[NET] IPV6: Fix whitespace errors.

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

net/ipv6/addrconf.c

@@ -3,7 +3,7 @@
  *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *	Alexey Kuznetsov	<kuznet@ms2.inr.ac.ru>
  *
  *	$Id: addrconf.c,v 1.69 2001/10/31 21:55:54 davem Exp $
@@ -105,7 +105,7 @@ static void addrconf_sysctl_unregister(struct ipv6_devconf *p);
 
 #ifdef CONFIG_IPV6_PRIVACY
 static int __ipv6_regen_rndid(struct inet6_dev *idev);
-static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr); 
+static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr);
 static void ipv6_regen_rndid(unsigned long data);
 
 static int desync_factor = MAX_DESYNC_FACTOR * HZ;
@@ -137,7 +137,7 @@ static void addrconf_rs_timer(unsigned long data);
 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
 
-static void inet6_prefix_notify(int event, struct inet6_dev *idev, 
+static void inet6_prefix_notify(int event, struct inet6_dev *idev,
 				struct prefix_info *pinfo);
 static int ipv6_chk_same_addr(const struct in6_addr *addr, struct net_device *dev);
 
@@ -241,7 +241,7 @@ int __ipv6_addr_type(const struct in6_addr *addr)
 	 */
 	if ((st & htonl(0xE0000000)) != htonl(0x00000000) &&
 	    (st & htonl(0xE0000000)) != htonl(0xE0000000))
-		return (IPV6_ADDR_UNICAST | 
+		return (IPV6_ADDR_UNICAST |
 			IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));
 
 	if ((st & htonl(0xFF000000)) == htonl(0xFF000000)) {
@@ -252,7 +252,7 @@ int __ipv6_addr_type(const struct in6_addr *addr)
 	}
 
 	if ((st & htonl(0xFFC00000)) == htonl(0xFE800000))
-		return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST | 
+		return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST |
 			IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL));		/* addr-select 3.1 */
 	if ((st & htonl(0xFFC00000)) == htonl(0xFEC00000))
 		return (IPV6_ADDR_SITELOCAL | IPV6_ADDR_UNICAST |
@@ -272,11 +272,11 @@ int __ipv6_addr_type(const struct in6_addr *addr)
 		}
 
 		if (addr->s6_addr32[2] == htonl(0x0000ffff))
-			return (IPV6_ADDR_MAPPED | 
+			return (IPV6_ADDR_MAPPED |
 				IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));	/* addr-select 3.3 */
 	}
 
-	return (IPV6_ADDR_RESERVED | 
+	return (IPV6_ADDR_RESERVED |
 		IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));	/* addr-select 3.4 */
 }
 
@@ -348,10 +348,10 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 	if (dev->mtu < IPV6_MIN_MTU)
 		return NULL;
 
- 	ndev = kzalloc(sizeof(struct inet6_dev), GFP_KERNEL);
+	ndev = kzalloc(sizeof(struct inet6_dev), GFP_KERNEL);
 
- 	if (ndev == NULL)
- 		return NULL;
+	if (ndev == NULL)
+		return NULL;
 
 	rwlock_init(&ndev->lock);
 	ndev->dev = dev;
@@ -462,7 +462,7 @@ static void dev_forward_change(struct inet6_dev *idev)
 	dev = idev->dev;
 	if (dev && (dev->flags & IFF_MULTICAST)) {
 		ipv6_addr_all_routers(&addr);
-	
+
 		if (idev->cnf.forwarding)
 			ipv6_dev_mc_inc(dev, &addr);
 		else
@@ -817,8 +817,8 @@ retry:
 	tmp_valid_lft = min_t(__u32,
 			      ifp->valid_lft,
 			      idev->cnf.temp_valid_lft);
-	tmp_prefered_lft = min_t(__u32, 
-				 ifp->prefered_lft, 
+	tmp_prefered_lft = min_t(__u32,
+				 ifp->prefered_lft,
 				 idev->cnf.temp_prefered_lft - desync_factor / HZ);
 	tmp_plen = ifp->prefix_len;
 	max_addresses = idev->cnf.max_addresses;
@@ -828,7 +828,7 @@ retry:
 
 	write_unlock(&idev->lock);
 	ift = !max_addresses ||
-	      ipv6_count_addresses(idev) < max_addresses ? 
+	      ipv6_count_addresses(idev) < max_addresses ?
 		ipv6_add_addr(idev, &addr, tmp_plen,
 			      ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK, IFA_F_TEMPORARY) : NULL;
 	if (!ift || IS_ERR(ift)) {
@@ -1160,7 +1160,7 @@ record_it:
 
 	if (!ifa_result)
 		return -EADDRNOTAVAIL;
-	
+
 	ipv6_addr_copy(saddr, &ifa_result->addr);
 	in6_ifa_put(ifa_result);
 	return 0;
@@ -1475,7 +1475,7 @@ regen:
 	 *  - value 0
 	 *  - XXX: already assigned to an address on the device
 	 */
-	if (idev->rndid[0] == 0xfd && 
+	if (idev->rndid[0] == 0xfd &&
 	    (idev->rndid[1]&idev->rndid[2]&idev->rndid[3]&idev->rndid[4]&idev->rndid[5]&idev->rndid[6]) == 0xff &&
 	    (idev->rndid[7]&0x80))
 		goto regen;
@@ -1502,9 +1502,9 @@ static void ipv6_regen_rndid(unsigned long data)
 
 	if (__ipv6_regen_rndid(idev) < 0)
 		goto out;
-	
+
 	expires = jiffies +
-		idev->cnf.temp_prefered_lft * HZ - 
+		idev->cnf.temp_prefered_lft * HZ -
 		idev->cnf.regen_max_retry * idev->cnf.dad_transmits * idev->nd_parms->retrans_time - desync_factor;
 	if (time_before(expires, jiffies)) {
 		printk(KERN_WARNING
@@ -1630,12 +1630,12 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 	struct inet6_dev *in6_dev;
 
 	pinfo = (struct prefix_info *) opt;
-	
+
 	if (len < sizeof(struct prefix_info)) {
 		ADBG(("addrconf: prefix option too short\n"));
 		return;
 	}
-	
+
 	/*
 	 *	Validation checks ([ADDRCONF], page 19)
 	 */
@@ -1827,7 +1827,7 @@ ok:
 				 * When a new public address is created as described in [ADDRCONF],
 				 * also create a new temporary address.
 				 */
-				read_unlock_bh(&in6_dev->lock); 
+				read_unlock_bh(&in6_dev->lock);
 				ipv6_create_tempaddr(ifp, NULL);
 			} else {
 				read_unlock_bh(&in6_dev->lock);
@@ -1913,14 +1913,14 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
 	int scope;
 
 	ASSERT_RTNL();
-	
+
 	/* check the lifetime */
 	if (!valid_lft || prefered_lft > valid_lft)
 		return -EINVAL;
 
 	if ((dev = __dev_get_by_index(ifindex)) == NULL)
 		return -ENODEV;
-	
+
 	if ((idev = addrconf_add_dev(dev)) == NULL)
 		return -ENOBUFS;
 
@@ -1960,7 +1960,7 @@ static int inet6_addr_del(int ifindex, struct in6_addr *pfx, int plen)
 	struct inet6_ifaddr *ifp;
 	struct inet6_dev *idev;
 	struct net_device *dev;
-	
+
 	if ((dev = __dev_get_by_index(ifindex)) == NULL)
 		return -ENODEV;
 
@@ -1973,7 +1973,7 @@ static int inet6_addr_del(int ifindex, struct in6_addr *pfx, int plen)
 		    ipv6_addr_equal(pfx, &ifp->addr)) {
 			in6_ifa_hold(ifp);
 			read_unlock_bh(&idev->lock);
-			
+
 			ipv6_del_addr(ifp);
 
 			/* If the last address is deleted administratively,
@@ -1993,10 +1993,10 @@ int addrconf_add_ifaddr(void __user *arg)
 {
 	struct in6_ifreq ireq;
 	int err;
-	
+
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
-	
+
 	if (copy_from_user(&ireq, arg, sizeof(struct in6_ifreq)))
 		return -EFAULT;
 
@@ -2011,7 +2011,7 @@ int addrconf_del_ifaddr(void __user *arg)
 {
 	struct in6_ifreq ireq;
 	int err;
-	
+
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
@@ -2056,7 +2056,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
 		return;
 	}
 
-        for (dev = dev_base; dev != NULL; dev = dev->next) {
+	for (dev = dev_base; dev != NULL; dev = dev->next) {
 		struct in_device * in_dev = __in_dev_get_rtnl(dev);
 		if (in_dev && (dev->flags & IFF_UP)) {
 			struct in_ifaddr * ifa;
@@ -2091,7 +2091,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
 				}
 			}
 		}
-        }
+	}
 }
 #endif
 
@@ -2137,7 +2137,7 @@ static void addrconf_dev_config(struct net_device *dev)
 
 	ASSERT_RTNL();
 
-	if ((dev->type != ARPHRD_ETHER) && 
+	if ((dev->type != ARPHRD_ETHER) &&
 	    (dev->type != ARPHRD_FDDI) &&
 	    (dev->type != ARPHRD_IEEE802_TR) &&
 	    (dev->type != ARPHRD_ARCNET) &&
@@ -2164,9 +2164,9 @@ static void addrconf_sit_config(struct net_device *dev)
 
 	ASSERT_RTNL();
 
-	/* 
-	 * Configure the tunnel with one of our IPv4 
-	 * addresses... we should configure all of 
+	/*
+	 * Configure the tunnel with one of our IPv4
+	 * addresses... we should configure all of
 	 * our v4 addrs in the tunnel
 	 */
 
@@ -2233,7 +2233,7 @@ static void addrconf_ip6_tnl_config(struct net_device *dev)
 	ip6_tnl_add_linklocal(idev);
 }
 
-static int addrconf_notify(struct notifier_block *this, unsigned long event, 
+static int addrconf_notify(struct notifier_block *this, unsigned long event,
 			   void * data)
 {
 	struct net_device *dev = (struct net_device *) data;
@@ -2378,7 +2378,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 		return -ENODEV;
 
 	/* Step 1: remove reference to ipv6 device from parent device.
-	           Do not dev_put!
+		   Do not dev_put!
 	 */
 	if (how == 1) {
 		idev->dead = 1;
@@ -2461,7 +2461,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 	/* Step 5: netlink notification of this interface */
 	idev->tstamp = jiffies;
 	inet6_ifinfo_notify(RTM_DELLINK, idev);
-	
+
 	/* Shot the device (if unregistered) */
 
 	if (how == 1) {
@@ -2850,8 +2850,8 @@ restart:
 			age = (now - ifp->tstamp) / HZ;
 
 #ifdef CONFIG_IPV6_PRIVACY
-			regen_advance = ifp->idev->cnf.regen_max_retry * 
-					ifp->idev->cnf.dad_transmits * 
+			regen_advance = ifp->idev->cnf.regen_max_retry *
+					ifp->idev->cnf.dad_transmits *
 					ifp->idev->nd_parms->retrans_time / HZ;
 #endif
 
@@ -3217,7 +3217,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 	s_idx = cb->args[0];
 	s_ip_idx = ip_idx = cb->args[1];
 	read_lock(&dev_base_lock);
-	
+
 	for (dev = dev_base, idx = 0; dev; dev = dev->next, idx++) {
 		if (idx < s_idx)
 			continue;
@@ -3234,8 +3234,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 			     ifa = ifa->if_next, ip_idx++) {
 				if (ip_idx < s_ip_idx)
 					continue;
-				if ((err = inet6_fill_ifaddr(skb, ifa, 
-				    NETLINK_CB(cb->skb).pid, 
+				if ((err = inet6_fill_ifaddr(skb, ifa,
+				    NETLINK_CB(cb->skb).pid,
 				    cb->nlh->nlmsg_seq, RTM_NEWADDR,
 				    NLM_F_MULTI)) <= 0)
 					goto done;
@@ -3243,12 +3243,12 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 			break;
 		case MULTICAST_ADDR:
 			/* multicast address */
-			for (ifmca = idev->mc_list; ifmca; 
+			for (ifmca = idev->mc_list; ifmca;
 			     ifmca = ifmca->next, ip_idx++) {
 				if (ip_idx < s_ip_idx)
 					continue;
-				if ((err = inet6_fill_ifmcaddr(skb, ifmca, 
-				    NETLINK_CB(cb->skb).pid, 
+				if ((err = inet6_fill_ifmcaddr(skb, ifmca,
+				    NETLINK_CB(cb->skb).pid,
 				    cb->nlh->nlmsg_seq, RTM_GETMULTICAST,
 				    NLM_F_MULTI)) <= 0)
 					goto done;
@@ -3260,10 +3260,10 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 			     ifaca = ifaca->aca_next, ip_idx++) {
 				if (ip_idx < s_ip_idx)
 					continue;
-				if ((err = inet6_fill_ifacaddr(skb, ifaca, 
-				    NETLINK_CB(cb->skb).pid, 
+				if ((err = inet6_fill_ifacaddr(skb, ifaca,
+				    NETLINK_CB(cb->skb).pid,
 				    cb->nlh->nlmsg_seq, RTM_GETANYCAST,
-				    NLM_F_MULTI)) <= 0) 
+				    NLM_F_MULTI)) <= 0)
 					goto done;
 			}
 			break;
@@ -3426,7 +3426,7 @@ static inline size_t inet6_if_nlmsg_size(void)
 		 );
 }
 
-static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, 
+static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev,
 			     u32 pid, u32 seq, int event, unsigned int flags)
 {
 	struct net_device *dev = idev->dev;
@@ -3498,7 +3498,7 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 			continue;
 		if ((idev = in6_dev_get(dev)) == NULL)
 			continue;
-		err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid, 
+		err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
 				cb->nlh->nlmsg_seq, RTM_NEWLINK, NLM_F_MULTI);
 		in6_dev_put(idev);
 		if (err <= 0)
@@ -3514,7 +3514,7 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
 {
 	struct sk_buff *skb;
 	int err = -ENOBUFS;
-	
+
 	skb = nlmsg_new(inet6_if_nlmsg_size(), GFP_ATOMIC);
 	if (skb == NULL)
 		goto errout;
@@ -3578,7 +3578,7 @@ nla_put_failure:
 	return -EMSGSIZE;
 }
 
-static void inet6_prefix_notify(int event, struct inet6_dev *idev, 
+static void inet6_prefix_notify(int event, struct inet6_dev *idev,
 			 struct prefix_info *pinfo)
 {
 	struct sk_buff *skb;
@@ -3675,10 +3675,10 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write, struct file * filp,
 			rt6_purge_dflt_routers();
 	}
 
