@ static void *ip_vs_conn_array(struct seq_file *seq, loff_t pos)
 {
 	int idx;
 	struct ip_vs_conn *cp;
-	
+
 	for(idx = 0; idx < IP_VS_CONN_TAB_SIZE; idx++) {
 		ct_read_lock_bh(idx);
 		list_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) {
@@ -695,7 +695,7 @@ static void *ip_vs_conn_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	int idx;
 
 	++*pos;
-	if (v == SEQ_START_TOKEN) 
+	if (v == SEQ_START_TOKEN)
 		return ip_vs_conn_array(seq, 0);
 
 	/* more on same hash chain? */
@@ -710,7 +710,7 @@ static void *ip_vs_conn_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 		list_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) {
 			seq->private = &ip_vs_conn_tab[idx];
 			return cp;
-		}	
+		}
 		ct_read_unlock_bh(idx);
 	}
 	seq->private = NULL;

net/ipv4/ipvs/ip_vs_core.c

@@ -813,14 +813,14 @@ ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
 	skb->nh.iph->saddr = cp->vaddr;
 	ip_send_check(skb->nh.iph);
 
- 	/* For policy routing, packets originating from this
- 	 * machine itself may be routed differently to packets
- 	 * passing through.  We want this packet to be routed as
- 	 * if it came from this machine itself.  So re-compute
- 	 * the routing information.
- 	 */
- 	if (ip_route_me_harder(pskb, RTN_LOCAL) != 0)
- 		goto drop;
+	/* For policy routing, packets originating from this
+	 * machine itself may be routed differently to packets
+	 * passing through.  We want this packet to be routed as
+	 * if it came from this machine itself.  So re-compute
+	 * the routing information.
+	 */
+	if (ip_route_me_harder(pskb, RTN_LOCAL) != 0)
+		goto drop;
 	skb = *pskb;
 
 	IP_VS_DBG_PKT(10, pp, skb, 0, "After SNAT");
@@ -847,7 +847,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
  *	forward to the right destination host if relevant.
  *	Currently handles error types - unreachable, quench, ttl exceeded.
  */
-static int 
+static int
 ip_vs_in_icmp(struct sk_buff **pskb, int *related, unsigned int hooknum)
 {
 	struct sk_buff *skb = *pskb;
@@ -863,7 +863,7 @@ ip_vs_in_icmp(struct sk_buff **pskb, int *related, unsigned int hooknum)
 	/* reassemble IP fragments */
 	if (skb->nh.iph->frag_off & __constant_htons(IP_MF|IP_OFFSET)) {
 		skb = ip_vs_gather_frags(skb,
-		                         hooknum == NF_IP_LOCAL_IN ?
+					 hooknum == NF_IP_LOCAL_IN ?
 					 IP_DEFRAG_VS_IN : IP_DEFRAG_VS_FWD);
 		if (!skb)
 			return NF_STOLEN;

net/ipv4/ipvs/ip_vs_ftp.c

@@ -370,7 +370,7 @@ static int __init ip_vs_ftp_init(void)
 		if (ret)
 			break;
 		IP_VS_INFO("%s: loaded support on port[%d] = %d\n",
-		 	   app->name, i, ports[i]);
+			   app->name, i, ports[i]);
 	}
 
 	if (ret)

net/ipv4/ipvs/ip_vs_lblc.c

@@ -118,7 +118,7 @@ static ctl_table vs_vars_table[] = {
 		.procname	= "lblc_expiration",
 		.data		= &sysctl_ip_vs_lblc_expiration,
 		.maxlen		= sizeof(int),
-		.mode		= 0644, 
+		.mode		= 0644,
 		.proc_handler	= &proc_dointvec_jiffies,
 	},
 	{ .ctl_name = 0 }
@@ -128,7 +128,7 @@ static ctl_table vs_table[] = {
 	{
 		.ctl_name	= NET_IPV4_VS,
 		.procname	= "vs",
-		.mode		= 0555, 
+		.mode		= 0555,
 		.child		= vs_vars_table
 	},
 	{ .ctl_name = 0 }
@@ -137,7 +137,7 @@ static ctl_table vs_table[] = {
 static ctl_table ipvs_ipv4_table[] = {
 	{
 		.ctl_name	= NET_IPV4,
-		.procname	= "ipv4", 
+		.procname	= "ipv4",
 		.mode		= 0555,
 		.child		= vs_table
 	},
@@ -147,8 +147,8 @@ static ctl_table ipvs_ipv4_table[] = {
 static ctl_table lblc_root_table[] = {
 	{
 		.ctl_name	= CTL_NET,
-		.procname	= "net", 
-		.mode		= 0555, 
+		.procname	= "net",
+		.mode		= 0555,
 		.child		= ipvs_ipv4_table
 	},
 	{ .ctl_name = 0 }
@@ -288,7 +288,7 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_lblc_table *tbl)
 
 		write_lock(&tbl->lock);
 		list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) {
-			if (time_before(now, 
+			if (time_before(now,
 					en->lastuse + sysctl_ip_vs_lblc_expiration))
 				continue;
 

net/ipv4/ipvs/ip_vs_lblcr.c

@@ -307,7 +307,7 @@ static ctl_table vs_vars_table[] = {
 		.procname	= "lblcr_expiration",
 		.data		= &sysctl_ip_vs_lblcr_expiration,
 		.maxlen		= sizeof(int),
-		.mode		= 0644, 
+		.mode		= 0644,
 		.proc_handler	= &proc_dointvec_jiffies,
 	},
 	{ .ctl_name = 0 }
@@ -326,7 +326,7 @@ static ctl_table vs_table[] = {
 static ctl_table ipvs_ipv4_table[] = {
 	{
 		.ctl_name	= NET_IPV4,
-		.procname	= "ipv4", 
+		.procname	= "ipv4",
 		.mode		= 0555,
 		.child		= vs_table
 	},
@@ -336,8 +336,8 @@ static ctl_table ipvs_ipv4_table[] = {
 static ctl_table lblcr_root_table[] = {
 	{
 		.ctl_name	= CTL_NET,
-		.procname	= "net", 
-		.mode		= 0555, 
+		.procname	= "net",
+		.mode		= 0555,
 		.child		= ipvs_ipv4_table
 	},
 	{ .ctl_name = 0 }

net/ipv4/ipvs/ip_vs_rr.c

@@ -68,7 +68,7 @@ ip_vs_rr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 			q = q->next;
 			continue;
 		}
-		
+
 		dest = list_entry(q, struct ip_vs_dest, n_list);
 		if (!(dest->flags & IP_VS_DEST_F_OVERLOAD) &&
 		    atomic_read(&dest->weight) > 0)

net/ipv4/multipath_drr.c

@@ -134,7 +134,7 @@ static void drr_select_route(const struct flowi *flp,
 			     struct rtable *first, struct rtable **rp)
 {
 	struct rtable *nh, *result, *cur_min;
-	int min_usecount = -1; 
+	int min_usecount = -1;
 	int devidx = -1;
 	int cur_min_devidx = -1;
 
@@ -161,7 +161,7 @@ static void drr_select_route(const struct flowi *flp,
 			 */
 			devidx = __multipath_finddev(nh_ifidx);
 			if (devidx == -1) {
-				/* add the interface to the array 
+				/* add the interface to the array
 				 * SMP safe
 				 */
 				spin_lock_bh(&state_lock);

net/ipv4/multipath_rr.c

@@ -58,7 +58,7 @@ static void rr_select_route(const struct flowi *flp,
 	 */
 	result = NULL;
 	for (nh = rcu_dereference(first); nh;
- 	     nh = rcu_dereference(nh->u.rt_next)) {
+	     nh = rcu_dereference(nh->u.rt_next)) {
 		if ((nh->u.dst.flags & DST_BALANCED) != 0 &&
 		    multipath_comparekeys(&nh->fl, flp)) {
 			nh->u.dst.lastuse = jiffies;

net/ipv4/multipath_wrandom.c

@@ -142,7 +142,7 @@ static unsigned char __multipath_lookup_weight(const struct flowi *fl,
 	return weight;
 }
 
-static void wrandom_init_state(void) 
+static void wrandom_init_state(void)
 {
 	int i;
 
@@ -287,7 +287,7 @@ static void __multipath_free(struct rcu_head *head)
 
 static void __multipath_free_dst(struct rcu_head *head)
 {
-  	struct multipath_dest *dst = container_of(head,
+	struct multipath_dest *dst = container_of(head,
 						  struct multipath_dest,
 						  rcu);
 	kfree(dst);

net/ipv4/netfilter.c

@@ -53,7 +53,7 @@ int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type)
 		dst_release(&rt->u.dst);
 		dst_release(odst);
 	}
-	
+
 	if ((*pskb)->dst->error)
 		return -1;
 
@@ -70,7 +70,7 @@ int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type)
 		struct sk_buff *nskb;
 
 		nskb = skb_realloc_headroom(*pskb, hh_len);
-		if (!nskb) 
+		if (!nskb)
 			return -1;
 		if ((*pskb)->sk)
 			skb_set_owner_w(nskb, (*pskb)->sk);
@@ -177,7 +177,7 @@ __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
 			break;
 		if ((protocol == 0 && !csum_fold(skb->csum)) ||
 		    !csum_tcpudp_magic(iph->saddr, iph->daddr,
-			    	       skb->len - dataoff, protocol,
+				       skb->len - dataoff, protocol,
 				       skb->csum)) {
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 			break;

net/ipv4/netfilter/arp_tables.c

@@ -544,7 +544,7 @@ static inline int check_entry_size_and_hooks(struct arpt_entry *e,
 	}
 
 	/* FIXME: underflows must be unconditional, standard verdicts
-           < 0 (not ARPT_RETURN). --RR */
+	   < 0 (not ARPT_RETURN). --RR */
 
 	/* Clear counters and comefrom */
 	e->counters = ((struct xt_counters) { 0, 0 });
@@ -869,8 +869,8 @@ static int do_replace(void __user *user, unsigned int len)
 	/* Update module usage count based on number of rules */
 	duprintf("do_replace: oldnum=%u, initnum=%u, newnum=%u\n",
 		oldinfo->number, oldinfo->initial_entries, newinfo->number);
-	if ((oldinfo->number > oldinfo->initial_entries) || 
-	    (newinfo->number <= oldinfo->initial_entries)) 
+	if ((oldinfo->number > oldinfo->initial_entries) ||
+	    (newinfo->number <= oldinfo->initial_entries))
 		module_put(t->me);
 	if ((oldinfo->number > oldinfo->initial_entries) &&
 	    (newinfo->number <= oldinfo->initial_entries))

net/ipv4/netfilter/arpt_mangle.c

@@ -67,7 +67,7 @@ target(struct sk_buff **pskb,
 
 static int
 checkentry(const char *tablename, const void *e, const struct xt_target *target,
-           void *targinfo, unsigned int hook_mask)
+	   void *targinfo, unsigned int hook_mask)
 {
 	const struct arpt_mangle *mangle = targinfo;
 

net/ipv4/netfilter/ip_conntrack_amanda.c

@@ -9,7 +9,7 @@
  *
  *	Module load syntax:
  * 	insmod ip_conntrack_amanda.o [master_timeout=n]
- *	
+ *
  *	Where master_timeout is the timeout (in seconds) of the master
  *	connection (port 10080).  This defaults to 5 minutes but if
  *	your clients take longer than 5 minutes to do their work
@@ -84,7 +84,7 @@ static struct {
 };
 
 static int help(struct sk_buff **pskb,
-                struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
+		struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
 {
 	struct ts_state ts;
 	struct ip_conntrack_expect *exp;

net/ipv4/netfilter/ip_conntrack_core.c

@@ -2,7 +2,7 @@
    but required by, the NAT layer; it can also be used by an iptables
    extension. */
 
-/* (C) 1999-2001 Paul `Rusty' Russell  
+/* (C) 1999-2001 Paul `Rusty' Russell
  * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -99,7 +99,7 @@ __ip_ct_deliver_cached_events(struct ip_conntrack_ecache *ecache)
 void ip_ct_deliver_cached_events(const struct ip_conntrack *ct)
 {
 	struct ip_conntrack_ecache *ecache;
-	
+
 	local_bh_disable();
 	ecache = &__get_cpu_var(ip_conntrack_ecache);
 	if (ecache->ct == ct)
@@ -147,9 +147,9 @@ static u_int32_t __hash_conntrack(const struct ip_conntrack_tuple *tuple,
 			    unsigned int size, unsigned int rnd)
 {
 	return (jhash_3words((__force u32)tuple->src.ip,
-	                     ((__force u32)tuple->dst.ip ^ tuple->dst.protonum),
-	                     (tuple->src.u.all | (tuple->dst.u.all << 16)),
-	                     rnd) % size);
+			     ((__force u32)tuple->dst.ip ^ tuple->dst.protonum),
+			     (tuple->src.u.all | (tuple->dst.u.all << 16)),
+			     rnd) % size);
 }
 
 static u_int32_t
@@ -219,7 +219,7 @@ struct ip_conntrack_expect *
 __ip_conntrack_expect_find(const struct ip_conntrack_tuple *tuple)
 {
 	struct ip_conntrack_expect *i;
-	
+
 	list_for_each_entry(i, &ip_conntrack_expect_list, list) {
 		if (ip_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask))
 			return i;
@@ -232,7 +232,7 @@ struct ip_conntrack_expect *
 ip_conntrack_expect_find_get(const struct ip_conntrack_tuple *tuple)
 {
 	struct ip_conntrack_expect *i;
-	
+
 	read_lock_bh(&ip_conntrack_lock);
 	i = __ip_conntrack_expect_find(tuple);
 	if (i)
@@ -398,7 +398,7 @@ ip_conntrack_find_get(const struct ip_conntrack_tuple *tuple,
 
 static void __ip_conntrack_hash_insert(struct ip_conntrack *ct,
 					unsigned int hash,
-					unsigned int repl_hash) 
+					unsigned int repl_hash)
 {
 	ct->id = ++ip_conntrack_next_id;
 	list_add(&ct->tuplehash[IP_CT_DIR_ORIGINAL].list,
@@ -446,15 +446,15 @@ __ip_conntrack_confirm(struct sk_buff **pskb)
 	/* IP_NF_ASSERT(atomic_read(&ct->ct_general.use) == 1); */
 
 	/* No external references means noone else could have
-           confirmed us. */
+	   confirmed us. */
 	IP_NF_ASSERT(!is_confirmed(ct));
 	DEBUGP("Confirming conntrack %p\n", ct);
 
 	write_lock_bh(&ip_conntrack_lock);
 
 	/* See if there's one in the list already, including reverse:
-           NAT could have grabbed it without realizing, since we're
-           not in the hash.  If there is, we lost race. */
+	   NAT could have grabbed it without realizing, since we're
+	   not in the hash.  If there is, we lost race. */
 	list_for_each_entry(h, &ip_conntrack_hash[hash], list)
 		if (ip_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
 				      &h->tuple))
@@ -602,7 +602,7 @@ ip_conntrack_proto_find_get(u_int8_t protocol)
 			p = &ip_conntrack_generic_protocol;
 	}
 	preempt_enable();
-	
+
 	return p;
 }
 
@@ -746,7 +746,7 @@ resolve_normal_ct(struct sk_buff *skb,
 
 	IP_NF_ASSERT((skb->nh.iph->frag_off & htons(IP_OFFSET)) == 0);
 