-        return ret;
+	return ret;
 }
 
-static int addrconf_sysctl_forward_strategy(ctl_table *table, 
+static int addrconf_sysctl_forward_strategy(ctl_table *table,
 					    int __user *name, int nlen,
 					    void __user *oldval,
 					    size_t __user *oldlenp,
@@ -3743,19 +3743,19 @@ static struct addrconf_sysctl_table
 } addrconf_sysctl __read_mostly = {
 	.sysctl_header = NULL,
 	.addrconf_vars = {
-        	{
+		{
 			.ctl_name	=	NET_IPV6_FORWARDING,
 			.procname	=	"forwarding",
-         		.data		=	&ipv6_devconf.forwarding,
+			.data		=	&ipv6_devconf.forwarding,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&addrconf_sysctl_forward,
+			.proc_handler	=	&addrconf_sysctl_forward,
 			.strategy	=	&addrconf_sysctl_forward_strategy,
 		},
 		{
 			.ctl_name	=	NET_IPV6_HOP_LIMIT,
 			.procname	=	"hop_limit",
-         		.data		=	&ipv6_devconf.hop_limit,
+			.data		=	&ipv6_devconf.hop_limit,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
 			.proc_handler	=	proc_dointvec,
@@ -3764,116 +3764,116 @@ static struct addrconf_sysctl_table
 			.ctl_name	=	NET_IPV6_MTU,
 			.procname	=	"mtu",
 			.data		=	&ipv6_devconf.mtu6,
-         		.maxlen		=	sizeof(int),
+			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_ACCEPT_RA,
 			.procname	=	"accept_ra",
-         		.data		=	&ipv6_devconf.accept_ra,
+			.data		=	&ipv6_devconf.accept_ra,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_ACCEPT_REDIRECTS,
 			.procname	=	"accept_redirects",
-         		.data		=	&ipv6_devconf.accept_redirects,
+			.data		=	&ipv6_devconf.accept_redirects,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_AUTOCONF,
 			.procname	=	"autoconf",
-         		.data		=	&ipv6_devconf.autoconf,
+			.data		=	&ipv6_devconf.autoconf,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_DAD_TRANSMITS,
 			.procname	=	"dad_transmits",
-         		.data		=	&ipv6_devconf.dad_transmits,
+			.data		=	&ipv6_devconf.dad_transmits,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_RTR_SOLICITS,
 			.procname	=	"router_solicitations",
-         		.data		=	&ipv6_devconf.rtr_solicits,
+			.data		=	&ipv6_devconf.rtr_solicits,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_RTR_SOLICIT_INTERVAL,
 			.procname	=	"router_solicitation_interval",
-         		.data		=	&ipv6_devconf.rtr_solicit_interval,
+			.data		=	&ipv6_devconf.rtr_solicit_interval,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec_jiffies,
+			.proc_handler	=	&proc_dointvec_jiffies,
 			.strategy	=	&sysctl_jiffies,
 		},
 		{
 			.ctl_name	=	NET_IPV6_RTR_SOLICIT_DELAY,
 			.procname	=	"router_solicitation_delay",
-         		.data		=	&ipv6_devconf.rtr_solicit_delay,
+			.data		=	&ipv6_devconf.rtr_solicit_delay,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec_jiffies,
+			.proc_handler	=	&proc_dointvec_jiffies,
 			.strategy	=	&sysctl_jiffies,
 		},
 		{
 			.ctl_name	=	NET_IPV6_FORCE_MLD_VERSION,
 			.procname	=	"force_mld_version",
-         		.data		=	&ipv6_devconf.force_mld_version,
+			.data		=	&ipv6_devconf.force_mld_version,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 #ifdef CONFIG_IPV6_PRIVACY
 		{
 			.ctl_name	=	NET_IPV6_USE_TEMPADDR,
 			.procname	=	"use_tempaddr",
-	 		.data		=	&ipv6_devconf.use_tempaddr,
+			.data		=	&ipv6_devconf.use_tempaddr,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-	 		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_TEMP_VALID_LFT,
 			.procname	=	"temp_valid_lft",
-	 		.data		=	&ipv6_devconf.temp_valid_lft,
+			.data		=	&ipv6_devconf.temp_valid_lft,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-	 		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_TEMP_PREFERED_LFT,
 			.procname	=	"temp_prefered_lft",
-	 		.data		=	&ipv6_devconf.temp_prefered_lft,
+			.data		=	&ipv6_devconf.temp_prefered_lft,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-	 		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_REGEN_MAX_RETRY,
 			.procname	=	"regen_max_retry",
-	 		.data		=	&ipv6_devconf.regen_max_retry,
+			.data		=	&ipv6_devconf.regen_max_retry,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-	 		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_MAX_DESYNC_FACTOR,
 			.procname	=	"max_desync_factor",
-	 		.data		=	&ipv6_devconf.max_desync_factor,
+			.data		=	&ipv6_devconf.max_desync_factor,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-	 		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 #endif
 		{
@@ -3887,18 +3887,18 @@ static struct addrconf_sysctl_table
 		{
 			.ctl_name	=	NET_IPV6_ACCEPT_RA_DEFRTR,
 			.procname	=	"accept_ra_defrtr",
-         		.data		=	&ipv6_devconf.accept_ra_defrtr,
+			.data		=	&ipv6_devconf.accept_ra_defrtr,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 		{
 			.ctl_name	=	NET_IPV6_ACCEPT_RA_PINFO,
 			.procname	=	"accept_ra_pinfo",
-         		.data		=	&ipv6_devconf.accept_ra_pinfo,
+			.data		=	&ipv6_devconf.accept_ra_pinfo,
 			.maxlen		=	sizeof(int),
 			.mode		=	0644,
-         		.proc_handler	=	&proc_dointvec,
+			.proc_handler	=	&proc_dointvec,
 		},
 #ifdef CONFIG_IPV6_ROUTER_PREF
 		{
@@ -4003,18 +4003,18 @@ static void addrconf_sysctl_register(struct inet6_dev *idev, struct ipv6_devconf
 		t->addrconf_vars[i].extra1 = idev; /* embedded; no ref */
 	}
 	if (dev) {
-		dev_name = dev->name; 
+		dev_name = dev->name;
 		t->addrconf_dev[0].ctl_name = dev->ifindex;
 	} else {
 		dev_name = "default";
 		t->addrconf_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;
@@ -4066,12 +4066,12 @@ static void addrconf_sysctl_unregister(struct ipv6_devconf *p)
 
 int register_inet6addr_notifier(struct notifier_block *nb)
 {
-        return atomic_notifier_chain_register(&inet6addr_chain, nb);
+	return atomic_notifier_chain_register(&inet6addr_chain, nb);
 }
 
 int unregister_inet6addr_notifier(struct notifier_block *nb)
 {
-        return atomic_notifier_chain_unregister(&inet6addr_chain,nb);
+	return atomic_notifier_chain_unregister(&inet6addr_chain,nb);
 }
 
 /*
@@ -4124,9 +4124,9 @@ int __init addrconf_init(void)
 
 void __exit addrconf_cleanup(void)
 {
- 	struct net_device *dev;
- 	struct inet6_dev *idev;
- 	struct inet6_ifaddr *ifa;
+	struct net_device *dev;
+	struct inet6_dev *idev;
+	struct inet6_ifaddr *ifa;
 	int i;
 
 	unregister_netdevice_notifier(&ipv6_dev_notf);

net/ipv6/af_inet6.c

@@ -1,9 +1,9 @@
 /*
  *	PF_INET6 socket protocol family
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	Adapted from linux/net/ipv4/af_inet.c
  *
@@ -191,7 +191,7 @@ lookup_protocol:
 	np->mc_loop	= 1;
 	np->pmtudisc	= IPV6_PMTUDISC_WANT;
 	np->ipv6only	= sysctl_ipv6_bindv6only;
-	
+
 	/* Init the ipv4 part of the socket since we can have sockets
 	 * using v6 API for ipv4.
 	 */
@@ -206,7 +206,7 @@ lookup_protocol:
 		inet->pmtudisc = IP_PMTUDISC_DONT;
 	else
 		inet->pmtudisc = IP_PMTUDISC_WANT;
-	/* 
+	/*
 	 * Increment only the relevant sk_prot->socks debug field, this changes
 	 * the previous behaviour of incrementing both the equivalent to
 	 * answer->prot->socks (inet6_sock_nr) and inet_sock_nr.
@@ -293,7 +293,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 					 */
 					sk->sk_bound_dev_if = addr->sin6_scope_id;
 				}
-				
+
 				/* Binding to link-local address requires an interface */
 				if (!sk->sk_bound_dev_if) {
 					err = -EINVAL;
@@ -327,7 +327,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	inet->saddr = v4addr;
 
 	ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
-		
+
 	if (!(addr_type & IPV6_ADDR_MULTICAST))
 		ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
 
@@ -393,7 +393,7 @@ EXPORT_SYMBOL_GPL(inet6_destroy_sock);
 /*
  *	This does both peername and sockname.
  */
- 
+
 int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
 		 int *uaddr_len, int peer)
 {
@@ -401,7 +401,7 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct sock *sk = sock->sk;
 	struct inet_sock *inet = inet_sk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
-  
+
 	sin->sin6_family = AF_INET6;
 	sin->sin6_flowinfo = 0;
 	sin->sin6_scope_id = 0;
@@ -433,14 +433,14 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
 	struct sock *sk = sock->sk;
 
-	switch(cmd) 
+	switch(cmd)
 	{
 	case SIOCGSTAMP:
 		return sock_get_timestamp(sk, (struct timeval __user *)arg);
 
 	case SIOCADDRT:
 	case SIOCDELRT:
-	  
+
 		return(ipv6_route_ioctl(cmd,(void __user *)arg));
 
 	case SIOCSIFADDR:
@@ -584,7 +584,7 @@ inet6_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);
@@ -749,7 +749,7 @@ err_icmp_mib:
 	snmp6_mib_free((void **)ipv6_statistics);
 err_ip_mib:
 	return -ENOMEM;
-	
+
 }
 
 static void cleanup_ipv6_mibs(void)
@@ -763,7 +763,7 @@ static void cleanup_ipv6_mibs(void)
 static int __init inet6_init(void)
 {
 	struct sk_buff *dummy_skb;
-        struct list_head *r;
+	struct list_head *r;
 	int err;
 
 	BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb));
@@ -814,7 +814,7 @@ static int __init inet6_init(void)
 	err = init_ipv6_mibs();
 	if (err)
 		goto out_unregister_sock;
-	
+
 	/*
 	 *	ipngwg API draft makes clear that the correct semantics
 	 *	for TCP and UDP is to consider one TCP and UDP instance
@@ -933,11 +933,11 @@ static void __exit inet6_exit(void)
 #ifdef CONFIG_PROC_FS
 	if6_proc_exit();
 	ac6_proc_exit();
- 	ipv6_misc_proc_exit();
- 	udp6_proc_exit();
- 	udplite6_proc_exit();
- 	tcp6_proc_exit();
- 	raw6_proc_exit();
+	ipv6_misc_proc_exit();
+	udp6_proc_exit();
+	udplite6_proc_exit();
+	tcp6_proc_exit();
+	raw6_proc_exit();
 #endif
 #ifdef CONFIG_IPV6_MIP6
 	mip6_fini();
@@ -952,7 +952,7 @@ static void __exit inet6_exit(void)
 	ndisc_cleanup();
 	icmpv6_cleanup();
 #ifdef CONFIG_SYSCTL
-	ipv6_sysctl_unregister();	
+	ipv6_sysctl_unregister();
 #endif
 	cleanup_ipv6_mibs();
 	proto_unregister(&rawv6_prot);

net/ipv6/ah6.c

@@ -1,26 +1,26 @@
 /*
  * Copyright (C)2002 USAGI/WIDE Project
- * 
+ *
  * 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) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  * Authors
  *
- *	Mitsuru KANDA @USAGI       : IPv6 Support 
+ *	Mitsuru KANDA @USAGI       : IPv6 Support
  * 	Kazunori MIYAZAWA @USAGI   :
  * 	Kunihiro Ishiguro <kunihiro@ipinfusion.com>
- * 	
+ *
  * 	This file is derived from net/ipv4/ah.c.
  */
 
@@ -54,7 +54,7 @@ static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr)
 			optlen = 1;
 			break;
 		default:
-			if (len < 2) 
+			if (len < 2)
 				goto bad;
 			optlen = opt[off+1]+2;
 			if (len < optlen)
@@ -152,7 +152,7 @@ static void ipv6_rearrange_rthdr(struct ipv6hdr *iph, struct ipv6_rt_hdr *rthdr)
 	segments_left = rthdr->segments_left;
 	if (segments_left == 0)
 		return;
-	rthdr->segments_left = 0; 
+	rthdr->segments_left = 0;
 
 	/* The value of rthdr->hdrlen has been verified either by the system
 	 * call if it is locally generated, or by ipv6_rthdr_rcv() for incoming
@@ -278,7 +278,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 	top_iph->hop_limit   = 0;
 
 	ahp = x->data;
-	ah->hdrlen  = (XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + 
+	ah->hdrlen  = (XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) +
 				   ahp->icv_trunc_len) >> 2) - 2;
 
 	ah->reserved = 0;
@@ -319,7 +319,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 	 * Moving the pointer of skb->nh.raw by using skb_pull as long as AH
 	 * header length. Then copy back the copy as long as hdr_len
 	 * If destination header following AH exists, copy it into after [Ext2].
-	 * 
+	 *
 	 * |<>|[IPv6][Ext1][Ext2][Dest][Payload]
 	 * There is offset of AH before IPv6 header after the process.
 	 */
@@ -347,9 +347,9 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 	nexthdr = ah->nexthdr;
 	ah_hlen = (ah->hdrlen + 2) << 2;
 
-        if (ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_full_len) &&
-            ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len))
-                goto out;
+	if (ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_full_len) &&
+	    ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len))
+		goto out;
 
 	if (!pskb_may_pull(skb, ah_hlen))
 		goto out;
@@ -365,7 +365,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 	skb->nh.ipv6h->flow_lbl[2] = 0;
 	skb->nh.ipv6h->hop_limit   = 0;
 
-        {
+	{
 		u8 auth_data[MAX_AH_AUTH_LEN];
 
 		memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
@@ -395,8 +395,8 @@ out:
 	return err;
 }
 
-static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, 
-                    int type, int code, int offset, __be32 info)
+static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+		    int type, int code, int offset, __be32 info)
 {
 	struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
 	struct ip_auth_hdr *ah = (struct ip_auth_hdr*)(skb->data+offset);
@@ -445,7 +445,7 @@ static int ah6_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
@@ -462,16 +462,16 @@ static int ah6_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 ipv6_auth_hdr) + ahp->icv_trunc_len);
 	if (x->props.mode == XFRM_MODE_TUNNEL)
 		x->props.header_len += sizeof(struct ipv6hdr);

net/ipv6/anycast.c

@@ -1,6 +1,6 @@
 /*
  *	Anycast support for IPv6
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
  *	David L Stevens (dlstevens@us.ibm.com)
@@ -397,7 +397,7 @@ static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr)
 	in6_dev_put(idev);
 	return ret;
 }
-	
+
 /*
  *	check if the interface has this anycast address
  */

net/ipv6/datagram.c

@@ -1,9 +1,9 @@
 /*
  *	common UDP/RAW code
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	$Id: datagram.c,v 1.24 2002/02/01 22:01:04 davem Exp $
  *
@@ -55,10 +55,10 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	}
 
 	if (addr_len < SIN6_LEN_RFC2133)
-	  	return -EINVAL;
+		return -EINVAL;
 
-	if (usin->sin6_family != AF_INET6) 
-	  	return -EAFNOSUPPORT;
+	if (usin->sin6_family != AF_INET6)
+		return -EAFNOSUPPORT;
 
 	memset(&fl, 0, sizeof(fl));
 	if (np->sndflow) {
@@ -93,14 +93,14 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		sin.sin_addr.s_addr = daddr->s6_addr32[3];
 		sin.sin_port = usin->sin6_port;
 
-		err = ip4_datagram_connect(sk, 
-					   (struct sockaddr*) &sin, 
+		err = ip4_datagram_connect(sk,
+					   (struct sockaddr*) &sin,
 					   sizeof(sin));
 
 ipv4_connected:
 		if (err)
 			goto out;
-		
+
 		ipv6_addr_set(&np->daddr, 0, 0, htonl(0x0000ffff), inet->daddr);
 
 		if (ipv6_addr_any(&np->saddr)) {
@@ -206,7 +206,7 @@ out:
 	return err;
 }
 
-void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, 
+void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
 		     __be16 port, u32 info, u8 *payload)
 {
 	struct ipv6_pinfo *np  = inet6_sk(sk);
@@ -223,7 +223,7 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
 	serr = SKB_EXT_ERR(skb);
 	serr->ee.ee_errno = err;
 	serr->ee.ee_origin = SO_EE_ORIGIN_ICMP6;
-	serr->ee.ee_type = icmph->icmp6_type; 
+	serr->ee.ee_type = icmph->icmp6_type;
 	serr->ee.ee_code = icmph->icmp6_code;
 	serr->ee.ee_pad = 0;
 	serr->ee.ee_info = info;
@@ -259,7 +259,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
 	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;
@@ -274,7 +274,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
 		kfree_skb(skb);
 }
 
-/* 
+/*
  *	Handle MSG_ERRQUEUE
  */
 int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
@@ -312,7 +312,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
 	if (sin) {
 		sin->sin6_family = AF_INET6;
 		sin->sin6_flowinfo = 0;
-		sin->sin6_port = serr->port; 
+		sin->sin6_port = serr->port;
 		sin->sin6_scope_id = 0;
 		if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP6) {
 			ipv6_addr_copy(&sin->sin6_addr,
@@ -370,7 +370,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
 		spin_unlock_bh(&sk->sk_error_queue.lock);
 	}
 
-out_free_skb:	
+out_free_skb:
 	kfree_skb(skb);
 out:
 	return err;
@@ -419,7 +419,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
 		 * report extension headers (except for HbH)
 		 * in order.
 		 *
-		 * Also note that IPV6_RECVRTHDRDSTOPTS is NOT 
+		 * Also note that IPV6_RECVRTHDRDSTOPTS is NOT
 		 * (and WILL NOT be) defined because
 		 * IPV6_RECVDSTOPTS is more generic. --yoshfuji
 		 */
@@ -512,15 +512,15 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			continue;
 
 		switch (cmsg->cmsg_type) {
- 		case IPV6_PKTINFO:
- 		case IPV6_2292PKTINFO:
- 			if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
+		case IPV6_PKTINFO:
+		case IPV6_2292PKTINFO:
+			if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
 				err = -EINVAL;
 				goto exit_f;
 			}
 
 			src_info = (struct in6_pktinfo *)CMSG_DATA(cmsg);
-			
+
 			if (src_info->ipi6_ifindex) {
 				if (fl->oif && src_info->ipi6_ifindex != fl->oif)
 					return -EINVAL;
@@ -531,7 +531,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 
 			if (addr_type == IPV6_ADDR_ANY)
 				break;
-			
+
 			if (addr_type & IPV6_ADDR_LINKLOCAL) {
 				if (!src_info->ipi6_ifindex)
 					return -EINVAL;
@@ -554,7 +554,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			break;
 
 		case IPV6_FLOWINFO:
-                        if (cmsg->cmsg_len < CMSG_LEN(4)) {
+			if (cmsg->cmsg_len < CMSG_LEN(4)) {
 				err = -EINVAL;
 				goto exit_f;
 			}
@@ -570,7 +570,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 
 		case IPV6_2292HOPOPTS:
 		case IPV6_HOPOPTS:
-                        if (opt->hopopt || cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
+			if (opt->hopopt || cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
 				err = -EINVAL;
 				goto exit_f;
 			}
@@ -590,7 +590,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 			break;
 
 		case IPV6_2292DSTOPTS:
-                        if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
+			if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_opt_hdr))) {
 				err = -EINVAL;
 				goto exit_f;
 			}
@@ -641,7 +641,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 
 		case IPV6_2292RTHDR:
 		case IPV6_RTHDR:
-                        if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_rt_hdr))) {
+			if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct ipv6_rt_hdr))) {
 				err = -EINVAL;
 				goto exit_f;
 			}
@@ -661,7 +661,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 
 			len = ((rthdr->hdrlen + 1) << 3);
 
-                        if (cmsg->cmsg_len < CMSG_LEN(len)) {
+			if (cmsg->cmsg_len < CMSG_LEN(len)) {
 				err = -EINVAL;
 				goto exit_f;
 			}
@@ -716,7 +716,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
 		    }
 		default:
 			LIMIT_NETDEBUG(KERN_DEBUG "invalid cmsg type: %d\n",
-			               cmsg->cmsg_type);
+				       cmsg->cmsg_type);
 			err = -EINVAL;
 			break;
 		};

net/ipv6/esp6.c

@@ -1,26 +1,26 @@
 /*
  * Copyright (C)2002 USAGI/WIDE Project
- * 
+ *
  * 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) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  * Authors
  *
- *	Mitsuru KANDA @USAGI       : IPv6 Support 
+ *	Mitsuru KANDA @USAGI       : IPv6 Support
  * 	Kazunori MIYAZAWA @USAGI   :
  * 	Kunihiro Ishiguro <kunihiro@ipinfusion.com>
- * 	
+ *
  * 	This file is derived from net/ipv4/esp.c
  */
 
@@ -166,7 +166,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
 	}
 
 	/* If integrity check is required, do this. */
-        if (esp->auth.icv_full_len) {
+	if (esp->auth.icv_full_len) {
 		u8 sum[alen];
 
 		ret = esp_mac_digest(esp, skb, 0, skb->len - alen);
@@ -197,7 +197,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
 	if (esp->conf.ivlen)
 		crypto_blkcipher_set_iv(tfm, esph->enc_data, esp->conf.ivlen);
 
-        {
+	{
 		u8 nexthdr[2];
 		struct scatterlist *sg = &esp->sgbuf[0];
 		u8 padlen;
@@ -225,7 +225,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
 			ret = -EINVAL;
 			goto out;
 		}
-		/* ... check padding bits here. Silly. :-) */ 
+		/* ... check padding bits here. Silly. :-) */
 
 		pskb_trim(skb, skb->len - alen - padlen - 2);
 		ret = nexthdr[1];
@@ -256,20 +256,20 @@ static u32 esp6_get_max_size(struct xfrm_state *x, int mtu)
 }
 
 static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                     int type, int code, int offset, __be32 info)
+		     int type, int code, int offset, __be32 info)
 {
 	struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
 	struct ipv6_esp_hdr *esph = (struct ipv6_esp_hdr*)(skb->data+offset);
 	struct xfrm_state *x;
 
-	if (type != ICMPV6_DEST_UNREACH && 
+	if (type != ICMPV6_DEST_UNREACH &&
 	    type != ICMPV6_PKT_TOOBIG)
 		return;
 
 	x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6);
 	if (!x)
 		return;
-	printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/" NIP6_FMT "\n", 
+	printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/" NIP6_FMT "\n",
 			ntohl(esph->spi), NIP6(iph->daddr));
 	xfrm_state_put(x);
 }
@@ -326,10 +326,10 @@ static int esp6_init_state(struct xfrm_state *x)
 		esp->auth.tfm = hash;
 		if (crypto_hash_setkey(hash, esp->auth.key, esp->auth.key_len))
 			goto error;
- 
+
 		aalg_desc = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
 		BUG_ON(!aalg_desc);
- 
+
 		if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
 		    crypto_hash_digestsize(hash)) {
 			NETDEBUG(KERN_INFO "ESP: %s digestsize %u != %hu\n",
@@ -338,10 +338,10 @@ static int esp6_init_state(struct xfrm_state *x)
 				 aalg_desc->uinfo.auth.icv_fullbits/8);
 			goto error;
 		}
- 
+
 		esp->auth.icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
 		esp->auth.icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
- 
+
 		esp->auth.work_icv = kmalloc(esp->auth.icv_full_len, GFP_KERNEL);
 		if (!esp->auth.work_icv)
 			goto error;

net/ipv6/exthdrs.c

@@ -16,7 +16,7 @@
  */
 
 /* Changes:
- *	yoshfuji		: ensure not to overrun while parsing 
+ *	yoshfuji		: ensure not to overrun while parsing
  *				  tlv options.
  *	Mitsuru KANDA @USAGI and: Remove ipv6_parse_exthdrs().
  *	YOSHIFUJI Hideaki @USAGI  Register inbound extension header
@@ -167,8 +167,8 @@ static int ip6_parse_tlv(struct tlvtype_proc *procs, struct sk_buff **skbp)
 				goto bad;
 			for (curr=procs; curr->type >= 0; curr++) {
 				if (curr->type == skb->nh.raw[off]) {
-					/* type specific length/alignment 
-					   checks will be performed in the 
+					/* type specific length/alignment
+					   checks will be performed in the
 					   func(). */
 					if (curr->func(skbp, off) == 0)
 						return 0;
@@ -572,7 +572,7 @@ void __init ipv6_rthdr_init(void)
    For now we need to test the engine, so that I created
    temporary (or permanent) backdoor.
    If listening socket set IPV6_RTHDR to 2, then we invert header.
-                                                   --ANK (980729)
+						   --ANK (980729)
  */
 
 struct ipv6_txoptions *
@@ -635,7 +635,7 @@ static int ipv6_hop_ra(struct sk_buff **skbp, int optoff)
 		return 1;
 	}
 	LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_ra: wrong RA length %d\n",
-	               skb->nh.raw[optoff+1]);
+		       skb->nh.raw[optoff+1]);
 	kfree_skb(skb);
 	return 0;
 }
@@ -649,7 +649,7 @@ static int ipv6_hop_jumbo(struct sk_buff **skbp, int optoff)
 
 	if (skb->nh.raw[optoff+1] != 4 || (optoff&3) != 2) {
 		LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
-		               skb->nh.raw[optoff+1]);
+			       skb->nh.raw[optoff+1]);
 		IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
 				 IPSTATS_MIB_INHDRERRORS);
 		goto drop;
@@ -740,7 +740,7 @@ static void ipv6_push_rthdr(struct sk_buff *skb, u8 *proto,
 	int hops;
 
 	ihdr = (struct rt0_hdr *) opt;
-	
+
 	phdr = (struct rt0_hdr *) skb_push(skb, (ihdr->rt_hdr.hdrlen + 1) << 3);
 	memcpy(phdr, ihdr, sizeof(struct rt0_hdr));
 

net/ipv6/exthdrs_core.c

@@ -4,13 +4,13 @@
  */
 #include <net/ipv6.h>
 
-/* 
+/*
  * find out if nexthdr is a well-known extension header or a protocol
  */
 
 int ipv6_ext_hdr(u8 nexthdr)
 {
-	/* 
+	/*
 	 * find out if nexthdr is an extension header or a protocol
 	 */
 	return ( (nexthdr == NEXTHDR_HOP)	||
@@ -25,18 +25,18 @@ int ipv6_ext_hdr(u8 nexthdr)
  * Skip any extension headers. This is used by the ICMP module.
  *
  * Note that strictly speaking this conflicts with RFC 2460 4.0:
- * ...The contents and semantics of each extension header determine whether 
+ * ...The contents and semantics of each extension header determine whether
  * or not to proceed to the next header.  Therefore, extension headers must
  * be processed strictly in the order they appear in the packet; a
  * receiver must not, for example, scan through a packet looking for a
  * particular kind of extension header and process that header prior to
  * processing all preceding ones.
- * 
+ *
  * We do exactly this. This is a protocol bug. We can't decide after a
- * seeing an unknown discard-with-error flavour TLV option if it's a 
+ * seeing an unknown discard-with-error flavour TLV option if it's a
  * ICMP error message or not (errors should never be send in reply to
  * ICMP error messages).
- * 
+ *
  * But I see no other way to do this. This might need to be reexamined
  * when Linux implements ESP (and maybe AUTH) headers.
  * --AK
@@ -90,9 +90,9 @@ int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp)
 				break;
 			hdrlen = 8;
 		} else if (nexthdr == NEXTHDR_AUTH)
-			hdrlen = (hp->hdrlen+2)<<2; 
+			hdrlen = (hp->hdrlen+2)<<2;
 		else
-			hdrlen = ipv6_optlen(hp); 
+			hdrlen = ipv6_optlen(hp);
 
 		nexthdr = hp->nexthdr;
 		start += hdrlen;

net/ipv6/icmp.c

@@ -107,7 +107,7 @@ static __inline__ void icmpv6_xmit_unlock(void)
 	spin_unlock_bh(&icmpv6_socket->sk->sk_lock.slock);
 }
 
-/* 
+/*
  * Slightly more convenient version of icmpv6_send.
  */
 void icmpv6_param_prob(struct sk_buff *skb, int code, int pos)
@@ -153,8 +153,8 @@ static int is_ineligible(struct sk_buff *skb)
 
 static int sysctl_icmpv6_time __read_mostly = 1*HZ;
 
-/* 
- * Check the ICMP output rate limit 
+/*
+ * Check the ICMP output rate limit
  */
 static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
 				     struct flowi *fl)
@@ -170,7 +170,7 @@ static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
 	if (type == ICMPV6_PKT_TOOBIG)
 		return 1;
 
-	/* 
+	/*
 	 * Look up the output route.
 	 * XXX: perhaps the expire for routing entries cloned by
 	 * this lookup should be more aggressive (not longer than timeout).
@@ -198,7 +198,7 @@ static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
 /*
  *	an inline helper for the "simple" if statement below
  *	checks if parameter problem report is caused by an
- *	unrecognized IPv6 option that has the Option Type 
+ *	unrecognized IPv6 option that has the Option Type
  *	highest-order two bits set to 10
  */
 
@@ -298,7 +298,7 @@ static inline void mip6_addr_swap(struct sk_buff *skb) {}
 /*
  *	Send an ICMP message in response to a packet in error
  */
-void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info, 
+void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 		 struct net_device *dev)
 {
 	struct inet6_dev *idev = NULL;
@@ -320,7 +320,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 		return;
 
 	/*
-	 *	Make sure we respect the rules 
+	 *	Make sure we respect the rules
 	 *	i.e. RFC 1885 2.4(e)
 	 *	Rule (e.1) is enforced by not using icmpv6_send
 	 *	in any code that processes icmp errors.
@@ -336,8 +336,8 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 
 	if ((addr_type & IPV6_ADDR_MULTICAST || skb->pkt_type != PACKET_HOST)) {
 		if (type != ICMPV6_PKT_TOOBIG &&
-		    !(type == ICMPV6_PARAMPROB && 
-		      code == ICMPV6_UNK_OPTION && 
+		    !(type == ICMPV6_PARAMPROB &&
+		      code == ICMPV6_UNK_OPTION &&
 		      (opt_unrec(skb, info))))
 			return;
 
@@ -364,7 +364,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 		return;
 	}
 
-	/* 
+	/*
 	 *	Never answer to a ICMP packet.
 	 */
 	if (is_ineligible(skb)) {
@@ -543,14 +543,14 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 	}
 	err = icmpv6_push_pending_frames(sk, &fl, &tmp_hdr, skb->len + sizeof(struct icmp6hdr));
 
-        ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTECHOREPLIES);
-        ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
+	ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTECHOREPLIES);
+	ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
 
-out_put: 
+out_put:
 	if (likely(idev != NULL))
 		in6_dev_put(idev);
 	dst_release(dst);
-out: 
+out:
 	icmpv6_xmit_unlock();
 }
 
@@ -608,7 +608,7 @@ static void icmpv6_notify(struct sk_buff *skb, int type, int code, __be32 info)
 	}
 	read_unlock(&raw_v6_lock);
 }
-  
+
 /*
  *	Handle icmp messages
  */
@@ -722,9 +722,9 @@ static int icmpv6_rcv(struct sk_buff **pskb)
 		if (type & ICMPV6_INFOMSG_MASK)
 			break;
 
-		/* 
-		 * error of unknown type. 
-		 * must pass to upper level 
+		/*
+		 * error of unknown type.
+		 * must pass to upper level
 		 */
 
 		icmpv6_notify(skb, type, hdr->icmp6_code, hdr->icmp6_mtu);
@@ -852,7 +852,7 @@ int icmpv6_err_convert(int type, int code, int *err)
 	case ICMPV6_PKT_TOOBIG:
 		*err = EMSGSIZE;
 		break;
-		
+
 	case ICMPV6_PARAMPROB:
 		*err = EPROTO;
 		fatal = 1;

net/ipv6/inet6_hashtables.c

@@ -115,7 +115,7 @@ struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
 	sk_for_each(sk, node, &hashinfo->listening_hash[inet_lhashfn(hnum)]) {
 		if (inet_sk(sk)->num == hnum && sk->sk_family == PF_INET6) {
 			const struct ipv6_pinfo *np = inet6_sk(sk);
-			
+
 			score = 1;
 			if (!ipv6_addr_any(&np->rcv_saddr)) {
 				if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
@@ -249,81 +249,81 @@ int inet6_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 == 0) {
- 		const int low = sysctl_local_port_range[0];
- 		const int high = sysctl_local_port_range[1];
+	if (snum == 0) {
+		const int low = sysctl_local_port_range[0];
+		const int high = sysctl_local_port_range[1];
 		const int range = high - low;
- 		int i, port;
+		int i, port;
 		static u32 hint;
 		const u32 offset = hint + inet6_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 (!__inet6_check_established(death_row,
+				if (tb->port == port) {
+					BUG_TRAP(!hlist_empty(&tb->owners));
+					if (tb->fastreuse >= 0)
+						goto next_port;
+					if (!__inet6_check_established(death_row,
 								       sk, port,
 								       &tw))
- 						goto ok;
- 					goto next_port;
- 				}
- 			}
+						goto ok;
+					goto next_port;
+				}
+			}
 
- 			tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep,
+			tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep,
 						     head, port);
- 			if (!tb) {
- 				spin_unlock(&head->lock);
- 				break;
- 			}
- 			tb->fastreuse = -1;
- 			goto ok;
+			if (!tb) {
+				spin_unlock(&head->lock);
+				break;
+			}
+			tb->fastreuse = -1;
+			goto ok;
 
- 		next_port:
- 			spin_unlock(&head->lock);
- 		}
- 		local_bh_enable();
+		next_port:
+			spin_unlock(&head->lock);
+		}
+		local_bh_enable();
 
- 		return -EADDRNOTAVAIL;
+		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);
- 			__inet6_hash(hinfo, sk);
- 		}
- 		spin_unlock(&head->lock);
+			inet_sk(sk)->sport = htons(port);
+			__inet6_hash(hinfo, sk);
+		}
+		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 == NULL) {

net/ipv6/ip6_fib.c

@@ -1,9 +1,9 @@
 /*
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *	Forwarding Information Database
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	$Id: ip6_fib.c,v 1.25 2001/10/31 21:55:55 davem Exp $
  *
@@ -97,7 +97,7 @@ static DEFINE_TIMER(ip6_fib_timer, fib6_run_gc, 0, 0);
 
 static struct fib6_walker_t fib6_walker_list = {
 	.prev	= &fib6_walker_list,
-	.next	= &fib6_walker_list, 
+	.next	= &fib6_walker_list,
 };
 
 #define FOR_WALKERS(w) for ((w)=fib6_walker_list.next; (w) != &fib6_walker_list; (w)=(w)->next)
@@ -131,7 +131,7 @@ static __inline__ u32 fib6_new_sernum(void)
 /*
  *	Auxiliary address test functions for the radix tree.
  *
- *	These assume a 32bit processor (although it will work on 
+ *	These assume a 32bit processor (although it will work on
  *	64bit processors)
  */
 
@@ -434,7 +434,7 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
 	struct fib6_node *pn = NULL;
 	struct rt6key *key;
 	int	bit;
-       	__be32	dir = 0;
+	__be32	dir = 0;
 	__u32	sernum = fib6_new_sernum();
 
 	RT6_TRACE("fib6_add_1\n");
@@ -452,27 +452,27 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
 		if (plen < fn->fn_bit ||
 		    !ipv6_prefix_equal(&key->addr, addr, fn->fn_bit))
 			goto insert_above;
-		
+
 		/*
 		 *	Exact match ?
 		 */
-			 
+
 		if (plen == fn->fn_bit) {
 			/* clean up an intermediate node */
 			if ((fn->fn_flags & RTN_RTINFO) == 0) {
 				rt6_release(fn->leaf);
 				fn->leaf = NULL;
 			}
-			
+
 			fn->fn_sernum = sernum;
-				
+
 			return fn;
 		}
 
 		/*
 		 *	We have more bits to go
 		 */
-			 
+
 		/* Try to walk down on tree. */
 		fn->fn_sernum = sernum;
 		dir = addr_bit_set(addr, fn->fn_bit);
@@ -490,7 +490,7 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
 	if (ln == NULL)
 		return NULL;
 	ln->fn_bit = plen;
-			
+
 	ln->parent = pn;
 	ln->fn_sernum = sernum;
 
@@ -504,7 +504,7 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
 
 insert_above:
 	/*
-	 * split since we don't have a common prefix anymore or 
+	 * split since we don't have a common prefix anymore or
 	 * we have a less significant route.
 	 * we've to insert an intermediate node on the list
 	 * this new node will point to the one we need to create
@@ -518,18 +518,18 @@ insert_above:
 	   See comment in __ipv6_addr_diff: bit may be an invalid value,
 	   but if it is >= plen, the value is ignored in any case.
 	 */
-	
+
 	bit = __ipv6_addr_diff(addr, &key->addr, addrlen);
 
-	/* 
-	 *		(intermediate)[in]	
+	/*
+	 *		(intermediate)[in]
 	 *	          /	   \
 	 *	(new leaf node)[ln] (old node)[fn]
 	 */
 	if (plen > bit) {
 		in = node_alloc();
 		ln = node_alloc();
-		
+
 		if (in == NULL || ln == NULL) {
 			if (in)
 				node_free(in);
@@ -538,8 +538,8 @@ insert_above:
 			return NULL;
 		}
 
-		/* 
-		 * new intermediate node. 
+		/*
+		 * new intermediate node.
 		 * RTN_RTINFO will
 		 * be off since that an address that chooses one of
 		 * the branches would not match less specific routes
@@ -576,7 +576,7 @@ insert_above:
 		}
 	} else { /* plen <= bit */
 