-	if (!ip_ct_get_tuple(skb->nh.iph, skb, skb->nh.iph->ihl*4, 
+	if (!ip_ct_get_tuple(skb->nh.iph, skb, skb->nh.iph->ihl*4,
 				&tuple,proto))
 		return NULL;
 
@@ -771,7 +771,7 @@ resolve_normal_ct(struct sk_buff *skb,
 		if (test_bit(IPS_SEEN_REPLY_BIT, &ct->status)) {
 			DEBUGP("ip_conntrack_in: normal packet for %p\n",
 			       ct);
-		        *ctinfo = IP_CT_ESTABLISHED;
+			*ctinfo = IP_CT_ESTABLISHED;
 		} else if (test_bit(IPS_EXPECTED_BIT, &ct->status)) {
 			DEBUGP("ip_conntrack_in: related packet for %p\n",
 			       ct);
@@ -822,7 +822,7 @@ unsigned int ip_conntrack_in(unsigned int hooknum,
 	if ((*pskb)->pkt_type == PACKET_BROADCAST) {
 		printk("Broadcast packet!\n");
 		return NF_ACCEPT;
-	} else if (((*pskb)->nh.iph->daddr & htonl(0x000000FF)) 
+	} else if (((*pskb)->nh.iph->daddr & htonl(0x000000FF))
 		   == htonl(0x000000FF)) {
 		printk("Should bcast: %u.%u.%u.%u->%u.%u.%u.%u (sk=%p, ptype=%u)\n",
 		       NIPQUAD((*pskb)->nh.iph->saddr),
@@ -836,7 +836,7 @@ unsigned int ip_conntrack_in(unsigned int hooknum,
 	/* It may be an special packet, error, unclean...
 	 * inverse of the return code tells to the netfilter
 	 * core what to do with the packet. */
-	if (proto->error != NULL 
+	if (proto->error != NULL
 	    && (ret = proto->error(*pskb, &ctinfo, hooknum)) <= 0) {
 		CONNTRACK_STAT_INC(error);
 		CONNTRACK_STAT_INC(invalid);
@@ -876,7 +876,7 @@ unsigned int ip_conntrack_in(unsigned int hooknum,
 int invert_tuplepr(struct ip_conntrack_tuple *inverse,
 		   const struct ip_conntrack_tuple *orig)
 {
-	return ip_ct_invert_tuple(inverse, orig, 
+	return ip_ct_invert_tuple(inverse, orig,
 				  __ip_conntrack_proto_find(orig->dst.protonum));
 }
 
@@ -885,7 +885,7 @@ static inline int expect_clash(const struct ip_conntrack_expect *a,
 			       const struct ip_conntrack_expect *b)
 {
 	/* Part covered by intersection of masks must be unequal,
-           otherwise they clash */
+	   otherwise they clash */
 	struct ip_conntrack_tuple intersect_mask
 		= { { a->mask.src.ip & b->mask.src.ip,
 		      { a->mask.src.u.all & b->mask.src.u.all } },
@@ -923,7 +923,7 @@ void ip_conntrack_unexpect_related(struct ip_conntrack_expect *exp)
 }
 
 /* We don't increase the master conntrack refcount for non-fulfilled
- * conntracks. During the conntrack destruction, the expectations are 
+ * conntracks. During the conntrack destruction, the expectations are
  * always killed before the conntrack itself */
 struct ip_conntrack_expect *ip_conntrack_expect_alloc(struct ip_conntrack *me)
 {
@@ -1012,7 +1012,7 @@ int ip_conntrack_expect_related(struct ip_conntrack_expect *expect)
 	}
 
 	/* Will be over limit? */
-	if (expect->master->helper->max_expected && 
+	if (expect->master->helper->max_expected &&
 	    expect->master->expecting >= expect->master->helper->max_expected)
 		evict_oldest_expect(expect->master);
 
@@ -1021,7 +1021,7 @@ int ip_conntrack_expect_related(struct ip_conntrack_expect *expect)
 	ret = 0;
 out:
 	write_unlock_bh(&ip_conntrack_lock);
- 	return ret;
+	return ret;
 }
 
 /* Alter reply tuple (maybe alter helper).  This is for NAT, and is
@@ -1069,7 +1069,7 @@ static inline void unhelp(struct ip_conntrack_tuple_hash *i,
 			  const struct ip_conntrack_helper *me)
 {
 	if (tuplehash_to_ctrack(i)->helper == me) {
- 		ip_conntrack_event(IPCT_HELPER, tuplehash_to_ctrack(i));
+		ip_conntrack_event(IPCT_HELPER, tuplehash_to_ctrack(i));
 		tuplehash_to_ctrack(i)->helper = NULL;
 	}
 }
@@ -1105,8 +1105,8 @@ void ip_conntrack_helper_unregister(struct ip_conntrack_helper *me)
 }
 
 /* Refresh conntrack for this many jiffies and do accounting if do_acct is 1 */
-void __ip_ct_refresh_acct(struct ip_conntrack *ct, 
-		        enum ip_conntrack_info ctinfo,
+void __ip_ct_refresh_acct(struct ip_conntrack *ct,
+			enum ip_conntrack_info ctinfo,
 			const struct sk_buff *skb,
 			unsigned long extra_jiffies,
 			int do_acct)
@@ -1140,7 +1140,7 @@ void __ip_ct_refresh_acct(struct ip_conntrack *ct,
 #ifdef CONFIG_IP_NF_CT_ACCT
 	if (do_acct) {
 		ct->counters[CTINFO2DIR(ctinfo)].packets++;
-		ct->counters[CTINFO2DIR(ctinfo)].bytes += 
+		ct->counters[CTINFO2DIR(ctinfo)].bytes +=
 						ntohs(skb->nh.iph->tot_len);
 		if ((ct->counters[CTINFO2DIR(ctinfo)].packets & 0x80000000)
 		    || (ct->counters[CTINFO2DIR(ctinfo)].bytes & 0x80000000))
@@ -1194,7 +1194,7 @@ ip_ct_gather_frags(struct sk_buff *skb, u_int32_t user)
 {
 	skb_orphan(skb);
 
-	local_bh_disable(); 
+	local_bh_disable();
 	skb = ip_defrag(skb, user);
 	local_bh_enable();
 
@@ -1211,7 +1211,7 @@ static void ip_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb)
 
 	/* This ICMP is in reverse direction to the packet which caused it */
 	ct = ip_conntrack_get(skb, &ctinfo);
-	
+
 	if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL)
 		ctinfo = IP_CT_RELATED + IP_CT_IS_REPLY;
 	else
@@ -1279,7 +1279,7 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
 	struct inet_sock *inet = inet_sk(sk);
 	struct ip_conntrack_tuple_hash *h;
 	struct ip_conntrack_tuple tuple;
-	
+
 	IP_CT_TUPLE_U_BLANK(&tuple);
 	tuple.src.ip = inet->rcv_saddr;
 	tuple.src.u.tcp.port = inet->sport;
@@ -1347,7 +1347,7 @@ static void free_conntrack_hash(struct list_head *hash, int vmalloced,int size)
 	if (vmalloced)
 		vfree(hash);
 	else
-		free_pages((unsigned long)hash, 
+		free_pages((unsigned long)hash,
 			   get_order(sizeof(struct list_head) * size));
 }
 
@@ -1358,8 +1358,8 @@ void ip_conntrack_cleanup(void)
 	ip_ct_attach = NULL;
 
 	/* This makes sure all current packets have passed through
-           netfilter framework.  Roll on, two-stage module
-           delete... */
+	   netfilter framework.  Roll on, two-stage module
+	   delete... */
 	synchronize_net();
 
 	ip_ct_event_cache_flush();
@@ -1385,11 +1385,11 @@ static struct list_head *alloc_hashtable(int size, int *vmalloced)
 	struct list_head *hash;
 	unsigned int i;
 