-		/* 
+		/*
 		 *		(new leaf node)[ln]
 		 *	          /	   \
 		 *	     (old node)[fn] NULL
@@ -592,7 +592,7 @@ insert_above:
 		ln->parent = pn;
 
 		ln->fn_sernum = sernum;
-		
+
 		if (dir)
 			pn->right = ln;
 		else
@@ -1206,7 +1206,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
  *	However, it is internally reenterable wrt itself and fib6_add/fib6_del.
  *	It means, that we can modify tree during walking
  *	and use this function for garbage collection, clone pruning,
- *	cleaning tree when a device goes down etc. etc.	
+ *	cleaning tree when a device goes down etc. etc.
  *
  *	It guarantees that every node will be traversed,
  *	and that it will be traversed only once.
@@ -1245,7 +1245,7 @@ static int fib6_walk_continue(struct fib6_walker_t *w)
 				continue;
 			}
 			w->state = FWS_L;
-#endif	
+#endif
 		case FWS_L:
 			if (fn->left) {
 				w->node = fn->left;
@@ -1338,7 +1338,7 @@ static int fib6_clean_node(struct fib6_walker_t *w)
 
 /*
  *	Convenient frontend to tree walker.
- *	
+ *
  *	func is called on each route.
  *		It may return -1 -> delete this route.
  *		              0  -> continue walking

net/ipv6/ip6_flowlabel.c

@@ -228,10 +228,10 @@ struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions * opt_space,
 					 struct ipv6_txoptions * fopt)
 {
 	struct ipv6_txoptions * fl_opt = fl->opt;
-	
+
 	if (fopt == NULL || fopt->opt_flen == 0)
 		return fl_opt;
-	
+
 	if (fl_opt != NULL) {
 		opt_space->hopopt = fl_opt->hopopt;
 		opt_space->dst0opt = fl_opt->dst0opt;

net/ipv6/ip6_input.c

@@ -1,6 +1,6 @@
 /*
  *	IPv6 input
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
@@ -48,7 +48,7 @@
 
 
 
-inline int ip6_rcv_finish( struct sk_buff *skb) 
+inline int ip6_rcv_finish( struct sk_buff *skb)
 {
 	if (skb->dst == NULL)
 		ip6_route_input(skb);
@@ -173,9 +173,9 @@ resubmit:
 	hash = nexthdr & (MAX_INET_PROTOS - 1);
 	if ((ipprot = rcu_dereference(inet6_protos[hash])) != NULL) {
 		int ret;
-		
+
 		if (ipprot->flags & INET6_PROTO_FINAL) {
-			struct ipv6hdr *hdr;	
+			struct ipv6hdr *hdr;
 
 			/* Free reference early: we don't need it any more,
 			   and it may hold ip_conntrack module loaded
@@ -192,9 +192,9 @@ resubmit:
 				goto discard;
 		}
 		if (!(ipprot->flags & INET6_PROTO_NOPOLICY) &&
-		    !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) 
+		    !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb))
 			goto discard;
-		
+
 		ret = ipprot->handler(&skb);
 		if (ret > 0)
 			goto resubmit;
@@ -205,8 +205,8 @@ resubmit:
 			if (xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
 				IP6_INC_STATS_BH(idev, IPSTATS_MIB_INUNKNOWNPROTOS);
 				icmpv6_send(skb, ICMPV6_PARAMPROB,
-				            ICMPV6_UNK_NEXTHDR, nhoff,
-				            skb->dev);
+					    ICMPV6_UNK_NEXTHDR, nhoff,
+					    skb->dev);
 			}
 		} else
 			IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDELIVERS);
@@ -253,7 +253,7 @@ int ip6_mc_input(struct sk_buff *skb)
 			struct dst_entry *dst;
 
 			dst = skb->dst;
-			
+
 			if (deliver) {
 				skb2 = skb_clone(skb, GFP_ATOMIC);
 				dst_output(skb2);

net/ipv6/ip6_output.c

@@ -1,9 +1,9 @@
 /*
  *	IPv6 output functions
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	$Id: ip6_output.c,v 1.34 2002/02/01 22:01:04 davem Exp $
  *
@@ -363,7 +363,7 @@ int ip6_forward(struct sk_buff *skb)
 	struct dst_entry *dst = skb->dst;
 	struct ipv6hdr *hdr = skb->nh.ipv6h;
 	struct inet6_skb_parm *opt = IP6CB(skb);
-	
+
 	if (ipv6_devconf.forwarding == 0)
 		goto error;
 
@@ -473,7 +473,7 @@ int ip6_forward(struct sk_buff *skb)
 	hdr = skb->nh.ipv6h;
 
 	/* Mangling hops number delayed to point after skb COW */
- 
+
 	hdr->hop_limit--;
 
 	IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_OUTFORWDATAGRAMS);
@@ -659,7 +659,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 				frag->nh.ipv6h->payload_len = htons(frag->len - sizeof(struct ipv6hdr));
 				ip6_copy_metadata(frag, skb);
 			}
-			
+
 			err = output(skb);
 			if(!err)
 				IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGCREATES);
@@ -792,7 +792,7 @@ slow_path:
 fail:
 	IP6_INC_STATS(ip6_dst_idev(skb->dst),
 		      IPSTATS_MIB_FRAGFAILS);
-	kfree_skb(skb); 
+	kfree_skb(skb);
 	return err;
 }
 
@@ -955,7 +955,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
 		struct frag_hdr fhdr;
 
 		/* specify the length of each IP datagram fragment*/
-		skb_shinfo(skb)->gso_size = mtu - fragheaderlen - 
+		skb_shinfo(skb)->gso_size = mtu - fragheaderlen -
 					    sizeof(struct frag_hdr);
 		skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
 		ipv6_select_ident(skb, &fhdr);
@@ -1058,13 +1058,13 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 	 * fragment alignment (= 8-15 octects, in total).
 	 *
 	 * Note that we may need to "move" the data from the tail of
-	 * of the buffer to the new fragment when we split 
+	 * of the buffer to the new fragment when we split
 	 * the message.
 	 *
-	 * FIXME: It may be fragmented into multiple chunks 
+	 * FIXME: It may be fragmented into multiple chunks
 	 *        at once if non-fragmentable extension headers
 	 *        are too large.
-	 * --yoshfuji 
+	 * --yoshfuji
 	 */
 
 	inet->cork.length += length;
@@ -1129,7 +1129,7 @@ alloc_new_skb:
 
 			/*
 			 * We just reserve space for fragment header.
-			 * Note: this may be overallocation if the message 
+			 * Note: this may be overallocation if the message
 			 * (without MSG_MORE) fits into the MTU.
 			 */
 			alloclen += sizeof(struct frag_hdr);
@@ -1310,7 +1310,7 @@ int ip6_push_pending_frames(struct sock *sk)
 		ipv6_push_nfrag_opts(skb, opt, &proto, &final_dst);
 
 	skb->nh.ipv6h = hdr = (struct ipv6hdr*) skb_push(skb, sizeof(struct ipv6hdr));
-	
+
 	*(__be32*)hdr = fl->fl6_flowlabel |
 		     htonl(0x60000000 | ((int)np->cork.tclass << 20));
 

net/ipv6/ip6_tunnel.c

@@ -3,7 +3,7 @@
  *	Linux INET6 implementation
  *
  *	Authors:
- *	Ville Nuorvala		<vnuorval@tcs.hut.fi>	
+ *	Ville Nuorvala		<vnuorval@tcs.hut.fi>
  *
  *	$Id$
  *
@@ -67,8 +67,8 @@ MODULE_LICENSE("GPL");
 #define HASH_SIZE  32
 
 #define HASH(addr) ((__force u32)((addr)->s6_addr32[0] ^ (addr)->s6_addr32[1] ^ \
-	             (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
-                    (HASH_SIZE - 1))
+		     (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
+		    (HASH_SIZE - 1))
 
 static int ip6ip6_fb_tnl_dev_init(struct net_device *dev);
 static int ip6ip6_tnl_dev_init(struct net_device *dev);
@@ -90,7 +90,7 @@ static inline struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
 {
 	struct dst_entry *dst = t->dst_cache;
 
-	if (dst && dst->obsolete && 
+	if (dst && dst->obsolete &&
 	    dst->ops->check(dst, t->dst_cookie) == NULL) {
 		t->dst_cache = NULL;
 		dst_release(dst);
@@ -116,12 +116,12 @@ static inline void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
 
 /**
  * ip6ip6_tnl_lookup - fetch tunnel matching the end-point addresses
- *   @remote: the address of the tunnel exit-point 
- *   @local: the address of the tunnel entry-point 
+ *   @remote: the address of the tunnel exit-point
+ *   @local: the address of the tunnel entry-point
  *
- * Return:  
+ * Return:
  *   tunnel matching given end-points if found,
- *   else fallback tunnel if its device is up, 
+ *   else fallback tunnel if its device is up,
  *   else %NULL
  **/
 
@@ -146,13 +146,13 @@ ip6ip6_tnl_lookup(struct in6_addr *remote, struct in6_addr *local)
 
 /**
  * ip6ip6_bucket - get head of list matching given tunnel parameters
- *   @p: parameters containing tunnel end-points 
+ *   @p: parameters containing tunnel end-points
  *
  * Description:
- *   ip6ip6_bucket() returns the head of the list matching the 
+ *   ip6ip6_bucket() returns the head of the list matching the
  *   &struct in6_addr entries laddr and raddr in @p.
  *
- * Return: head of IPv6 tunnel list 
+ * Return: head of IPv6 tunnel list
  **/
 
 static struct ip6_tnl **
@@ -213,8 +213,8 @@ ip6ip6_tnl_unlink(struct ip6_tnl *t)
  *
  * Description:
  *   Create tunnel matching given parameters.
- * 
- * Return: 
+ *
+ * Return:
  *   created tunnel or NULL
  **/
 
@@ -234,7 +234,7 @@ static struct ip6_tnl *ip6_tnl_create(struct ip6_tnl_parm *p)
 			if (__dev_get_by_name(name) == NULL)
 				break;
 		}
-		if (i == IP6_TNL_MAX) 
+		if (i == IP6_TNL_MAX)
 			goto failed;
 	}
 	dev = alloc_netdev(sizeof (*t), name, ip6ip6_tnl_dev_setup);
@@ -258,7 +258,7 @@ failed:
 
 /**
  * ip6ip6_tnl_locate - find or create tunnel matching given parameters
- *   @p: tunnel parameters 
+ *   @p: tunnel parameters
  *   @create: != 0 if allowed to create new tunnel if no match found
  *
  * Description:
@@ -289,7 +289,7 @@ static struct ip6_tnl *ip6ip6_tnl_locate(struct ip6_tnl_parm *p, int create)
 /**
  * ip6ip6_tnl_dev_uninit - tunnel device uninitializer
  *   @dev: the device to be destroyed
- *   
+ *
  * Description:
  *   ip6ip6_tnl_dev_uninit() removes tunnel from its list
  **/
@@ -314,8 +314,8 @@ ip6ip6_tnl_dev_uninit(struct net_device *dev)
  * parse_tvl_tnl_enc_lim - handle encapsulation limit option
  *   @skb: received socket buffer
  *
- * Return: 
- *   0 if none was found, 
+ * Return:
+ *   0 if none was found,
  *   else index to encapsulation limit
  **/
 
@@ -392,8 +392,8 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	__u16 len;
 	int err = -ENOENT;
 
-	/* If the packet doesn't contain the original IPv6 header we are 
-	   in trouble since we might need the source address for further 
+	/* If the packet doesn't contain the original IPv6 header we are
+	   in trouble since we might need the source address for further
 	   processing of the error. */
 
 	read_lock(&ip6ip6_lock);
@@ -418,7 +418,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 			if (net_ratelimit())
 				printk(KERN_WARNING
 				       "%s: Too small hop limit or "
-				       "routing loop in tunnel!\n", 
+				       "routing loop in tunnel!\n",
 				       t->parms.name);
 			rel_msg = 1;
 		}
@@ -502,7 +502,7 @@ static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t)
 	int ret = 0;
 
 	if (p->flags & IP6_TNL_F_CAP_RCV) {
-    		struct net_device *ldev = NULL;
+		struct net_device *ldev = NULL;
 
 		if (p->link)
 			ldev = dev_get_by_index(p->link);
@@ -525,7 +525,7 @@ static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t)
  * Return: 0
  **/
 
-static int 
+static int
 ip6ip6_rcv(struct sk_buff *skb)
 {
 	struct ipv6hdr *ipv6h;
@@ -595,13 +595,13 @@ static void init_tel_txopt(struct ipv6_tel_txoption *opt, __u8 encap_limit)
 /**
  * ip6ip6_tnl_addr_conflict - compare packet addresses to tunnel's own
  *   @t: the outgoing tunnel device
- *   @hdr: IPv6 header from the incoming packet 
+ *   @hdr: IPv6 header from the incoming packet
  *
  * Description:
- *   Avoid trivial tunneling loop by checking that tunnel exit-point 
+ *   Avoid trivial tunneling loop by checking that tunnel exit-point
  *   doesn't match source of incoming packet.
  *
- * Return: 
+ * Return:
  *   1 if conflict,
  *   0 else
  **/
@@ -617,7 +617,7 @@ static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
 	struct ip6_tnl_parm *p = &t->parms;
 	int ret = 0;
 
- 	if (p->flags & IP6_TNL_F_CAP_XMIT) {
+	if (p->flags & IP6_TNL_F_CAP_XMIT) {
 		struct net_device *ldev = NULL;
 
 		if (p->link)
@@ -641,19 +641,19 @@ static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
 	return ret;
 }
 /**
- * ip6ip6_tnl_xmit - encapsulate packet and send 
+ * ip6ip6_tnl_xmit - encapsulate packet and send
  *   @skb: the outgoing socket buffer
- *   @dev: the outgoing tunnel device 
+ *   @dev: the outgoing tunnel device
  *
  * Description:
  *   Build new header and do some sanity checks on the packet before sending
  *   it.
  *
- * Return: 
+ * Return:
  *   0
  **/
 
-static int 
+static int
 ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
@@ -715,7 +715,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (tdev == dev) {
 		stats->collisions++;
 		if (net_ratelimit())
-			printk(KERN_WARNING 
+			printk(KERN_WARNING
 			       "%s: Local routing loop detected!\n",
 			       t->parms.name);
 		goto tx_err_dst_release;
@@ -741,11 +741,11 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	 * Okay, now see if we can stuff it in the buffer as-is.
 	 */
 	max_headroom += LL_RESERVED_SPACE(tdev);
-	
-	if (skb_headroom(skb) < max_headroom || 
+
+	if (skb_headroom(skb) < max_headroom ||
 	    skb_cloned(skb) || skb_shared(skb)) {
 		struct sk_buff *new_skb;
-		
+
 		if (!(new_skb = skb_realloc_headroom(skb, max_headroom)))
 			goto tx_err_dst_release;
 
@@ -775,7 +775,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	ipv6_addr_copy(&ipv6h->daddr, &fl.fl6_dst);
 	nf_reset(skb);
 	pkt_len = skb->len;
-	err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, 
+	err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL,
 		      skb->dst->dev, dst_output);
 
 	if (net_xmit_eval(err) == 0) {
@@ -898,14 +898,14 @@ ip6ip6_tnl_change(struct ip6_tnl *t, struct ip6_tnl_parm *p)
 }
 
 /**
- * ip6ip6_tnl_ioctl - configure ipv6 tunnels from userspace 
+ * ip6ip6_tnl_ioctl - configure ipv6 tunnels from userspace
  *   @dev: virtual device associated with tunnel
  *   @ifr: parameters passed from userspace
  *   @cmd: command to be performed
  *
  * Description:
- *   ip6ip6_tnl_ioctl() is used for managing IPv6 tunnels 
- *   from userspace. 
+ *   ip6ip6_tnl_ioctl() is used for managing IPv6 tunnels
+ *   from userspace.
  *
  *   The possible commands are the following:
  *     %SIOCGETTUNNEL: get tunnel parameters for device
@@ -913,7 +913,7 @@ ip6ip6_tnl_change(struct ip6_tnl *t, struct ip6_tnl_parm *p)
  *     %SIOCCHGTUNNEL: change tunnel parameters to those given
  *     %SIOCDELTUNNEL: delete tunnel
  *
- *   The fallback device "ip6tnl0", created during module 
+ *   The fallback device "ip6tnl0", created during module
  *   initialization, can be used for creating other tunnel devices.
  *
  * Return:
@@ -1009,7 +1009,7 @@ ip6ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 }
 
 /**
- * ip6ip6_tnl_get_stats - return the stats for tunnel device 
+ * ip6ip6_tnl_get_stats - return the stats for tunnel device
  *   @dev: virtual device associated with tunnel
  *
  * Return: stats for device
@@ -1102,7 +1102,7 @@ ip6ip6_tnl_dev_init(struct net_device *dev)
  * Return: 0
  **/
 
-static int 
+static int
 ip6ip6_fb_tnl_dev_init(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);

net/ipv6/ipcomp6.c

@@ -9,25 +9,25 @@
  * 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) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
-/* 
+/*
  * [Memo]
  *
  * Outbound:
- *  The compression of IP datagram MUST be done before AH/ESP processing, 
- *  fragmentation, and the addition of Hop-by-Hop/Routing header. 
+ *  The compression of IP datagram MUST be done before AH/ESP processing,
+ *  fragmentation, and the addition of Hop-by-Hop/Routing header.
  *
  * Inbound:
- *  The decompression of IP datagram MUST be done after the reassembly, 
+ *  The decompression of IP datagram MUST be done after the reassembly,
  *  AH/ESP processing.
  */
 #include <linux/module.h>
@@ -176,7 +176,7 @@ out_ok:
 }
 
 static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-		                int type, int code, int offset, __be32 info)
+				int type, int code, int offset, __be32 info)
 {
 	__be32 spi;
 	struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
@@ -422,7 +422,7 @@ static int ipcomp6_init_state(struct xfrm_state *x)
 	x->props.header_len = 0;
 	if (x->props.mode == XFRM_MODE_TUNNEL)
 		x->props.header_len += sizeof(struct ipv6hdr);
-	
+
 	mutex_lock(&ipcomp6_resource_mutex);
 	if (!ipcomp6_alloc_scratches())
 		goto error;
@@ -455,7 +455,7 @@ error:
 	goto out;
 }
 
-static struct xfrm_type ipcomp6_type = 
+static struct xfrm_type ipcomp6_type =
 {
 	.description	= "IPCOMP6",
 	.owner		= THIS_MODULE,
@@ -467,7 +467,7 @@ static struct xfrm_type ipcomp6_type =
 	.hdr_offset	= xfrm6_find_1stfragopt,
 };
 
-static struct inet6_protocol ipcomp6_protocol = 
+static struct inet6_protocol ipcomp6_protocol =
 {
 	.handler	= xfrm6_rcv,
 	.err_handler	= ipcomp6_err,
@@ -490,7 +490,7 @@ static int __init ipcomp6_init(void)
 
 static void __exit ipcomp6_fini(void)
 {
-	if (inet6_del_protocol(&ipcomp6_protocol, IPPROTO_COMP) < 0) 
+	if (inet6_del_protocol(&ipcomp6_protocol, IPPROTO_COMP) < 0)
 		printk(KERN_INFO "ipv6 ipcomp close: can't remove protocol\n");
 	if (xfrm_unregister_type(&ipcomp6_type, AF_INET6) < 0)
 		printk(KERN_INFO "ipv6 ipcomp close: can't remove xfrm type\n");

net/ipv6/ipv6_sockglue.c

@@ -1,9 +1,9 @@
 /*
  *	IPv6 BSD socket options interface
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	Based on linux/net/ipv4/ip_sockglue.c
  *
@@ -164,7 +164,7 @@ out:
 }
 
 static struct packet_type ipv6_packet_type = {
-	.type = __constant_htons(ETH_P_IPV6), 
+	.type = __constant_htons(ETH_P_IPV6),
 	.func = ipv6_rcv,
 	.gso_send_check = ipv6_gso_send_check,
 	.gso_segment = ipv6_gso_segment,
@@ -320,7 +320,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
 		np->rxopt.bits.rxinfo = valbool;
 		retv = 0;
 		break;
-		
+
 	case IPV6_2292PKTINFO:
 		np->rxopt.bits.rxoinfo = valbool;
 		retv = 0;
@@ -376,7 +376,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
 		np->tclass = val;
 		retv = 0;
 		break;
-		
+
 	case IPV6_RECVTCLASS:
 		np->rxopt.bits.rxtclass = valbool;
 		retv = 0;
@@ -893,7 +893,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 	case IPV6_MTU:
 	{
 		struct dst_entry *dst;
-		val = 0;	
+		val = 0;
 		lock_sock(sk);
 		dst = sk_dst_get(sk);
 		if (dst) {

net/ipv6/mcast.c

@@ -1,13 +1,13 @@
 /*
  *	Multicast support for IPv6
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	$Id: mcast.c,v 1.40 2002/02/08 03:57:19 davem Exp $
  *
- *	Based on linux/ipv4/igmp.c and linux/ipv4/ip_sockglue.c 
+ *	Based on linux/ipv4/igmp.c and linux/ipv4/ip_sockglue.c
  *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
@@ -644,7 +644,7 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
 		memset(&ss, 0, sizeof(ss));
 		psin6->sin6_family = AF_INET6;
 		psin6->sin6_addr = psl->sl_addr[i];
-	    	if (copy_to_user(&optval->gf_slist[i], &ss, sizeof(ss)))
+		if (copy_to_user(&optval->gf_slist[i], &ss, sizeof(ss)))
 			return -EFAULT;
 	}
 	return 0;
@@ -1168,7 +1168,7 @@ int igmp6_event_query(struct sk_buff *skb)
 
 	/* compute payload length excluding extension headers */
 	len = ntohs(skb->nh.ipv6h->payload_len) + sizeof(struct ipv6hdr);
-	len -= (char *)skb->h.raw - (char *)skb->nh.ipv6h; 
+	len -= (char *)skb->h.raw - (char *)skb->nh.ipv6h;
 
 	/* Drop queries with not link local source */
 	if (!(ipv6_addr_type(&skb->nh.ipv6h->saddr)&IPV6_ADDR_LINKLOCAL))
@@ -1206,7 +1206,7 @@ int igmp6_event_query(struct sk_buff *skb)
 		/* clear deleted report items */
 		mld_clear_delrec(idev);
 	} else if (len >= 28) {
-		int srcs_offset = sizeof(struct mld2_query) - 
+		int srcs_offset = sizeof(struct mld2_query) -
 				  sizeof(struct icmp6hdr);
 		if (!pskb_may_pull(skb, srcs_offset)) {
 			in6_dev_put(idev);
@@ -1230,7 +1230,7 @@ int igmp6_event_query(struct sk_buff *skb)
 		}
 		/* mark sources to include, if group & source-specific */
 		if (mlh2->nsrcs != 0) {
-			if (!pskb_may_pull(skb, srcs_offset + 
+			if (!pskb_may_pull(skb, srcs_offset +
 			    ntohs(mlh2->nsrcs) * sizeof(struct in6_addr))) {
 				in6_dev_put(idev);
 				return -EINVAL;
@@ -1304,7 +1304,7 @@ int igmp6_event_report(struct sk_buff *skb)
 
 	/* Drop reports with not link local source */
 	addr_type = ipv6_addr_type(&skb->nh.ipv6h->saddr);
-	if (addr_type != IPV6_ADDR_ANY && 
+	if (addr_type != IPV6_ADDR_ANY &&
 	    !(addr_type&IPV6_ADDR_LINKLOCAL))
 		return -EINVAL;
 
@@ -1413,7 +1413,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
 
 	if (ipv6_get_lladdr(dev, &addr_buf)) {
 		/* <draft-ietf-magma-mld-source-05.txt>:
-		 * use unspecified address as the source address 
+		 * use unspecified address as the source address
 		 * when a valid link-local address is not available.
 		 */
 		memset(&addr_buf, 0, sizeof(addr_buf));
@@ -1454,7 +1454,7 @@ static inline int mld_dev_queue_xmit2(struct sk_buff *skb)
 static inline int mld_dev_queue_xmit(struct sk_buff *skb)
 {
 	return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb, NULL, skb->dev,
-	               mld_dev_queue_xmit2);
+		       mld_dev_queue_xmit2);
 }
 
 static void mld_sendpack(struct sk_buff *skb)
@@ -1754,8 +1754,8 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
 {
 	struct sock *sk = igmp6_socket->sk;
 	struct inet6_dev *idev;
-        struct sk_buff *skb;
-        struct icmp6hdr *hdr;
+	struct sk_buff *skb;
+	struct icmp6hdr *hdr;
 	struct in6_addr *snd_addr;
 	struct in6_addr *addrp;
 	struct in6_addr addr_buf;
@@ -1793,7 +1793,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
 
 	if (ipv6_get_lladdr(dev, &addr_buf)) {
 		/* <draft-ietf-magma-mld-source-05.txt>:
-		 * use unspecified address as the source address 
+		 * use unspecified address as the source address
 		 * when a valid link-local address is not available.
 		 */
 		memset(&addr_buf, 0, sizeof(addr_buf));
@@ -2330,7 +2330,7 @@ static inline struct ifmcaddr6 *igmp6_mc_get_first(struct seq_file *seq)
 	struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
 
 	for (state->dev = dev_base, state->idev = NULL;
-	     state->dev; 
+	     state->dev;
 	     state->dev = state->dev->next) {
 		struct inet6_dev *idev;
 		idev = in6_dev_get(state->dev);
@@ -2413,7 +2413,7 @@ static int igmp6_mc_seq_show(struct seq_file *seq, void *v)
 	struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
 
 	seq_printf(seq,
-		   "%-4d %-15s " NIP6_SEQFMT " %5d %08X %ld\n", 
+		   "%-4d %-15s " NIP6_SEQFMT " %5d %08X %ld\n",
 		   state->dev->ifindex, state->dev->name,
 		   NIP6(im->mca_addr),
 		   im->mca_users, im->mca_flags,
@@ -2474,7 +2474,7 @@ static inline struct ip6_sf_list *igmp6_mcf_get_first(struct seq_file *seq)
 	struct igmp6_mcf_iter_state *state = igmp6_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 inet6_dev *idev;
 		idev = in6_dev_get(state->dev);
@@ -2579,7 +2579,7 @@ static int igmp6_mcf_seq_show(struct seq_file *seq, void *v)
 	struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq);
 
 	if (v == SEQ_START_TOKEN) {
-		seq_printf(seq, 
+		seq_printf(seq,
 			   "%3s %6s "
 			   "%32s %32s %6s %6s\n", "Idx",
 			   "Device", "Multicast Address",
@@ -2608,7 +2608,7 @@ static int igmp6_mcf_seq_open(struct inode *inode, struct file *file)
 	struct seq_file *seq;
 	int rc = -ENOMEM;
 	struct igmp6_mcf_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-	
+
 	if (!s)
 		goto out;
 

net/ipv6/mip6.c

@@ -333,7 +333,7 @@ static struct xfrm_type mip6_destopt_type =
 	.destructor	= mip6_destopt_destroy,
 	.input		= mip6_destopt_input,
 	.output		= mip6_destopt_output,
- 	.reject		= mip6_destopt_reject,
+	.reject		= mip6_destopt_reject,
 	.hdr_offset	= mip6_destopt_offset,
 	.local_addr	= mip6_xfrm_addr,
 };

net/ipv6/ndisc.c

@@ -1,9 +1,9 @@
 /*
  *	Neighbour Discovery for IPv6
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *	Mike Shaver		<shaver@ingenia.com>
  *
  *	This program is free software; you can redistribute it and/or
@@ -427,25 +427,25 @@ static inline void ndisc_flow_init(struct flowi *fl, u8 type,
 
 static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
 		   struct in6_addr *daddr, struct in6_addr *solicited_addr,
-	 	   int router, int solicited, int override, int inc_opt) 
+		   int router, int solicited, int override, int inc_opt)
 {
 	struct in6_addr tmpaddr;
 	struct inet6_ifaddr *ifp;
 	struct inet6_dev *idev;
 	struct flowi fl;
 	struct dst_entry* dst;
-        struct sock *sk = ndisc_socket->sk;
+	struct sock *sk = ndisc_socket->sk;
 	struct in6_addr *src_addr;
-        struct nd_msg *msg;
-        int len;
-        struct sk_buff *skb;
+	struct nd_msg *msg;
+	int len;
+	struct sk_buff *skb;
 	int err;
 
 	len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr);
 
 	/* for anycast or proxy, solicited_addr != src_addr */
 	ifp = ipv6_get_ifaddr(solicited_addr, dev, 1);
- 	if (ifp) {
+	if (ifp) {
 		src_addr = solicited_addr;
 		in6_ifa_put(ifp);
 	} else {
@@ -479,7 +479,7 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
 
 	if (skb == NULL) {
 		ND_PRINTK0(KERN_ERR
-			   "ICMPv6 NA: %s() failed to allocate an skb.\n", 
+			   "ICMPv6 NA: %s() failed to allocate an skb.\n",
 			   __FUNCTION__);
 		dst_release(dst);
 		return;
@@ -491,16 +491,16 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
 	msg = (struct nd_msg *)skb_put(skb, len);
 	skb->h.raw = (unsigned char*)msg;
 
-        msg->icmph.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT;
-        msg->icmph.icmp6_code = 0;
-        msg->icmph.icmp6_cksum = 0;
+	msg->icmph.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT;
+	msg->icmph.icmp6_code = 0;
+	msg->icmph.icmp6_cksum = 0;
 
-        msg->icmph.icmp6_unused = 0;
-        msg->icmph.icmp6_router    = router;
-        msg->icmph.icmp6_solicited = solicited;
-        msg->icmph.icmp6_override  = override;
+	msg->icmph.icmp6_unused = 0;
+	msg->icmph.icmp6_router    = router;
+	msg->icmph.icmp6_solicited = solicited;
+	msg->icmph.icmp6_override  = override;
 
-        /* Set the target address. */
+	/* Set the target address. */
 	ipv6_addr_copy(&msg->target, solicited_addr);
 
 	if (inc_opt)
@@ -508,9 +508,9 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
 				       dev->addr_len, dev->type);
 
 	/* checksum */
-	msg->icmph.icmp6_cksum = csum_ipv6_magic(src_addr, daddr, len, 
+	msg->icmph.icmp6_cksum = csum_ipv6_magic(src_addr, daddr, len,
 						 IPPROTO_ICMPV6,
-						 csum_partial((__u8 *) msg, 
+						 csum_partial((__u8 *) msg,
 							      len, 0));
 
 	skb->dst = dst;
@@ -524,20 +524,20 @@ static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh,
 
 	if (likely(idev != NULL))
 		in6_dev_put(idev);
-}        
+}
 
 void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
 		   struct in6_addr *solicit,
-		   struct in6_addr *daddr, struct in6_addr *saddr) 
+		   struct in6_addr *daddr, struct in6_addr *saddr)
 {
 	struct flowi fl;
 	struct dst_entry* dst;
 	struct inet6_dev *idev;
-        struct sock *sk = ndisc_socket->sk;
-        struct sk_buff *skb;
-        struct nd_msg *msg;
+	struct sock *sk = ndisc_socket->sk;
+	struct sk_buff *skb;
+	struct nd_msg *msg;
 	struct in6_addr addr_buf;
-        int len;
+	int len;
 	int err;
 	int send_llinfo;
 
@@ -569,7 +569,7 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
 				  1, &err);
 	if (skb == NULL) {
 		ND_PRINTK0(KERN_ERR
-			   "ICMPv6 NA: %s() failed to allocate an skb.\n", 
+			   "ICMPv6 NA: %s() failed to allocate an skb.\n",
 			   __FUNCTION__);
 		dst_release(dst);
 		return;
@@ -594,9 +594,9 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
 
 	/* checksum */
 	msg->icmph.icmp6_cksum = csum_ipv6_magic(&skb->nh.ipv6h->saddr,
-						 daddr, len, 
+						 daddr, len,
 						 IPPROTO_ICMPV6,
-						 csum_partial((__u8 *) msg, 
+						 csum_partial((__u8 *) msg,
 							      len, 0));
 	/* send it! */
 	skb->dst = dst;
@@ -619,10 +619,10 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
 	struct dst_entry* dst;
 	struct inet6_dev *idev;
 	struct sock *sk = ndisc_socket->sk;
-        struct sk_buff *skb;
-        struct icmp6hdr *hdr;
+	struct sk_buff *skb;
+	struct icmp6hdr *hdr;
 	__u8 * opt;
-        int len;
+	int len;
 	int err;
 
 	ndisc_flow_init(&fl, NDISC_ROUTER_SOLICITATION, saddr, daddr,
@@ -640,13 +640,13 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
 	if (dev->addr_len)
 		len += ndisc_opt_addr_space(dev);
 
-        skb = sock_alloc_send_skb(sk,
+	skb = sock_alloc_send_skb(sk,
 				  (MAX_HEADER + sizeof(struct ipv6hdr) +
 				   len + LL_RESERVED_SPACE(dev)),
 				  1, &err);
 	if (skb == NULL) {
 		ND_PRINTK0(KERN_ERR
-			   "ICMPv6 RS: %s() failed to allocate an skb.\n", 
+			   "ICMPv6 RS: %s() failed to allocate an skb.\n",
 			   __FUNCTION__);
 		dst_release(dst);
 		return;
@@ -655,12 +655,12 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));
 	ip6_nd_hdr(sk, skb, dev, saddr, daddr, IPPROTO_ICMPV6, len);
 
-        hdr = (struct icmp6hdr *)skb_put(skb, len);
-        skb->h.raw = (unsigned char*)hdr;
-        hdr->icmp6_type = NDISC_ROUTER_SOLICITATION;
-        hdr->icmp6_code = 0;
-        hdr->icmp6_cksum = 0;
-        hdr->icmp6_unused = 0;
+	hdr = (struct icmp6hdr *)skb_put(skb, len);
+	skb->h.raw = (unsigned char*)hdr;
+	hdr->icmp6_type = NDISC_ROUTER_SOLICITATION;
+	hdr->icmp6_code = 0;
+	hdr->icmp6_cksum = 0;
+	hdr->icmp6_unused = 0;
 
 	opt = (u8*) (hdr + 1);
 
@@ -686,7 +686,7 @@ void ndisc_send_rs(struct net_device *dev, struct in6_addr *saddr,
 	if (likely(idev != NULL))
 		in6_dev_put(idev);
 }
-		   
+
 
 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb)
 {
@@ -748,7 +748,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 	int is_router;
 
 	if (ipv6_addr_is_multicast(&msg->target)) {
-		ND_PRINTK2(KERN_WARNING 
+		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 NS: multicast target address");
 		return;
 	}
@@ -768,7 +768,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 	}
 
 	if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) {
-		ND_PRINTK2(KERN_WARNING 
+		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 NS: invalid ND options\n");
 		return;
 	}
@@ -782,12 +782,12 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 		}
 
 		/* RFC2461 7.1.1:
-	 	 *	If the IP source address is the unspecified address, 
-		 *	there MUST NOT be source link-layer address option 
+		 *	If the IP source address is the unspecified address,
+		 *	there MUST NOT be source link-layer address option
 		 *	in the message.
 		 */
 		if (dad) {
-			ND_PRINTK2(KERN_WARNING 
+			ND_PRINTK2(KERN_WARNING
 				   "ICMPv6 NS: bad DAD packet (link-layer address option)\n");
 			return;
 		}
@@ -816,7 +816,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 					goto out;
 				}
 			}
-			addrconf_dad_failure(ifp); 
+			addrconf_dad_failure(ifp);
 			return;
 		}
 