-	*vmalloced = 0; 
-	hash = (void*)__get_free_pages(GFP_KERNEL, 
+	*vmalloced = 0;
+	hash = (void*)__get_free_pages(GFP_KERNEL,
 				       get_order(sizeof(struct list_head)
 						 * size));
-	if (!hash) { 
+	if (!hash) {
 		*vmalloced = 1;
 		printk(KERN_WARNING"ip_conntrack: falling back to vmalloc.\n");
 		hash = vmalloc(sizeof(struct list_head) * size);
@@ -1422,7 +1422,7 @@ static int set_hashsize(const char *val, struct kernel_param *kp)
 	if (!hash)
 		return -ENOMEM;
 
-	/* We have to rehash for the new table anyway, so we also can 
+	/* We have to rehash for the new table anyway, so we also can
 	 * use a new random seed */
 	get_random_bytes(&rnd, 4);
 
@@ -1460,7 +1460,7 @@ int __init ip_conntrack_init(void)
 
 	/* Idea from tcp.c: use 1/16384 of memory.  On i386: 32MB
 	 * machine has 256 buckets.  >= 1GB machines have 8192 buckets. */
- 	if (!ip_conntrack_htable_size) {
+	if (!ip_conntrack_htable_size) {
 		ip_conntrack_htable_size
 			= (((num_physpages << PAGE_SHIFT) / 16384)
 			   / sizeof(struct list_head));
@@ -1490,8 +1490,8 @@ int __init ip_conntrack_init(void)
 	}
 
 	ip_conntrack_cachep = kmem_cache_create("ip_conntrack",
-	                                        sizeof(struct ip_conntrack), 0,
-	                                        0, NULL, NULL);
+						sizeof(struct ip_conntrack), 0,
+						0, NULL, NULL);
 	if (!ip_conntrack_cachep) {
 		printk(KERN_ERR "Unable to create ip_conntrack slab cache\n");
 		goto err_free_hash;

net/ipv4/netfilter/ip_conntrack_ftp.c

 /* FTP extension for IP connection tracking. */
 
-/* (C) 1999-2001 Paul `Rusty' Russell  
+/* (C) 1999-2001 Paul `Rusty' Russell
  * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -169,7 +169,7 @@ static int try_eprt(const char *data, size_t dlen, u_int32_t array[6],
 	int length;
 
 	/* First character is delimiter, then "1" for IPv4, then
-           delimiter again. */
+	   delimiter again. */
 	if (dlen <= 3) return 0;
 	delim = data[0];
 	if (isdigit(delim) || delim < 33 || delim > 126
@@ -344,14 +344,14 @@ static int help(struct sk_buff **pskb,
 	if (!find_nl_seq(ntohl(th->seq), ct_ftp_info, dir)) {
 		/* Now if this ends in \n, update ftp info. */
 		DEBUGP("ip_conntrack_ftp_help: wrong seq pos %s(%u) or %s(%u)\n",
-		       ct_ftp_info->seq_aft_nl[0][dir] 
+		       ct_ftp_info->seq_aft_nl[0][dir]
 		       old_seq_aft_nl_set ? "":"(UNSET) ", old_seq_aft_nl);
 		ret = NF_ACCEPT;
 		goto out_update_nl;
 	}
 
 	/* Initialize IP array to expected address (it's not mentioned
-           in EPSV responses) */
+	   in EPSV responses) */
 	array[0] = (ntohl(ct->tuplehash[dir].tuple.src.ip) >> 24) & 0xFF;
 	array[1] = (ntohl(ct->tuplehash[dir].tuple.src.ip) >> 16) & 0xFF;
 	array[2] = (ntohl(ct->tuplehash[dir].tuple.src.ip) >> 8) & 0xFF;
@@ -386,7 +386,7 @@ static int help(struct sk_buff **pskb,
 
 	DEBUGP("conntrack_ftp: match `%s' (%u bytes at %u)\n",
 	       fb_ptr + matchoff, matchlen, ntohl(th->seq) + matchoff);
-			 
+
 	/* Allocate expectation which will be inserted */
 	exp = ip_conntrack_expect_alloc(ct);
 	if (exp == NULL) {
@@ -504,7 +504,7 @@ static int __init ip_conntrack_ftp_init(void)
 			sprintf(tmpname, "ftp-%d", ports[i]);
 		ftp[i].name = tmpname;
 
-		DEBUGP("ip_ct_ftp: registering helper for port %d\n", 
+		DEBUGP("ip_ct_ftp: registering helper for port %d\n",
 				ports[i]);
 		ret = ip_conntrack_helper_register(&ftp[i]);
 

net/ipv4/netfilter/ip_conntrack_helper_h323.c

@@ -42,7 +42,7 @@ MODULE_PARM_DESC(gkrouted_only, "only accept calls from gatekeeper");
 static int callforward_filter = 1;
 module_param(callforward_filter, bool, 0600);
 MODULE_PARM_DESC(callforward_filter, "only create call forwarding expectations "
-		                     "if both endpoints are on different sides "
+				     "if both endpoints are on different sides "
 				     "(determined by routing information)");
 
 /* Hooks for NAT */

net/ipv4/netfilter/ip_conntrack_helper_pptp.c

@@ -560,7 +560,7 @@ conntrack_pptp_help(struct sk_buff **pskb,
 	tcph = skb_header_pointer(*pskb, nexthdr_off, sizeof(_tcph), &_tcph);
 	BUG_ON(!tcph);
 	nexthdr_off += tcph->doff * 4;
- 	datalen = tcplen - tcph->doff * 4;
+	datalen = tcplen - tcph->doff * 4;
 
 	pptph = skb_header_pointer(*pskb, nexthdr_off, sizeof(_pptph), &_pptph);
 	if (!pptph) {
@@ -624,7 +624,7 @@ static struct ip_conntrack_helper pptp = {
 	.max_expected = 2,
 	.timeout = 5 * 60,
 	.tuple = { .src = { .ip = 0,
-		 	    .u = { .tcp = { .port =
+			    .u = { .tcp = { .port =
 				    __constant_htons(PPTP_CONTROL_PORT) } }
 			  },
 		   .dst = { .ip = 0,
@@ -638,7 +638,7 @@ static struct ip_conntrack_helper pptp = {
 		  .dst = { .ip = 0,
 			   .u = { .all = 0 },
 			   .protonum = 0xff
-		 	 }
+			 }
 		},
 	.help = conntrack_pptp_help,
 	.destroy = pptp_destroy_siblings,

net/ipv4/netfilter/ip_conntrack_irc.c

 /* IRC extension for IP connection tracking, Version 1.21
  * (C) 2000-2002 by Harald Welte <laforge@gnumonks.org>
- * based on RR's ip_conntrack_ftp.c	
+ * based on RR's ip_conntrack_ftp.c
  *
  * ip_conntrack_irc.c,v 1.21 2002/02/05 14:49:26 laforge Exp
  *
@@ -12,12 +12,12 @@
  *	Module load syntax:
  * 	insmod ip_conntrack_irc.o ports=port1,port2,...port<MAX_PORTS>
  *			    max_dcc_channels=n dcc_timeout=secs
- *	
+ *
  * 	please give the ports of all IRC servers You wish to connect to.
  *	If You don't specify ports, the default will be port 6667.
  *	With max_dcc_channels you can define the maximum number of not
  *	yet answered DCC channels per IRC session (default 8).
- *	With dcc_timeout you can specify how long the system waits for 
+ *	With dcc_timeout you can specify how long the system waits for
  *	an expected DCC channel (default 300 seconds).
  *
  */
@@ -63,7 +63,7 @@ static const char *dccprotos[] = { "SEND ", "CHAT ", "MOVE ", "TSEND ", "SCHAT "
 
 #if 0
 #define DEBUGP(format, args...) printk(KERN_DEBUG "%s:%s:" format, \
-                                       __FILE__, __FUNCTION__ , ## args)
+				       __FILE__, __FUNCTION__ , ## args)
 #else
 #define DEBUGP(format, args...)
 #endif
@@ -71,7 +71,7 @@ static const char *dccprotos[] = { "SEND ", "CHAT ", "MOVE ", "TSEND ", "SCHAT "
 static int parse_dcc(char *data, char *data_end, u_int32_t *ip,
 		     u_int16_t *port, char **ad_beg_p, char **ad_end_p)
 /* tries to get the ip_addr and port out of a dcc command
-   return value: -1 on failure, 0 on success 
+   return value: -1 on failure, 0 on success
 	data		pointer to first byte of DCC command data
 	data_end	pointer to last byte of dcc command data
 	ip		returns parsed ip of dcc command
@@ -90,7 +90,7 @@ static int parse_dcc(char *data, char *data_end, u_int32_t *ip,
 
 	/* skip blanks between ip and port */
 	while (*data == ' ') {
-		if (data >= data_end) 
+		if (data >= data_end)
 			return -1;
 		data++;
 	}
@@ -171,7 +171,7 @@ static int help(struct sk_buff **pskb,
 
 			DEBUGP("DCC %s detected\n", dccprotos[i]);
 			data += strlen(dccprotos[i]);
-			/* we have at least 
+			/* we have at least
 			 * (19+MINMATCHLEN)-5-dccprotos[i].matchlen bytes valid
 			 * data left (== 14/13 bytes) */
 			if (parse_dcc((char *)data, data_limit, &dcc_ip,
@@ -260,7 +260,7 @@ static int __init ip_conntrack_irc_init(void)
 	irc_buffer = kmalloc(65536, GFP_KERNEL);
 	if (!irc_buffer)
 		return -ENOMEM;
-	
+
 	/* If no port given, default to standard irc port */
 	if (ports_c == 0)
 		ports[ports_c++] = IRC_PORT;
@@ -297,7 +297,7 @@ static int __init ip_conntrack_irc_init(void)
 	return 0;
 }
 
-/* This function is intentionally _NOT_ defined as __exit, because 
+/* This function is intentionally _NOT_ defined as __exit, because
  * it is needed by the init function */
 static void ip_conntrack_irc_fini(void)
 {

net/ipv4/netfilter/ip_conntrack_netbios_ns.c

@@ -42,7 +42,7 @@ module_param(timeout, uint, 0400);
 MODULE_PARM_DESC(timeout, "timeout for master connection/replies in seconds");
 
 static int help(struct sk_buff **pskb,
-                struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
+		struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
 {
 	struct ip_conntrack_expect *exp;
 	struct iphdr *iph = (*pskb)->nh.iph;

net/ipv4/netfilter/ip_conntrack_netlink.c

@@ -6,10 +6,10 @@
  * (C) 2003 by Patrick Mchardy <kaber@trash.net>
  * (C) 2005-2006 by Pablo Neira Ayuso <pablo@eurodev.net>
  *
- * I've reworked this stuff to use attributes instead of conntrack 
+ * I've reworked this stuff to use attributes instead of conntrack
  * structures. 5.44 am. I need more tea. --pablo 05/07/11.
  *
- * Initial connection tracking via netlink development funded and 
+ * Initial connection tracking via netlink development funded and
  * generally made possible by Network Robots, Inc. (www.networkrobots.com)
  *
  * Further development of this code funded by Astaro AG (http://www.astaro.com)
@@ -45,7 +45,7 @@ MODULE_LICENSE("GPL");
 static char __initdata version[] = "0.90";
 
 static inline int
-ctnetlink_dump_tuples_proto(struct sk_buff *skb, 
+ctnetlink_dump_tuples_proto(struct sk_buff *skb,
 			    const struct ip_conntrack_tuple *tuple,
 			    struct ip_conntrack_protocol *proto)
 {
@@ -56,7 +56,7 @@ ctnetlink_dump_tuples_proto(struct sk_buff *skb,
 
 	if (likely(proto->tuple_to_nfattr))
 		ret = proto->tuple_to_nfattr(skb, tuple);
-	
+
 	NFA_NEST_END(skb, nest_parms);
 
 	return ret;
@@ -70,7 +70,7 @@ ctnetlink_dump_tuples_ip(struct sk_buff *skb,
 			 const struct ip_conntrack_tuple *tuple)
 {
 	struct nfattr *nest_parms = NFA_NEST(skb, CTA_TUPLE_IP);
-	
+
 	NFA_PUT(skb, CTA_IP_V4_SRC, sizeof(__be32), &tuple->src.ip);
 	NFA_PUT(skb, CTA_IP_V4_DST, sizeof(__be32), &tuple->dst.ip);
 
@@ -121,7 +121,7 @@ ctnetlink_dump_timeout(struct sk_buff *skb, const struct ip_conntrack *ct)
 		timeout = 0;
 	else
 		timeout = htonl(timeout_l / HZ);
-	
+
 	NFA_PUT(skb, CTA_TIMEOUT, sizeof(timeout), &timeout);
 	return 0;
 
@@ -141,7 +141,7 @@ ctnetlink_dump_protoinfo(struct sk_buff *skb, const struct ip_conntrack *ct)
 		ip_conntrack_proto_put(proto);
 		return 0;
 	}
-	
+
 	nest_proto = NFA_NEST(skb, CTA_PROTOINFO);
 
 	ret = proto->to_nfattr(skb, nest_proto, ct);
@@ -164,7 +164,7 @@ ctnetlink_dump_helpinfo(struct sk_buff *skb, const struct ip_conntrack *ct)
 
 	if (!ct->helper)
 		return 0;
-		
+
 	nest_helper = NFA_NEST(skb, CTA_HELP);
 	NFA_PUT(skb, CTA_HELP_NAME, strlen(ct->helper->name), ct->helper->name);
 
@@ -236,7 +236,7 @@ static inline int
 ctnetlink_dump_use(struct sk_buff *skb, const struct ip_conntrack *ct)
 {
 	__be32 use = htonl(atomic_read(&ct->ct_general.use));
-	
+
 	NFA_PUT(skb, CTA_USE, sizeof(__be32), &use);
 	return 0;
 
@@ -248,7 +248,7 @@ ctnetlink_dump_use(struct sk_buff *skb, const struct ip_conntrack *ct)
 
 static int
 ctnetlink_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
-		    int event, int nowait, 
+		    int event, int nowait,
 		    const struct ip_conntrack *ct)
 {
 	struct nlmsghdr *nlh;
@@ -271,7 +271,7 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
 	if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_ORIGINAL)) < 0)
 		goto nfattr_failure;
 	NFA_NEST_END(skb, nest_parms);
-	
+
 	nest_parms = NFA_NEST(skb, CTA_TUPLE_REPLY);
 	if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_REPLY)) < 0)
 		goto nfattr_failure;
@@ -299,7 +299,7 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
 