@@ -829,7 +829,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 		}
 
 		if (ipv6_chk_acast_addr(dev, &msg->target) ||
-		    (idev->cnf.forwarding && 
+		    (idev->cnf.forwarding &&
 		     (ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) &&
 		     (pneigh = pneigh_lookup(&nd_tbl,
 					     &msg->target, dev, 0)) != NULL)) {
@@ -839,8 +839,8 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 			    idev->nd_parms->proxy_delay != 0) {
 				/*
 				 * for anycast or proxy,
-				 * sender should delay its response 
-				 * by a random time between 0 and 
+				 * sender should delay its response
+				 * by a random time between 0 and
 				 * MAX_ANYCAST_DELAY_TIME seconds.
 				 * (RFC2461) -- yoshfuji
 				 */
@@ -869,14 +869,14 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 	else
 		NEIGH_CACHE_STAT_INC(&nd_tbl, rcv_probes_ucast);
 
-	/* 
+	/*
 	 *	update / create cache entry
 	 *	for the source address
 	 */
 	neigh = __neigh_lookup(&nd_tbl, saddr, dev,
 			       !inc || lladdr || !dev->addr_len);
 	if (neigh)
-		neigh_update(neigh, lladdr, NUD_STALE, 
+		neigh_update(neigh, lladdr, NUD_STALE,
 			     NEIGH_UPDATE_F_WEAK_OVERRIDE|
 			     NEIGH_UPDATE_F_OVERRIDE);
 	if (neigh || !dev->hard_header) {
@@ -926,7 +926,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
 			   "ICMPv6 NA: solicited NA is multicasted.\n");
 		return;
 	}
-		
+
 	if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) {
 		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 NS: invalid ND option\n");
@@ -1057,7 +1057,7 @@ out:
 
 static void ndisc_router_discovery(struct sk_buff *skb)
 {
-        struct ra_msg *ra_msg = (struct ra_msg *) skb->h.raw;
+	struct ra_msg *ra_msg = (struct ra_msg *) skb->h.raw;
 	struct neighbour *neigh = NULL;
 	struct inet6_dev *in6_dev;
 	struct rt6_info *rt = NULL;
@@ -1076,7 +1076,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 		return;
 	}
 	if (optlen < 0) {
-		ND_PRINTK2(KERN_WARNING 
+		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 RA: packet too short\n");
 		return;
 	}
@@ -1286,7 +1286,7 @@ skip_defrtr:
 			rt6_mtu_change(skb->dev, mtu);
 		}
 	}
-			
+
 	if (ndopts.nd_opts_tgt_lladdr || ndopts.nd_opts_rh) {
 		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 RA: invalid RA options");
@@ -1339,7 +1339,7 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
 	if (ipv6_addr_equal(dest, target)) {
 		on_link = 1;
 	} else if (!(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) {
-		ND_PRINTK2(KERN_WARNING 
+		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 Redirect: target address is not link-local.\n");
 		return;
 	}
@@ -1352,11 +1352,11 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
 		return;
 	}
 
-	/* RFC2461 8.1: 
+	/* RFC2461 8.1:
 	 *	The IP source address of the Redirect MUST be the same as the current
 	 *	first-hop router for the specified ICMP Destination Address.
 	 */
-		
+
 	if (!ndisc_parse_options((u8*)(dest + 1), optlen, &ndopts)) {
 		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 Redirect: invalid ND options\n");
@@ -1410,8 +1410,8 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
 		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 Redirect: no link-local address on %s\n",
 			   dev->name);
- 		return;
- 	}
+		return;
+	}
 
 	if (!ipv6_addr_equal(&skb->nh.ipv6h->daddr, target) &&
 	    !(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) {
@@ -1507,7 +1507,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
 	 *	build redirect option and copy skb over to the new packet.
 	 */
 
-	memset(opt, 0, 8);	
+	memset(opt, 0, 8);
 	*(opt++) = ND_OPT_REDIRECT_HDR;
 	*(opt++) = (rd_len >> 3);
 	opt += 6;
@@ -1556,7 +1556,7 @@ int ndisc_rcv(struct sk_buff *skb)
 	}
 
 	if (msg->icmph.icmp6_code != 0) {
-		ND_PRINTK2(KERN_WARNING 
+		ND_PRINTK2(KERN_WARNING
 			   "ICMPv6 NDISC: invalid ICMPv6 code: %d\n",
 			   msg->icmph.icmp6_code);
 		return 0;
@@ -1717,12 +1717,12 @@ int __init ndisc_init(struct net_proto_family *ops)
 {
 	struct ipv6_pinfo *np;
 	struct sock *sk;
-        int err;
+	int err;
 
 	err = sock_create_kern(PF_INET6, SOCK_RAW, IPPROTO_ICMPV6, &ndisc_socket);
 	if (err < 0) {
 		ND_PRINTK0(KERN_ERR
-			   "ICMPv6 NDISC: Failed to initialize the control socket (err %d).\n", 
+			   "ICMPv6 NDISC: Failed to initialize the control socket (err %d).\n",
 			   err);
 		ndisc_socket = NULL; /* For safety. */
 		return err;
@@ -1736,14 +1736,14 @@ int __init ndisc_init(struct net_proto_family *ops)
 	np->mc_loop = 0;
 	sk->sk_prot->unhash(sk);
 
-        /*
-         * Initialize the neighbour table
-         */
-	
+	/*
+	 * Initialize the neighbour table
+	 */
+
 	neigh_table_init(&nd_tbl);
 
 #ifdef CONFIG_SYSCTL
-	neigh_sysctl_register(NULL, &nd_tbl.parms, NET_IPV6, NET_IPV6_NEIGH, 
+	neigh_sysctl_register(NULL, &nd_tbl.parms, NET_IPV6, NET_IPV6_NEIGH,
 			      "ipv6",
 			      &ndisc_ifinfo_sysctl_change,
 			      &ndisc_ifinfo_sysctl_strategy);

net/ipv6/netfilter.c

@@ -91,7 +91,7 @@ __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
 		if (hook != NF_IP6_PRE_ROUTING && hook != NF_IP6_LOCAL_IN)
 			break;
 		if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
-			    	     skb->len - dataoff, protocol,
+				     skb->len - dataoff, protocol,
 				     csum_sub(skb->csum,
 					      skb_checksum(skb, 0,
 							   dataoff, 0)))) {
@@ -106,7 +106,7 @@ __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
 					     protocol,
 					     csum_sub(0,
 						      skb_checksum(skb, 0,
-							           dataoff, 0))));
+								   dataoff, 0))));
 		csum = __skb_checksum_complete(skb);
 	}
 	return csum;

net/ipv6/netfilter/ip6_queue.c

@@ -95,7 +95,7 @@ __ipq_find_entry(ipq_cmpfn cmpfn, unsigned long data)
 
 	list_for_each_prev(p, &queue_list) {
 		struct ipq_queue_entry *entry = (struct ipq_queue_entry *)p;
-		
+
 		if (!cmpfn || cmpfn(entry, data))
 			return entry;
 	}
@@ -127,7 +127,7 @@ static inline void
 __ipq_flush(int verdict)
 {
 	struct ipq_queue_entry *entry;
-	
+
 	while ((entry = __ipq_find_dequeue_entry(NULL, 0)))
 		ipq_issue_verdict(entry, verdict);
 }
@@ -136,21 +136,21 @@ static inline int
 __ipq_set_mode(unsigned char mode, unsigned int range)
 {
 	int status = 0;
-	
+
 	switch(mode) {
 	case IPQ_COPY_NONE:
 	case IPQ_COPY_META:
 		copy_mode = mode;
 		copy_range = 0;
 		break;
-		
+
 	case IPQ_COPY_PACKET:
 		copy_mode = mode;
 		copy_range = range;
 		if (copy_range > 0xFFFF)
 			copy_range = 0xFFFF;
 		break;
-		
+
 	default:
 		status = -EINVAL;
 
@@ -171,7 +171,7 @@ static struct ipq_queue_entry *
 ipq_find_dequeue_entry(ipq_cmpfn cmpfn, unsigned long data)
 {
 	struct ipq_queue_entry *entry;
-	
+
 	write_lock_bh(&queue_lock);
 	entry = __ipq_find_dequeue_entry(cmpfn, data);
 	write_unlock_bh(&queue_lock);
@@ -197,14 +197,14 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
 	struct nlmsghdr *nlh;
 
 	read_lock_bh(&queue_lock);
-	
+
 	switch (copy_mode) {
 	case IPQ_COPY_META:
 	case IPQ_COPY_NONE:
 		size = NLMSG_SPACE(sizeof(*pmsg));
 		data_len = 0;
 		break;
-	
+
 	case IPQ_COPY_PACKET:
 		if ((entry->skb->ip_summed == CHECKSUM_PARTIAL ||
 		     entry->skb->ip_summed == CHECKSUM_COMPLETE) &&
@@ -216,10 +216,10 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
 			data_len = entry->skb->len;
 		else
 			data_len = copy_range;
-		
+
 		size = NLMSG_SPACE(sizeof(*pmsg) + data_len);
 		break;
-	
+
 	default:
 		*errp = -EINVAL;
 		read_unlock_bh(&queue_lock);
@@ -231,7 +231,7 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
 	skb = alloc_skb(size, GFP_ATOMIC);
 	if (!skb)
 		goto nlmsg_failure;
-		
+
 	old_tail= skb->tail;
 	nlh = NLMSG_PUT(skb, 0, 0, IPQM_PACKET, size - sizeof(*nlh));
 	pmsg = NLMSG_DATA(nlh);
@@ -244,29 +244,29 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
 	pmsg->mark            = entry->skb->mark;
 	pmsg->hook            = entry->info->hook;
 	pmsg->hw_protocol     = entry->skb->protocol;
-	
+
 	if (entry->info->indev)
 		strcpy(pmsg->indev_name, entry->info->indev->name);
 	else
 		pmsg->indev_name[0] = '\0';
-	
+
 	if (entry->info->outdev)
 		strcpy(pmsg->outdev_name, entry->info->outdev->name);
 	else
 		pmsg->outdev_name[0] = '\0';
-	
+
 	if (entry->info->indev && entry->skb->dev) {
 		pmsg->hw_type = entry->skb->dev->type;
 		if (entry->skb->dev->hard_header_parse)
 			pmsg->hw_addrlen =
 				entry->skb->dev->hard_header_parse(entry->skb,
-				                                   pmsg->hw_addr);
+								   pmsg->hw_addr);
 	}
-	
+
 	if (data_len)
 		if (skb_copy_bits(entry->skb, 0, pmsg->payload, data_len))
 			BUG();
-		
+
 	nlh->nlmsg_len = skb->tail - old_tail;
 	return skb;
 
@@ -279,7 +279,7 @@ nlmsg_failure:
 }
 
 static int
-ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info, 
+ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info,
 		   unsigned int queuenum, void *data)
 {
 	int status = -EINVAL;
@@ -301,37 +301,37 @@ ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info,
 	nskb = ipq_build_packet_message(entry, &status);
 	if (nskb == NULL)
 		goto err_out_free;
-		
+
 	write_lock_bh(&queue_lock);
-	
+
 	if (!peer_pid)
-		goto err_out_free_nskb; 
+		goto err_out_free_nskb;
 
 	if (queue_total >= queue_maxlen) {
-                queue_dropped++;
+		queue_dropped++;
 		status = -ENOSPC;
 		if (net_ratelimit())
-		        printk (KERN_WARNING "ip6_queue: fill at %d entries, "
+			printk (KERN_WARNING "ip6_queue: fill at %d entries, "
 				"dropping packet(s).  Dropped: %d\n", queue_total,
 				queue_dropped);
 		goto err_out_free_nskb;
 	}
 
- 	/* netlink_unicast will either free the nskb or attach it to a socket */ 
+	/* netlink_unicast will either free the nskb or attach it to a socket */
 	status = netlink_unicast(ipqnl, nskb, peer_pid, MSG_DONTWAIT);
 	if (status < 0) {
- 	        queue_user_dropped++;
+		queue_user_dropped++;
 		goto err_out_unlock;
 	}
-	
+
 	__ipq_enqueue_entry(entry);
 
 	write_unlock_bh(&queue_lock);
 	return status;
-	
+
 err_out_free_nskb:
-	kfree_skb(nskb); 
-	
+	kfree_skb(nskb);
+
 err_out_unlock:
 	write_unlock_bh(&queue_lock);
 
@@ -357,11 +357,11 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
 			return -EINVAL;
 		if (diff > skb_tailroom(e->skb)) {
 			struct sk_buff *newskb;
-			
+
 			newskb = skb_copy_expand(e->skb,
-			                         skb_headroom(e->skb),
-			                         diff,
-			                         GFP_ATOMIC);
+						 skb_headroom(e->skb),
+						 diff,
+						 GFP_ATOMIC);
 			if (newskb == NULL) {
 				printk(KERN_WARNING "ip6_queue: OOM "
 				      "in mangle, dropping packet\n");
@@ -401,11 +401,11 @@ ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len)
 		return -ENOENT;
 	else {
 		int verdict = vmsg->value;
-		
+
 		if (vmsg->data_len && vmsg->data_len == len)
 			if (ipq_mangle_ipv6(vmsg, entry) < 0)
 				verdict = NF_DROP;
-		
+
 		ipq_issue_verdict(entry, verdict);
 		return 0;
 	}
@@ -424,7 +424,7 @@ ipq_set_mode(unsigned char mode, unsigned int range)
 
 static int
 ipq_receive_peer(struct ipq_peer_msg *pmsg,
-                 unsigned char type, unsigned int len)
+		 unsigned char type, unsigned int len)
 {
 	int status = 0;
 
@@ -434,15 +434,15 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg,
 	switch (type) {
 	case IPQM_MODE:
 		status = ipq_set_mode(pmsg->msg.mode.value,
-		                      pmsg->msg.mode.range);
+				      pmsg->msg.mode.range);
 		break;
-		
+
 	case IPQM_VERDICT:
 		if (pmsg->msg.verdict.value > NF_MAX_VERDICT)
 			status = -EINVAL;
 		else
 			status = ipq_set_verdict(&pmsg->msg.verdict,
-			                         len - sizeof(*pmsg));
+						 len - sizeof(*pmsg));
 			break;
 	default:
 		status = -EINVAL;
@@ -456,7 +456,7 @@ dev_cmp(struct ipq_queue_entry *entry, unsigned long ifindex)
 	if (entry->info->indev)
 		if (entry->info->indev->ifindex == ifindex)
 			return 1;
-			
+
 	if (entry->info->outdev)
 		if (entry->info->outdev->ifindex == ifindex)
 			return 1;
@@ -468,7 +468,7 @@ static void
 ipq_dev_drop(int ifindex)
 {
 	struct ipq_queue_entry *entry;
-	
+
 	while ((entry = ipq_find_dequeue_entry(dev_cmp, ifindex)) != NULL)
 		ipq_issue_verdict(entry, NF_DROP);
 }
@@ -492,25 +492,25 @@ ipq_rcv_skb(struct sk_buff *skb)
 
 	pid = nlh->nlmsg_pid;
 	flags = nlh->nlmsg_flags;
-	
+
 	if(pid <= 0 || !(flags & NLM_F_REQUEST) || flags & NLM_F_MULTI)
 		RCV_SKB_FAIL(-EINVAL);
-		
+
 	if (flags & MSG_TRUNC)
 		RCV_SKB_FAIL(-ECOMM);
-		
+
 	type = nlh->nlmsg_type;
 	if (type < NLMSG_NOOP || type >= IPQM_MAX)
 		RCV_SKB_FAIL(-EINVAL);
-		
+
 	if (type <= IPQM_BASE)
 		return;
-	
+
 	if (security_netlink_recv(skb, CAP_NET_ADMIN))
-		RCV_SKB_FAIL(-EPERM);	
+		RCV_SKB_FAIL(-EPERM);
 
 	write_lock_bh(&queue_lock);
-	
+
 	if (peer_pid) {
 		if (peer_pid != pid) {
 			write_unlock_bh(&queue_lock);
@@ -520,17 +520,17 @@ ipq_rcv_skb(struct sk_buff *skb)
 		net_enable_timestamp();
 		peer_pid = pid;
 	}
-		
+
 	write_unlock_bh(&queue_lock);
-	
+
 	status = ipq_receive_peer(NLMSG_DATA(nlh), type,
-	                          nlmsglen - NLMSG_LENGTH(0));
+				  nlmsglen - NLMSG_LENGTH(0));
 	if (status < 0)
 		RCV_SKB_FAIL(status);
-		
+
 	if (flags & NLM_F_ACK)
 		netlink_ack(skb, nlh, 0);
-        return;
+	return;
 }
 
 static void
@@ -540,19 +540,19 @@ ipq_rcv_sk(struct sock *sk, int len)
 	unsigned int qlen;
 
 	mutex_lock(&ipqnl_mutex);
-			
+
 	for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
 		skb = skb_dequeue(&sk->sk_receive_queue);
 		ipq_rcv_skb(skb);
 		kfree_skb(skb);
 	}
-		
+
 	mutex_unlock(&ipqnl_mutex);
 }
 
 static int
 ipq_rcv_dev_event(struct notifier_block *this,
-                  unsigned long event, void *ptr)
+		  unsigned long event, void *ptr)
 {
 	struct net_device *dev = ptr;
 
@@ -568,7 +568,7 @@ static struct notifier_block ipq_dev_notifier = {
 
 static int
 ipq_rcv_nl_event(struct notifier_block *this,
-                 unsigned long event, void *ptr)
+		 unsigned long event, void *ptr)
 {
 	struct netlink_notify *n = ptr;
 