 #ifdef CONFIG_IP_NF_CONNTRACK_EVENTS
 static int ctnetlink_conntrack_event(struct notifier_block *this,
-                                     unsigned long events, void *ptr)
+				     unsigned long events, void *ptr)
 {
 	struct nlmsghdr *nlh;
 	struct nfgenmsg *nfmsg;
@@ -324,7 +324,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
 	} else if (events & (IPCT_STATUS | IPCT_PROTOINFO)) {
 		type = IPCTNL_MSG_CT_NEW;
 		group = NFNLGRP_CONNTRACK_UPDATE;
-	} else 
+	} else
 		return NOTIFY_DONE;
 
 	if (!nfnetlink_has_listeners(group))
@@ -349,7 +349,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
 	if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_ORIGINAL)) < 0)
 		goto nfattr_failure;
 	NFA_NEST_END(skb, nest_parms);
-	
+
 	nest_parms = NFA_NEST(skb, CTA_TUPLE_REPLY);
 	if (ctnetlink_dump_tuples(skb, tuple(ct, IP_CT_DIR_REPLY)) < 0)
 		goto nfattr_failure;
@@ -368,16 +368,16 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
 
 		if (events & IPCT_PROTOINFO
 		    && ctnetlink_dump_protoinfo(skb, ct) < 0)
-		    	goto nfattr_failure;
+			goto nfattr_failure;
 
 		if ((events & IPCT_HELPER || ct->helper)
 		    && ctnetlink_dump_helpinfo(skb, ct) < 0)
-		    	goto nfattr_failure;
+			goto nfattr_failure;
 
 #ifdef CONFIG_IP_NF_CONNTRACK_MARK
 		if ((events & IPCT_MARK || ct->mark)
 		    && ctnetlink_dump_mark(skb, ct) < 0)
-		    	goto nfattr_failure;
+			goto nfattr_failure;
 #endif
 
 		if (events & IPCT_COUNTER_FILLING &&
@@ -426,7 +426,7 @@ ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
 				cb->args[1] = 0;
 			}
 			if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
-		                        	cb->nlh->nlmsg_seq,
+						cb->nlh->nlmsg_seq,
 						IPCTNL_MSG_CT_NEW,
 						1, ct) < 0) {
 				nf_conntrack_get(&ct->ct_general);
@@ -488,7 +488,7 @@ static const size_t cta_min_proto[CTA_PROTO_MAX] = {
 };
 
 static inline int
-ctnetlink_parse_tuple_proto(struct nfattr *attr, 
+ctnetlink_parse_tuple_proto(struct nfattr *attr,
 			    struct ip_conntrack_tuple *tuple)
 {
 	struct nfattr *tb[CTA_PROTO_MAX];
@@ -508,9 +508,9 @@ ctnetlink_parse_tuple_proto(struct nfattr *attr,
 
 	if (likely(proto->nfattr_to_tuple))
 		ret = proto->nfattr_to_tuple(tb, tuple);
-	
+
 	ip_conntrack_proto_put(proto);
-	
+
 	return ret;
 }
 
@@ -595,7 +595,7 @@ ctnetlink_parse_nat(struct nfattr *nat,
 	int err;
 
 	memset(range, 0, sizeof(*range));
-	
+
 	nfattr_parse_nested(tb, CTA_NAT_MAX, nat);
 
 	if (nfattr_bad_size(tb, CTA_NAT_MAX, cta_min_nat))
@@ -647,7 +647,7 @@ static const size_t cta_min[CTA_MAX] = {
 };
 
 static int
-ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb, 
+ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
 {
 	struct ip_conntrack_tuple_hash *h;
@@ -676,14 +676,14 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,
 		return -ENOENT;
 
 	ct = tuplehash_to_ctrack(h);
-	
+
 	if (cda[CTA_ID-1]) {
 		u_int32_t id = ntohl(*(__be32 *)NFA_DATA(cda[CTA_ID-1]));
 		if (ct->id != id) {
 			ip_conntrack_put(ct);
 			return -ENOENT;
 		}
-	}	
+	}
 	if (del_timer(&ct->timeout))
 		ct->timeout.function((unsigned long)ct);
 
@@ -693,7 +693,7 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,
 }
 
 static int
-ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb, 
+ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
 {
 	struct ip_conntrack_tuple_hash *h;
@@ -714,8 +714,8 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			return -ENOTSUPP;
 #endif
 		if ((*errp = netlink_dump_start(ctnl, skb, nlh,
-	      		                        ctnetlink_dump_table,
-	                                	ctnetlink_done)) != 0)
+						ctnetlink_dump_table,
+						ctnetlink_done)) != 0)
 			return -EINVAL;
 
 		rlen = NLMSG_ALIGN(nlh->nlmsg_len);
@@ -751,7 +751,7 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
 		return -ENOMEM;
 	}
 
-	err = ctnetlink_fill_info(skb2, NETLINK_CB(skb).pid, nlh->nlmsg_seq, 
+	err = ctnetlink_fill_info(skb2, NETLINK_CB(skb).pid, nlh->nlmsg_seq,
 				  IPCTNL_MSG_CT_NEW, 1, ct);
 	ip_conntrack_put(ct);
 	if (err <= 0)
@@ -779,12 +779,12 @@ ctnetlink_change_status(struct ip_conntrack *ct, struct nfattr *cda[])
 	if (d & (IPS_EXPECTED|IPS_CONFIRMED|IPS_DYING))
 		/* unchangeable */
 		return -EINVAL;
-	
+
 	if (d & IPS_SEEN_REPLY && !(status & IPS_SEEN_REPLY))
 		/* SEEN_REPLY bit can only be set */
 		return -EINVAL;
 
-	
+
 	if (d & IPS_ASSURED && !(status & IPS_ASSURED))
 		/* ASSURED bit can only be set */
 		return -EINVAL;
@@ -857,7 +857,7 @@ ctnetlink_change_helper(struct ip_conntrack *ct, struct nfattr *cda[])
 			memset(&ct->help, 0, sizeof(ct->help));
 		}
 	}
-	
+
 	ct->helper = helper;
 
 	return 0;
@@ -867,7 +867,7 @@ static inline int
 ctnetlink_change_timeout(struct ip_conntrack *ct, struct nfattr *cda[])
 {
 	u_int32_t timeout = ntohl(*(__be32 *)NFA_DATA(cda[CTA_TIMEOUT-1]));
-	
+
 	if (!del_timer(&ct->timeout))
 		return -ETIME;
 
@@ -891,7 +891,7 @@ ctnetlink_change_protoinfo(struct ip_conntrack *ct, struct nfattr *cda[])
 
 	if (proto->from_nfattr)
 		err = proto->from_nfattr(tb, ct);
-	ip_conntrack_proto_put(proto); 
+	ip_conntrack_proto_put(proto);
 
 	return err;
 }
@@ -934,7 +934,7 @@ ctnetlink_change_conntrack(struct ip_conntrack *ct, struct nfattr *cda[])
 }
 
 static int
-ctnetlink_create_conntrack(struct nfattr *cda[], 
+ctnetlink_create_conntrack(struct nfattr *cda[],
 			   struct ip_conntrack_tuple *otuple,
 			   struct ip_conntrack_tuple *rtuple)
 {
@@ -943,7 +943,7 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
 
 	ct = ip_conntrack_alloc(otuple, rtuple);
 	if (ct == NULL || IS_ERR(ct))
-		return -ENOMEM;	
+		return -ENOMEM;
 
 	if (!cda[CTA_TIMEOUT-1])
 		goto err;
@@ -979,13 +979,13 @@ ctnetlink_create_conntrack(struct nfattr *cda[],
 
 	return 0;
 
-err:	
+err:
 	ip_conntrack_free(ct);
 	return err;
 }
 
-static int 
-ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb, 
+static int
+ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
 {
 	struct ip_conntrack_tuple otuple, rtuple;
@@ -1039,9 +1039,9 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
 	return err;
 }
 
-/*********************************************************************** 
- * EXPECT 
- ***********************************************************************/ 
+/***********************************************************************
+ * EXPECT
+ ***********************************************************************/
 
 static inline int
 ctnetlink_exp_dump_tuple(struct sk_buff *skb,
@@ -1049,7 +1049,7 @@ ctnetlink_exp_dump_tuple(struct sk_buff *skb,
 			 enum ctattr_expect type)
 {
 	struct nfattr *nest_parms = NFA_NEST(skb, type);
-	
+
 	if (ctnetlink_dump_tuples(skb, tuple) < 0)
 		goto nfattr_failure;
 