@@ -597,7 +597,7 @@ static ctl_table ipq_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec
 	},
- 	{ .ctl_name = 0 }
+	{ .ctl_name = 0 }
 };
 
 static ctl_table ipq_dir_table[] = {
@@ -627,25 +627,25 @@ ipq_get_info(char *buffer, char **start, off_t offset, int length)
 	int len;
 
 	read_lock_bh(&queue_lock);
-	
+
 	len = sprintf(buffer,
-	              "Peer PID          : %d\n"
-	              "Copy mode         : %hu\n"
-	              "Copy range        : %u\n"
-	              "Queue length      : %u\n"
-	              "Queue max. length : %u\n"
+		      "Peer PID          : %d\n"
+		      "Copy mode         : %hu\n"
+		      "Copy range        : %u\n"
+		      "Queue length      : %u\n"
+		      "Queue max. length : %u\n"
 		      "Queue dropped     : %u\n"
 		      "Netfilter dropped : %u\n",
-	              peer_pid,
-	              copy_mode,
-	              copy_range,
-	              queue_total,
-	              queue_maxlen,
+		      peer_pid,
+		      copy_mode,
+		      copy_range,
+		      queue_total,
+		      queue_maxlen,
 		      queue_dropped,
 		      queue_user_dropped);
 
 	read_unlock_bh(&queue_lock);
-	
+
 	*start = buffer + offset;
 	len -= offset;
 	if (len > length)
@@ -665,10 +665,10 @@ static int __init ip6_queue_init(void)
 {
 	int status = -ENOMEM;
 	struct proc_dir_entry *proc;
-	
+
 	netlink_register_notifier(&ipq_nl_notifier);
 	ipqnl = netlink_kernel_create(NETLINK_IP6_FW, 0, ipq_rcv_sk,
-	                              THIS_MODULE);
+				      THIS_MODULE);
 	if (ipqnl == NULL) {
 		printk(KERN_ERR "ip6_queue: failed to create netlink socket\n");
 		goto cleanup_netlink_notifier;
@@ -681,10 +681,10 @@ static int __init ip6_queue_init(void)
 		printk(KERN_ERR "ip6_queue: failed to create proc entry\n");
 		goto cleanup_ipqnl;
 	}
-	
+
 	register_netdevice_notifier(&ipq_dev_notifier);
 	ipq_sysctl_header = register_sysctl_table(ipq_root_table, 0);
-	
+
 	status = nf_register_queue_handler(PF_INET6, &nfqh);
 	if (status < 0) {
 		printk(KERN_ERR "ip6_queue: failed to register queue handler\n");
@@ -696,12 +696,12 @@ cleanup_sysctl:
 	unregister_sysctl_table(ipq_sysctl_header);
 	unregister_netdevice_notifier(&ipq_dev_notifier);
 	proc_net_remove(IPQ_PROC_FS_NAME);
-	
+
 cleanup_ipqnl:
 	sock_release(ipqnl->sk_socket);
 	mutex_lock(&ipqnl_mutex);
 	mutex_unlock(&ipqnl_mutex);
-	
+
 cleanup_netlink_notifier:
 	netlink_unregister_notifier(&ipq_nl_notifier);
 	return status;

net/ipv6/netfilter/ip6_tables.c

@@ -92,16 +92,16 @@ do {								\
 #endif
 
 /* Check for an extension */
-int 
+int
 ip6t_ext_hdr(u8 nexthdr)
 {
-        return ( (nexthdr == IPPROTO_HOPOPTS)   ||
-                 (nexthdr == IPPROTO_ROUTING)   ||
-                 (nexthdr == IPPROTO_FRAGMENT)  ||
-                 (nexthdr == IPPROTO_ESP)       ||
-                 (nexthdr == IPPROTO_AH)        ||
-                 (nexthdr == IPPROTO_NONE)      ||
-                 (nexthdr == IPPROTO_DSTOPTS) );
+	return ( (nexthdr == IPPROTO_HOPOPTS)   ||
+		 (nexthdr == IPPROTO_ROUTING)   ||
+		 (nexthdr == IPPROTO_FRAGMENT)  ||
+		 (nexthdr == IPPROTO_ESP)       ||
+		 (nexthdr == IPPROTO_AH)        ||
+		 (nexthdr == IPPROTO_NONE)      ||
+		 (nexthdr == IPPROTO_DSTOPTS) );
 }
 
 /* Returns whether matches rule or not. */
@@ -120,9 +120,9 @@ ip6_packet_match(const struct sk_buff *skb,
 #define FWINV(bool,invflg) ((bool) ^ !!(ip6info->invflags & invflg))
 
 	if (FWINV(ipv6_masked_addr_cmp(&ipv6->saddr, &ip6info->smsk,
-	                               &ip6info->src), IP6T_INV_SRCIP)
+				       &ip6info->src), IP6T_INV_SRCIP)
 	    || FWINV(ipv6_masked_addr_cmp(&ipv6->daddr, &ip6info->dmsk,
-	                                  &ip6info->dst), IP6T_INV_DSTIP)) {
+					  &ip6info->dst), IP6T_INV_DSTIP)) {
 		dprintf("Source or dest mismatch.\n");
 /*
 		dprintf("SRC: %u. Mask: %u. Target: %u.%s\n", ip->saddr,
@@ -177,7 +177,7 @@ ip6_packet_match(const struct sk_buff *skb,
 		*fragoff = _frag_off;
 
 		dprintf("Packet protocol %hi ?= %s%hi.\n",
-				protohdr, 
+				protohdr,
 				ip6info->invflags & IP6T_INV_PROTO ? "!":"",
 				ip6info->proto);
 
@@ -197,7 +197,7 @@ ip6_packet_match(const struct sk_buff *skb,
 }
 
 /* should be ip6 safe */
-static inline int 
+static inline int
 ip6_checkentry(const struct ip6t_ip6 *ipv6)
 {
 	if (ipv6->flags & ~IP6T_F_MASK) {
@@ -337,7 +337,7 @@ ip6t_do_table(struct sk_buff **pskb,
 				e = get_entry(table_base, v);
 			} else {
 				/* Targets which reenter must return
-                                   abs. verdicts */
+				   abs. verdicts */
 #ifdef CONFIG_NETFILTER_DEBUG
 				((struct ip6t_entry *)table_base)->comefrom
 					= 0xeeeeeeec;
@@ -534,10 +534,10 @@ check_match(struct ip6t_entry_match *m,
 	int ret;
 
 	match = try_then_request_module(xt_find_match(AF_INET6, m->u.user.name,
-			      		m->u.user.revision),
+					m->u.user.revision),
 					"ip6t_%s", m->u.user.name);
 	if (IS_ERR(match) || !match) {
-	  	duprintf("check_match: `%s' not found\n", m->u.user.name);
+		duprintf("check_match: `%s' not found\n", m->u.user.name);
 		return match ? PTR_ERR(match) : -ENOENT;
 	}
 	m->u.kernel.match = match;
@@ -661,7 +661,7 @@ check_entry_size_and_hooks(struct ip6t_entry *e,
 	}
 
 	/* FIXME: underflows must be unconditional, standard verdicts
-           < 0 (not IP6T_RETURN). --RR */
+	   < 0 (not IP6T_RETURN). --RR */
 
 	/* Clear counters and comefrom */
 	e->counters = ((struct xt_counters) { 0, 0 });
@@ -1003,8 +1003,8 @@ 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))
@@ -1492,9 +1492,9 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
 			}
 			hdrlen = 8;
 		} else if (nexthdr == NEXTHDR_AUTH)
-			hdrlen = (hp->hdrlen + 2) << 2; 
+			hdrlen = (hp->hdrlen + 2) << 2;
 		else
-			hdrlen = ipv6_optlen(hp); 
+			hdrlen = ipv6_optlen(hp);
 
 		nexthdr = hp->nexthdr;
 		len -= hdrlen;

net/ipv6/netfilter/ip6t_HL.c

@@ -1,4 +1,4 @@
-/* 
+/*
  * Hop Limit modification target for ip6tables
  * Maciej Soltysiak <solt@dns.toxicfilms.tv>
  * Based on HW's TTL module
@@ -18,7 +18,7 @@ MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>");
 MODULE_DESCRIPTION("IP6 tables Hop Limit modification module");
 MODULE_LICENSE("GPL");
 
-static unsigned int ip6t_hl_target(struct sk_buff **pskb, 
+static unsigned int ip6t_hl_target(struct sk_buff **pskb,
 				   const struct net_device *in,
 				   const struct net_device *out,
 				   unsigned int hooknum,
@@ -67,7 +67,7 @@ static int ip6t_hl_checkentry(const char *tablename,
 	struct ip6t_HL_info *info = targinfo;
 
 	if (info->mode > IP6T_HL_MAXMODE) {
-		printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n", 
+		printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
 			info->mode);
 		return 0;
 	}
@@ -80,12 +80,12 @@ static int ip6t_hl_checkentry(const char *tablename,
 }
 
 static struct xt_target ip6t_HL = {
-	.name 		= "HL", 
+	.name 		= "HL",
 	.family		= AF_INET6,
-	.target		= ip6t_hl_target, 
+	.target		= ip6t_hl_target,
 	.targetsize	= sizeof(struct ip6t_HL_info),
 	.table		= "mangle",
-	.checkentry	= ip6t_hl_checkentry, 
+	.checkentry	= ip6t_hl_checkentry,
 	.me		= THIS_MODULE
 };
 

net/ipv6/netfilter/ip6t_LOG.c

@@ -145,7 +145,7 @@ static void dump_packet(const struct nf_loginfo *info,
 							&_ahdr);
 				if (ah == NULL) {
 					/*
-					 * Max length: 26 "INCOMPLETE [65535 	
+					 * Max length: 26 "INCOMPLETE [65535
 					 *  bytes] )"
 					 */
 					printk("INCOMPLETE [%u bytes] )",
@@ -387,7 +387,7 @@ ip6t_log_packet(unsigned int pf,
 		loginfo = &default_loginfo;
 
 	spin_lock_bh(&log_lock);
-	printk("<%d>%sIN=%s OUT=%s ", loginfo->u.log.level, 
+	printk("<%d>%sIN=%s OUT=%s ", loginfo->u.log.level,
 		prefix,
 		in ? in->name : "",
 		out ? out->name : "");
@@ -442,7 +442,7 @@ ip6t_log_target(struct sk_buff **pskb,
 	li.u.log.logflags = loginfo->logflags;
 
 	ip6t_log_packet(PF_INET6, hooknum, *pskb, in, out, &li,
-	                loginfo->prefix);
+			loginfo->prefix);
 	return XT_CONTINUE;
 }
 
@@ -470,9 +470,9 @@ static int ip6t_log_checkentry(const char *tablename,
 static struct xt_target ip6t_log_reg = {
 	.name 		= "LOG",
 	.family		= AF_INET6,
-	.target 	= ip6t_log_target, 
+	.target 	= ip6t_log_target,
 	.targetsize	= sizeof(struct ip6t_log_info),
-	.checkentry	= ip6t_log_checkentry, 
+	.checkentry	= ip6t_log_checkentry,
 	.me 		= THIS_MODULE,
 };
 

net/ipv6/netfilter/ip6t_REJECT.c

@@ -189,23 +189,23 @@ static unsigned int reject6_target(struct sk_buff **pskb,
 	/* WARNING: This code causes reentry within ip6tables.
 	   This means that the ip6tables jump stack is now crap.  We
 	   must return an absolute verdict. --RR */
-    	switch (reject->with) {
-    	case IP6T_ICMP6_NO_ROUTE:
-    		send_unreach(*pskb, ICMPV6_NOROUTE, hooknum);
-    		break;
-    	case IP6T_ICMP6_ADM_PROHIBITED:
-    		send_unreach(*pskb, ICMPV6_ADM_PROHIBITED, hooknum);
-    		break;
-    	case IP6T_ICMP6_NOT_NEIGHBOUR:
-    		send_unreach(*pskb, ICMPV6_NOT_NEIGHBOUR, hooknum);
-    		break;
-    	case IP6T_ICMP6_ADDR_UNREACH:
-    		send_unreach(*pskb, ICMPV6_ADDR_UNREACH, hooknum);
-    		break;
-    	case IP6T_ICMP6_PORT_UNREACH:
-    		send_unreach(*pskb, ICMPV6_PORT_UNREACH, hooknum);
-    		break;
-    	case IP6T_ICMP6_ECHOREPLY:
+	switch (reject->with) {
+	case IP6T_ICMP6_NO_ROUTE:
+		send_unreach(*pskb, ICMPV6_NOROUTE, hooknum);
+		break;
+	case IP6T_ICMP6_ADM_PROHIBITED:
+		send_unreach(*pskb, ICMPV6_ADM_PROHIBITED, hooknum);
+		break;
+	case IP6T_ICMP6_NOT_NEIGHBOUR:
+		send_unreach(*pskb, ICMPV6_NOT_NEIGHBOUR, hooknum);
+		break;
+	case IP6T_ICMP6_ADDR_UNREACH:
+		send_unreach(*pskb, ICMPV6_ADDR_UNREACH, hooknum);
+		break;
+	case IP6T_ICMP6_PORT_UNREACH:
+		send_unreach(*pskb, ICMPV6_PORT_UNREACH, hooknum);
+		break;
+	case IP6T_ICMP6_ECHOREPLY:
 		/* Do nothing */
 		break;
 	case IP6T_TCP_RESET:
@@ -226,7 +226,7 @@ static int check(const char *tablename,
 		 void *targinfo,
 		 unsigned int hook_mask)
 {
- 	const struct ip6t_reject_info *rejinfo = targinfo;
+	const struct ip6t_reject_info *rejinfo = targinfo;
 	const struct ip6t_entry *e = entry;
 
 	if (rejinfo->with == IP6T_ICMP6_ECHOREPLY) {

net/ipv6/netfilter/ip6t_ah.c

@@ -78,13 +78,13 @@ match(const struct sk_buff *skb,
 
 	DEBUGP("IPv6 AH spi %02X ",
 	       (spi_match(ahinfo->spis[0], ahinfo->spis[1],
-	                  ntohl(ah->spi),
-	                  !!(ahinfo->invflags & IP6T_AH_INV_SPI))));
+			  ntohl(ah->spi),
+			  !!(ahinfo->invflags & IP6T_AH_INV_SPI))));
 	DEBUGP("len %02X %04X %02X ",
 	       ahinfo->hdrlen, hdrlen,
 	       (!ahinfo->hdrlen ||
-	        (ahinfo->hdrlen == hdrlen) ^
-	        !!(ahinfo->invflags & IP6T_AH_INV_LEN)));
+		(ahinfo->hdrlen == hdrlen) ^
+		!!(ahinfo->invflags & IP6T_AH_INV_LEN)));
 	DEBUGP("res %02X %04X %02X\n",
 	       ahinfo->hdrres, ah->reserved,
 	       !(ahinfo->hdrres && ah->reserved));
@@ -92,12 +92,12 @@ match(const struct sk_buff *skb,
 	return (ah != NULL)
 	       &&
 	       (spi_match(ahinfo->spis[0], ahinfo->spis[1],
-	                  ntohl(ah->spi),
-	                  !!(ahinfo->invflags & IP6T_AH_INV_SPI)))
+			  ntohl(ah->spi),
+			  !!(ahinfo->invflags & IP6T_AH_INV_SPI)))
 	       &&
 	       (!ahinfo->hdrlen ||
-	        (ahinfo->hdrlen == hdrlen) ^
-	        !!(ahinfo->invflags & IP6T_AH_INV_LEN))
+		(ahinfo->hdrlen == hdrlen) ^
+		!!(ahinfo->invflags & IP6T_AH_INV_LEN))
 	       &&
 	       !(ahinfo->hdrres && ah->reserved);
 }
@@ -105,10 +105,10 @@ match(const struct sk_buff *skb,
 /* Called when user tries to insert an entry of this type. */
 static int
 checkentry(const char *tablename,
-          const void *entry,
+	  const void *entry,
 	  const struct xt_match *match,
-          void *matchinfo,
-          unsigned int hook_mask)
+	  void *matchinfo,
+	  unsigned int hook_mask)
 {
 	const struct ip6t_ah *ahinfo = matchinfo;
 

net/ipv6/netfilter/ip6t_hl.c

@@ -41,7 +41,7 @@ static int match(const struct sk_buff *skb,
 			return (ip6h->hop_limit > info->hop_limit);
 			break;
 		default:
-			printk(KERN_WARNING "ip6t_hl: unknown mode %d\n", 
+			printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
 				info->mode);
 			return 0;
 	}

net/ipv6/netfilter/ip6t_ipv6header.c

@@ -1,7 +1,7 @@
 /* ipv6header match - matches IPv6 packets based
    on whether they contain certain headers */
 
-/* Original idea: Brad Chapman 
+/* Original idea: Brad Chapman
  * Rewritten by: Andras Kis-Szabo <kisza@sch.bme.hu> */
 