@@ -1059,7 +1059,7 @@ ctnetlink_exp_dump_tuple(struct sk_buff *skb,
 
 nfattr_failure:
 	return -1;
-}			
+}
 
 static inline int
 ctnetlink_exp_dump_mask(struct sk_buff *skb,
@@ -1090,7 +1090,7 @@ ctnetlink_exp_dump_mask(struct sk_buff *skb,
 
 static inline int
 ctnetlink_exp_dump_expect(struct sk_buff *skb,
-                          const struct ip_conntrack_expect *exp)
+			  const struct ip_conntrack_expect *exp)
 {
 	struct ip_conntrack *master = exp->master;
 	__be32 timeout = htonl((exp->timeout.expires - jiffies) / HZ);
@@ -1104,20 +1104,20 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb,
 				 &master->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
 				 CTA_EXPECT_MASTER) < 0)
 		goto nfattr_failure;
-	
+
 	NFA_PUT(skb, CTA_EXPECT_TIMEOUT, sizeof(__be32), &timeout);
 	NFA_PUT(skb, CTA_EXPECT_ID, sizeof(__be32), &id);
 
 	return 0;
-	
+
 nfattr_failure:
 	return -1;
 }
 
 static int
 ctnetlink_exp_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
-		    int event, 
-		    int nowait, 
+		    int event,
+		    int nowait,
 		    const struct ip_conntrack_expect *exp)
 {
 	struct nlmsghdr *nlh;
@@ -1216,7 +1216,7 @@ ctnetlink_exp_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
 			goto out;
 		*id = exp->id;
 	}
-out:	
+out:
 	read_unlock_bh(&ip_conntrack_lock);
 
 	return skb->len;
@@ -1228,7 +1228,7 @@ static const size_t cta_min_exp[CTA_EXPECT_MAX] = {
 };
 
 static int
-ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb, 
+ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
 		     struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
 {
 	struct ip_conntrack_tuple tuple;
@@ -1247,7 +1247,7 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
 			return -EAFNOSUPPORT;
 
 		if ((*errp = netlink_dump_start(ctnl, skb, nlh,
-		    				ctnetlink_exp_dump_table,
+						ctnetlink_exp_dump_table,
 						ctnetlink_done)) != 0)
 			return -EINVAL;
 		rlen = NLMSG_ALIGN(nlh->nlmsg_len);
@@ -1275,14 +1275,14 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
 			ip_conntrack_expect_put(exp);
 			return -ENOENT;
 		}
-	}	
+	}
 
 	err = -ENOMEM;
 	skb2 = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
 	if (!skb2)
 		goto out;
 
-	err = ctnetlink_exp_fill_info(skb2, NETLINK_CB(skb).pid, 
+	err = ctnetlink_exp_fill_info(skb2, NETLINK_CB(skb).pid,
 				      nlh->nlmsg_seq, IPCTNL_MSG_EXP_NEW,
 				      1, exp);
 	if (err <= 0)
@@ -1300,7 +1300,7 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
 }
 
 static int
-ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb, 
+ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
 		     struct nlmsghdr *nlh, struct nfattr *cda[], int *errp)
 {
 	struct ip_conntrack_expect *exp, *tmp;
@@ -1333,7 +1333,7 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
 
 		/* after list removal, usage count == 1 */
 		ip_conntrack_unexpect_related(exp);
-		/* have to put what we 'get' above. 
+		/* have to put what we 'get' above.
 		 * after this line usage count == 0 */
 		ip_conntrack_expect_put(exp);
 	} else if (cda[CTA_EXPECT_HELP_NAME-1]) {
@@ -1348,7 +1348,7 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
 		}
 		list_for_each_entry_safe(exp, tmp, &ip_conntrack_expect_list,
 					 list) {
-			if (exp->master->helper == h 
+			if (exp->master->helper == h
 			    && del_timer(&exp->timeout)) {
 				ip_ct_unlink_expect(exp);
 				ip_conntrack_expect_put(exp);
@@ -1413,7 +1413,7 @@ ctnetlink_create_expect(struct nfattr *cda[])
 		err = -ENOMEM;
 		goto out;
 	}
-	
+
 	exp->expectfn = NULL;
 	exp->flags = 0;
 	exp->master = ct;
@@ -1423,7 +1423,7 @@ ctnetlink_create_expect(struct nfattr *cda[])
 	err = ip_conntrack_expect_related(exp);
 	ip_conntrack_expect_put(exp);
 
-out:	
+out:
 	ip_conntrack_put(tuplehash_to_ctrack(h));
 	return err;
 }

net/ipv4/netfilter/ip_conntrack_proto_icmp.c

@@ -94,9 +94,9 @@ static int icmp_packet(struct ip_conntrack *ct,
 		       enum ip_conntrack_info ctinfo)
 {
 	/* Try to delete connection immediately after all replies:
-           won't actually vanish as we still have skb, and del_timer
-           means this will only run once even if count hits zero twice
-           (theoretically possible with SMP) */
+	   won't actually vanish as we still have skb, and del_timer
+	   means this will only run once even if count hits zero twice
+	   (theoretically possible with SMP) */
 	if (CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY) {
 		if (atomic_dec_and_test(&ct->proto.icmp.count)
 		    && del_timer(&ct->timeout))
@@ -114,11 +114,11 @@ static int icmp_packet(struct ip_conntrack *ct,
 static int icmp_new(struct ip_conntrack *conntrack,
 		    const struct sk_buff *skb)
 {
-	static const u_int8_t valid_new[] = { 
+	static const u_int8_t valid_new[] = {
 		[ICMP_ECHO] = 1,
 		[ICMP_TIMESTAMP] = 1,
 		[ICMP_INFO_REQUEST] = 1,
-		[ICMP_ADDRESS] = 1 
+		[ICMP_ADDRESS] = 1
 	};
 
 	if (conntrack->tuplehash[0].tuple.dst.u.icmp.type >= sizeof(valid_new)
@@ -282,7 +282,7 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
 	    || !tb[CTA_PROTO_ICMP_ID-1])
 		return -EINVAL;
 
-	tuple->dst.u.icmp.type = 
+	tuple->dst.u.icmp.type =
 			*(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_TYPE-1]);
 	tuple->dst.u.icmp.code =
 			*(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_CODE-1]);

net/ipv4/netfilter/ip_conntrack_proto_sctp.c

 /*
  * 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");
 }

net/ipv4/netfilter/ip_conntrack_proto_udp.c

@@ -70,7 +70,7 @@ static int udp_packet(struct ip_conntrack *conntrack,
 	/* If we've seen traffic both ways, this is some kind of UDP
 	   stream.  Extend timeout. */
 	if (test_bit(IPS_SEEN_REPLY_BIT, &conntrack->status)) {
-		ip_ct_refresh_acct(conntrack, ctinfo, skb, 
+		ip_ct_refresh_acct(conntrack, ctinfo, skb,
 				   ip_ct_udp_timeout_stream);
 		/* Also, more likely to be important, and not a probe */
 		if (!test_and_set_bit(IPS_ASSURED_BIT, &conntrack->status))
@@ -102,7 +102,7 @@ static int udp_error(struct sk_buff *skb, enum ip_conntrack_info *ctinfo,
 				  "ip_ct_udp: short packet ");
 		return -NF_ACCEPT;
 	}
-	
+
 	/* Truncated/malformed packets */
 	if (ntohs(hdr->len) > udplen || ntohs(hdr->len) < sizeof(*hdr)) {
 		if (LOG_INVALID(IPPROTO_UDP))
@@ -110,7 +110,7 @@ static int udp_error(struct sk_buff *skb, enum ip_conntrack_info *ctinfo,
 				  "ip_ct_udp: truncated/malformed packet ");
 		return -NF_ACCEPT;
 	}
-	
+
 	/* Packet with no checksum */
 	if (!hdr->check)
 		return NF_ACCEPT;
@@ -126,7 +126,7 @@ static int udp_error(struct sk_buff *skb, enum ip_conntrack_info *ctinfo,
 				  "ip_ct_udp: bad UDP checksum ");
 		return -NF_ACCEPT;
 	}
-	
+
 	return NF_ACCEPT;
 }
 

net/ipv4/netfilter/ip_conntrack_sip.c

@@ -321,7 +321,7 @@ int ct_sip_get_info(const char *dptr, size_t dlen,
 			continue;
 		}
 		aux = ct_sip_search(hnfo->ln_str, dptr, hnfo->ln_strlen,
-		                    ct_sip_lnlen(dptr, limit),
+				    ct_sip_lnlen(dptr, limit),
 				    hnfo->case_sensitive);
 		if (!aux) {
 			DEBUGP("'%s' not found in '%s'.\n", hnfo->ln_str,
@@ -406,7 +406,7 @@ static int sip_help(struct sk_buff **pskb,
 	if (dataoff >= (*pskb)->len) {
 		DEBUGP("skb->len = %u\n", (*pskb)->len);
 		return NF_ACCEPT;
-        }
+	}
 
 	ip_ct_refresh(ct, *pskb, sip_timeout * HZ);
 
@@ -439,16 +439,16 @@ static int sip_help(struct sk_buff **pskb,
 	}
 	/* Get ip and port address from SDP packet. */
 	if (ct_sip_get_info(dptr, datalen, &matchoff, &matchlen,
-	                    POS_CONNECTION) > 0) {
+			    POS_CONNECTION) > 0) {
 
 		/* We'll drop only if there are parse problems. */
 		if (parse_ipaddr(dptr + matchoff, NULL, &ipaddr,
-		                 dptr + datalen) < 0) {
+				 dptr + datalen) < 0) {
 			ret = NF_DROP;
 			goto out;
 		}
 		if (ct_sip_get_info(dptr, datalen, &matchoff, &matchlen,
-		                    POS_MEDIA) > 0) {
+				    POS_MEDIA) > 0) {
 
 			port = simple_strtoul(dptr + matchoff, NULL, 10);
 			if (port < 1024) {

net/ipv4/netfilter/ip_conntrack_standalone.c

@@ -46,7 +46,7 @@ DECLARE_PER_CPU(struct ip_conntrack_stat, ip_conntrack_stat);
 
 static int kill_proto(struct ip_conntrack *i, void *data)
 {
-	return (i->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum == 
+	return (i->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum ==
 			*((u_int8_t *) data));
 }
 
@@ -124,12 +124,12 @@ static void *ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
 	(*pos)++;
 	return ct_get_next(s, v);
 }
-  
+
 static void ct_seq_stop(struct seq_file *s, void *v)
 {
 	read_unlock_bh(&ip_conntrack_lock);
 }
- 
+
 static int ct_seq_show(struct seq_file *s, void *v)
 {
 	const struct ip_conntrack_tuple_hash *hash = v;
@@ -155,12 +155,12 @@ static int ct_seq_show(struct seq_file *s, void *v)
 
 	if (proto->print_conntrack(s, conntrack))
 		return -ENOSPC;
-  
+
 	if (print_tuple(s, &conntrack->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
 			proto))
 		return -ENOSPC;
 
- 	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_ORIGINAL]))
+	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_ORIGINAL]))
 		return -ENOSPC;
 
 	if (!(test_bit(IPS_SEEN_REPLY_BIT, &conntrack->status)))
@@ -171,7 +171,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
 			proto))
 		return -ENOSPC;
 
- 	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_REPLY]))
+	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_REPLY]))
 		return -ENOSPC;
 
 	if (test_bit(IPS_ASSURED_BIT, &conntrack->status))
@@ -200,7 +200,7 @@ static struct seq_operations ct_seq_ops = {
 	.stop  = ct_seq_stop,
 	.show  = ct_seq_show
 };
-  
+
 static int ct_open(struct inode *inode, struct file *file)
 {
 	struct seq_file *seq;
@@ -229,7 +229,7 @@ static struct file_operations ct_file_ops = {
 	.llseek  = seq_lseek,
 	.release = seq_release_private,
 };
-  
+
 /* expects */
 static void *exp_seq_start(struct seq_file *s, loff_t *pos)
 {
@@ -253,7 +253,7 @@ static void *exp_seq_start(struct seq_file *s, loff_t *pos)
 
 static void *exp_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
- 	struct list_head *e = v;
+	struct list_head *e = v;
 
 	++*pos;
 	e = e->next;
@@ -297,7 +297,7 @@ static int exp_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &exp_seq_ops);
 }
-  
+
 static struct file_operations exp_file_ops = {
 	.owner   = THIS_MODULE,
 	.open    = exp_open,
@@ -426,14 +426,14 @@ static unsigned int ip_conntrack_help(unsigned int hooknum,
 }
 
 static unsigned int ip_conntrack_defrag(unsigned int hooknum,
-				        struct sk_buff **pskb,
-				        const struct net_device *in,
-				        const struct net_device *out,
-				        int (*okfn)(struct sk_buff *))
+					struct sk_buff **pskb,
+					const struct net_device *in,
+					const struct net_device *out,
+					int (*okfn)(struct sk_buff *))
 {
 #if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE)
 	/* Previously seen (loopback)?  Ignore.  Do this before
-           fragment check. */
+	   fragment check. */
 	if ((*pskb)->nfct)
 		return NF_ACCEPT;
 #endif
@@ -441,7 +441,7 @@ static unsigned int ip_conntrack_defrag(unsigned int hooknum,
 	/* Gather fragments. */
 	if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) {
 		*pskb = ip_ct_gather_frags(*pskb,
-		                           hooknum == NF_IP_PRE_ROUTING ? 
+					   hooknum == NF_IP_PRE_ROUTING ?
 					   IP_DEFRAG_CONNTRACK_IN :
 					   IP_DEFRAG_CONNTRACK_OUT);
 		if (!*pskb)
@@ -776,7 +776,7 @@ 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 }

net/ipv4/netfilter/ip_conntrack_tftp.c

@@ -33,7 +33,7 @@ MODULE_PARM_DESC(ports, "port numbers of tftp servers");
 
 #if 0
 #define DEBUGP(format, args...) printk("%s:%s:" format, \
-                                       __FILE__, __FUNCTION__ , ## args)
+				       __FILE__, __FUNCTION__ , ## args)
 #else
 #define DEBUGP(format, args...)
 #endif
@@ -113,7 +113,7 @@ static void ip_conntrack_tftp_fini(void)
 		DEBUGP("unregistering helper for port %d\n",
 			ports[i]);
 		ip_conntrack_helper_unregister(&tftp[i]);
-	} 
+	}
 }
 
 static int __init ip_conntrack_tftp_init(void)

net/ipv4/netfilter/ip_nat_irc.c

@@ -88,8 +88,8 @@ static unsigned int help(struct sk_buff **pskb,
 	DEBUGP("ip_nat_irc: Inserting '%s' == %u.%u.%u.%u, port %u\n",
 	       buffer, NIPQUAD(exp->tuple.src.ip), port);
 
-	ret = ip_nat_mangle_tcp_packet(pskb, exp->master, ctinfo, 
-				       matchoff, matchlen, buffer, 
+	ret = ip_nat_mangle_tcp_packet(pskb, exp->master, ctinfo,
+				       matchoff, matchlen, buffer,
 				       strlen(buffer));
 	if (ret != NF_ACCEPT)
 		ip_conntrack_unexpect_related(exp);