 /* (C) 2001-2002 Andras Kis-Szabo <kisza@sch.bme.hu>

net/ipv6/netfilter/ip6table_mangle.c

@@ -50,7 +50,7 @@ static struct
       0, NULL, { } },
     {
 	    /* PRE_ROUTING */
-            { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+	    { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
 		0,
 		sizeof(struct ip6t_entry),
 		sizeof(struct ip6t_standard),
@@ -58,7 +58,7 @@ static struct
 	      { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
 		-NF_ACCEPT - 1 } },
 	    /* LOCAL_IN */
-            { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+	    { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
 		0,
 		sizeof(struct ip6t_entry),
 		sizeof(struct ip6t_standard),
@@ -66,7 +66,7 @@ static struct
 	      { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
 		-NF_ACCEPT - 1 } },
 	    /* FORWARD */
-            { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+	    { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
 		0,
 		sizeof(struct ip6t_entry),
 		sizeof(struct ip6t_standard),
@@ -74,7 +74,7 @@ static struct
 	      { { { { IP6T_ALIGN(sizeof(struct ip6t_standard_target)), "" } }, { } },
 		-NF_ACCEPT - 1 } },
 	    /* LOCAL_OUT */
-            { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
+	    { { { { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, { { { 0 } } }, "", "", { 0 }, { 0 }, 0, 0, 0 },
 		0,
 		sizeof(struct ip6t_entry),
 		sizeof(struct ip6t_standard),
@@ -156,7 +156,7 @@ ip6t_local_hook(unsigned int hook,
 
 	ret = ip6t_do_table(pskb, hook, in, out, &packet_mangler);
 
-	if (ret != NF_DROP && ret != NF_STOLEN 
+	if (ret != NF_DROP && ret != NF_STOLEN
 		&& (memcmp(&(*pskb)->nh.ipv6h->saddr, &saddr, sizeof(saddr))
 		    || memcmp(&(*pskb)->nh.ipv6h->daddr, &daddr, sizeof(daddr))
 		    || (*pskb)->mark != mark

net/ipv6/netfilter/ip6table_raw.c

@@ -87,10 +87,10 @@ static struct
 	}
 };
 
-static struct xt_table packet_raw = { 
-	.name = "raw", 
-	.valid_hooks = RAW_VALID_HOOKS, 
-	.lock = RW_LOCK_UNLOCKED, 
+static struct xt_table packet_raw = {
+	.name = "raw",
+	.valid_hooks = RAW_VALID_HOOKS,
+	.lock = RW_LOCK_UNLOCKED,
 	.me = THIS_MODULE,
 	.af = AF_INET6,
 };
@@ -106,17 +106,17 @@ ip6t_hook(unsigned int hook,
 	return ip6t_do_table(pskb, hook, in, out, &packet_raw);
 }
 
-static struct nf_hook_ops ip6t_ops[] = { 
+static struct nf_hook_ops ip6t_ops[] = {
 	{
-	  .hook = ip6t_hook, 
+	  .hook = ip6t_hook,
 	  .pf = PF_INET6,
 	  .hooknum = NF_IP6_PRE_ROUTING,
 	  .priority = NF_IP6_PRI_FIRST,
 	  .owner = THIS_MODULE,
 	},
 	{
-	  .hook = ip6t_hook, 
-	  .pf = PF_INET6, 
+	  .hook = ip6t_hook,
+	  .pf = PF_INET6,
 	  .hooknum = NF_IP6_LOCAL_OUT,
 	  .priority = NF_IP6_PRI_FIRST,
 	  .owner = THIS_MODULE,

net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c

@@ -349,7 +349,7 @@ static ctl_table nf_ct_ipv6_sysctl_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
 	},
-        { .ctl_name = 0 }
+	{ .ctl_name = 0 }
 };
 #endif
 
@@ -386,7 +386,7 @@ static int ipv6_nfattr_to_tuple(struct nfattr *tb[],
 	if (nfattr_bad_size(tb, CTA_IP_MAX, cta_min_ip))
 		return -EINVAL;
 
-	memcpy(&t->src.u3.ip6, NFA_DATA(tb[CTA_IP_V6_SRC-1]), 
+	memcpy(&t->src.u3.ip6, NFA_DATA(tb[CTA_IP_V6_SRC-1]),
 	       sizeof(u_int32_t) * 4);
 	memcpy(&t->dst.u3.ip6, NFA_DATA(tb[CTA_IP_V6_DST-1]),
 	       sizeof(u_int32_t) * 4);

net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c

@@ -104,9 +104,9 @@ static int icmpv6_packet(struct nf_conn *ct,
 		       unsigned int hooknum)
 {
 	/* 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))

net/ipv6/netfilter/nf_conntrack_reasm.c

@@ -311,7 +311,7 @@ static struct nf_ct_frag6_queue *nf_ct_frag6_intern(unsigned int hash,
 	write_lock(&nf_ct_frag6_lock);
 #ifdef CONFIG_SMP
 	hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], list) {
-		if (fq->id == fq_in->id && 
+		if (fq->id == fq_in->id &&
 		    ipv6_addr_equal(&fq_in->saddr, &fq->saddr) &&
 		    ipv6_addr_equal(&fq_in->daddr, &fq->daddr)) {
 			atomic_inc(&fq->refcnt);
@@ -374,7 +374,7 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst)
 
 	read_lock(&nf_ct_frag6_lock);
 	hlist_for_each_entry(fq, n, &nf_ct_frag6_hash[hash], list) {
-		if (fq->id == id && 
+		if (fq->id == id &&
 		    ipv6_addr_equal(src, &fq->saddr) &&
 		    ipv6_addr_equal(dst, &fq->daddr)) {
 			atomic_inc(&fq->refcnt);
@@ -388,7 +388,7 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst)
 }
 
 
-static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb, 
+static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
 			     struct frag_hdr *fhdr, int nhoff)
 {
 	struct sk_buff *prev, *next;
@@ -405,12 +405,12 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
 
 	if ((unsigned int)end > IPV6_MAXPLEN) {
 		DEBUGP("offset is too large.\n");
- 		return -1;
+		return -1;
 	}
 
- 	if (skb->ip_summed == CHECKSUM_COMPLETE)
- 		skb->csum = csum_sub(skb->csum,
- 				     csum_partial(skb->nh.raw,
+	if (skb->ip_summed == CHECKSUM_COMPLETE)
+		skb->csum = csum_sub(skb->csum,
+				     csum_partial(skb->nh.raw,
 						  (u8*)(fhdr + 1) - skb->nh.raw,
 						  0));
 
@@ -625,7 +625,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
 	/* We have to remove fragment header from datagram and to relocate
 	 * header in order to calculate ICV correctly. */
 	head->nh.raw[fq->nhoffset] = head->h.raw[0];
-	memmove(head->head + sizeof(struct frag_hdr), head->head, 
+	memmove(head->head + sizeof(struct frag_hdr), head->head,
 		(head->data - head->head) - sizeof(struct frag_hdr));
 	head->mac.raw += sizeof(struct frag_hdr);
 	head->nh.raw += sizeof(struct frag_hdr);
@@ -701,41 +701,41 @@ out_fail:
 static int
 find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff)
 {
-        u8 nexthdr = skb->nh.ipv6h->nexthdr;
+	u8 nexthdr = skb->nh.ipv6h->nexthdr;
 	u8 prev_nhoff = (u8 *)&skb->nh.ipv6h->nexthdr - skb->data;
 	int start = (u8 *)(skb->nh.ipv6h+1) - skb->data;
 	int len = skb->len - start;
 	u8 prevhdr = NEXTHDR_IPV6;
 
-        while (nexthdr != NEXTHDR_FRAGMENT) {
-                struct ipv6_opt_hdr hdr;
-                int hdrlen;
+	while (nexthdr != NEXTHDR_FRAGMENT) {
+		struct ipv6_opt_hdr hdr;
+		int hdrlen;
 
 		if (!ipv6_ext_hdr(nexthdr)) {
 			return -1;
 		}
-                if (len < (int)sizeof(struct ipv6_opt_hdr)) {
+		if (len < (int)sizeof(struct ipv6_opt_hdr)) {
 			DEBUGP("too short\n");
 			return -1;
 		}
-                if (nexthdr == NEXTHDR_NONE) {
+		if (nexthdr == NEXTHDR_NONE) {
 			DEBUGP("next header is none\n");
 			return -1;
 		}
-                if (skb_copy_bits(skb, start, &hdr, sizeof(hdr)))
-                        BUG();
-                if (nexthdr == NEXTHDR_AUTH)
-                        hdrlen = (hdr.hdrlen+2)<<2;
-                else
-                        hdrlen = ipv6_optlen(&hdr);
+		if (skb_copy_bits(skb, start, &hdr, sizeof(hdr)))
+			BUG();
+		if (nexthdr == NEXTHDR_AUTH)
+			hdrlen = (hdr.hdrlen+2)<<2;
+		else
+			hdrlen = ipv6_optlen(&hdr);
 
 		prevhdr = nexthdr;
 		prev_nhoff = start;
 
-                nexthdr = hdr.nexthdr;
-                len -= hdrlen;
-                start += hdrlen;
-        }
+		nexthdr = hdr.nexthdr;
+		len -= hdrlen;
+		start += hdrlen;
+	}
 
 	if (len < 0)
 		return -1;
@@ -749,7 +749,7 @@ find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff)
 
 struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb)
 {
-	struct sk_buff *clone; 
+	struct sk_buff *clone;
 	struct net_device *dev = skb->dev;
 	struct frag_hdr *fhdr;
 	struct nf_ct_frag6_queue *fq;

net/ipv6/proc.c

@@ -50,7 +50,7 @@ static int sockstat6_seq_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "UDP6: inuse %d\n",
 		       fold_prot_inuse(&udpv6_prot));
 	seq_printf(seq, "UDPLITE6: inuse %d\n",
-		        fold_prot_inuse(&udplitev6_prot));
+			fold_prot_inuse(&udplitev6_prot));
 	seq_printf(seq, "RAW6: inuse %d\n",
 		       fold_prot_inuse(&rawv6_prot));
 	seq_printf(seq, "FRAG6: inuse %d memory %d\n",
@@ -89,7 +89,7 @@ static struct snmp_mib snmp6_icmp6_list[] = {
 /* icmpv6 mib according to RFC 2466
 
    Exceptions:  {In|Out}AdminProhibs are removed, because I see
-                no good reasons to account them separately
+		no good reasons to account them separately
 		of another dest.unreachs.
 		OutErrs is zero identically.
 		OutEchos too.
@@ -146,14 +146,14 @@ static struct snmp_mib snmp6_udplite6_list[] = {
 static unsigned long
 fold_field(void *mib[], int offt)
 {
-        unsigned long res = 0;
-        int i;
- 
-        for_each_possible_cpu(i) {
-                res += *(((unsigned long *)per_cpu_ptr(mib[0], i)) + offt);
-                res += *(((unsigned long *)per_cpu_ptr(mib[1], i)) + offt);
-        }
-        return res;
+	unsigned long res = 0;
+	int i;
+
+	for_each_possible_cpu(i) {
+		res += *(((unsigned long *)per_cpu_ptr(mib[0], i)) + offt);
+		res += *(((unsigned long *)per_cpu_ptr(mib[1], i)) + offt);
+	}
+	return res;
 }
 
 static inline void
@@ -161,7 +161,7 @@ snmp6_seq_show_item(struct seq_file *seq, void **mib, struct snmp_mib *itemlist)
 {
 	int i;
 	for (i=0; itemlist[i].name; i++)
-		seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name, 
+		seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name,
 				fold_field(mib, itemlist[i].entry));
 }
 

net/ipv6/protocol.c

@@ -64,7 +64,7 @@ int inet6_add_protocol(struct inet6_protocol *prot, unsigned char protocol)
 /*
  *	Remove a protocol from the hash tables.
  */
- 
+
 int inet6_del_protocol(struct inet6_protocol *prot, unsigned char protocol)
 {
 	int ret, hash = protocol & (MAX_INET_PROTOS - 1);

net/ipv6/raw.c

@@ -1,9 +1,9 @@
 /*
  *	RAW sockets for IPv6
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	Adapted from linux/net/ipv4/raw.c
  *
@@ -11,7 +11,7 @@
  *
  *	Fixes:
  *	Hideaki YOSHIFUJI	:	sin6_scope_id support
- *	YOSHIFUJI,H.@USAGI	:	raw checksum (RFC2292(bis) compliance) 
+ *	YOSHIFUJI,H.@USAGI	:	raw checksum (RFC2292(bis) compliance)
  *	Kazunori MIYAZAWA @USAGI:	change process style to use ip6_append_data
  *
  *	This program is free software; you can redistribute it and/or
@@ -71,12 +71,12 @@ static void raw_v6_hash(struct sock *sk)
 	write_lock_bh(&raw_v6_lock);
 	sk_add_node(sk, list);
 	sock_prot_inc_use(sk->sk_prot);
- 	write_unlock_bh(&raw_v6_lock);
+	write_unlock_bh(&raw_v6_lock);
 }
 
 static void raw_v6_unhash(struct sock *sk)
 {
- 	write_lock_bh(&raw_v6_lock);
+	write_lock_bh(&raw_v6_lock);
 	if (sk_del_node_init(sk))
 		sock_prot_dec_use(sk->sk_prot);
 	write_unlock_bh(&raw_v6_lock);
@@ -250,7 +250,7 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 				 */
 				sk->sk_bound_dev_if = addr->sin6_scope_id;
 			}
-			
+
 			/* Binding to link-local address requires an interface */
 			if (!sk->sk_bound_dev_if)
 				goto out;
@@ -261,7 +261,7 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 				goto out;
 			}
 		}
-		
+
 		/* ipv4 addr of the socket is invalid.  Only the
 		 * unspecified and mapped address have a v4 equivalent.
 		 */
@@ -324,7 +324,7 @@ void rawv6_err(struct sock *sk, struct sk_buff *skb,
 
 static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
 {
-	if ((raw6_sk(sk)->checksum || sk->sk_filter) && 
+	if ((raw6_sk(sk)->checksum || sk->sk_filter) &&
 	    skb_checksum_complete(skb)) {
 		/* FIXME: increment a raw6 drops counter here */
 		kfree_skb(skb);
@@ -342,10 +342,10 @@ static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb)
 }
 
 /*
- *	This is next to useless... 
+ *	This is next to useless...
  *	if we demultiplex in network layer we don't need the extra call
- *	just to queue the skb... 
- *	maybe we could have the network decide upon a hint if it 
+ *	just to queue the skb...
+ *	maybe we could have the network decide upon a hint if it
  *	should call raw_rcv for demultiplexing
  */
 int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
@@ -353,17 +353,17 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
 	struct inet_sock *inet = inet_sk(sk);
 	struct raw6_sock *rp = raw6_sk(sk);
 
-        if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
-                kfree_skb(skb);
-                return NET_RX_DROP;
-        }
+	if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {
+		kfree_skb(skb);
+		return NET_RX_DROP;
+	}
 
 	if (!rp->checksum)
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	if (skb->ip_summed == CHECKSUM_COMPLETE) {
 		skb_postpull_rcsum(skb, skb->nh.raw,
-		                   skb->h.raw - skb->nh.raw);
+				   skb->h.raw - skb->nh.raw);
 		if (!csum_ipv6_magic(&skb->nh.ipv6h->saddr,
 				     &skb->nh.ipv6h->daddr,
 				     skb->len, inet->num, skb->csum))
@@ -404,8 +404,8 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 
 	if (flags & MSG_OOB)
 		return -EOPNOTSUPP;
-		
-	if (addr_len) 
+
+	if (addr_len)
 		*addr_len=sizeof(*sin6);
 
 	if (flags & MSG_ERRQUEUE)
@@ -416,10 +416,10 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 		goto out;
 
 	copied = skb->len;
-  	if (copied > len) {
-  		copied = len;
-  		msg->msg_flags |= MSG_TRUNC;
-  	}
+	if (copied > len) {
+		copied = len;
+		msg->msg_flags |= MSG_TRUNC;
+	}
 
 	if (skb->ip_summed==CHECKSUM_UNNECESSARY) {
 		err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
@@ -549,7 +549,7 @@ out:
 }
 
 static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
-			struct flowi *fl, struct rt6_info *rt, 
+			struct flowi *fl, struct rt6_info *rt,
 			unsigned int flags)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
@@ -570,7 +570,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
 	skb = sock_alloc_send_skb(sk, length+hh_len+15,
 				  flags&MSG_DONTWAIT, &err);
 	if (skb == NULL)
-		goto error; 
+		goto error;
 	skb_reserve(skb, hh_len);
 
 	skb->priority = sk->sk_priority;
@@ -600,7 +600,7 @@ error_fault:
 	kfree_skb(skb);
 error:
 	IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
-	return err; 
+	return err;
 }
 
 static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
@@ -694,19 +694,19 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		return -EMSGSIZE;
 
 	/* Mirror BSD error message compatibility */
-	if (msg->msg_flags & MSG_OOB)		
+	if (msg->msg_flags & MSG_OOB)
 		return -EOPNOTSUPP;
 
 	/*
-	 *	Get and verify the address. 
+	 *	Get and verify the address.
 	 */
 	memset(&fl, 0, sizeof(fl));
 
 	if (sin6) {
-		if (addr_len < SIN6_LEN_RFC2133) 
+		if (addr_len < SIN6_LEN_RFC2133)
 			return -EINVAL;
 
-		if (sin6->sin6_family && sin6->sin6_family != AF_INET6) 
+		if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
 			return(-EAFNOSUPPORT);
 
 		/* port is the proto value [0..255] carried in nexthdr */
@@ -744,17 +744,17 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		    ipv6_addr_type(daddr)&IPV6_ADDR_LINKLOCAL)
 			fl.oif = sin6->sin6_scope_id;
 	} else {
-		if (sk->sk_state != TCP_ESTABLISHED) 
+		if (sk->sk_state != TCP_ESTABLISHED)
 			return -EDESTADDRREQ;
-		
+
 		proto = inet->num;
 		daddr = &np->daddr;
 		fl.fl6_flowlabel = np->flow_label;
 	}
 
 	if (ipv6_addr_any(daddr)) {
-		/* 
-		 * unspecified destination address 
+		/*
+		 * unspecified destination address
 		 * treated as error... is this correct ?
 		 */
 		fl6_sock_release(flowlabel);
@@ -792,7 +792,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 	err = rawv6_probe_proto_opt(&fl, msg);
 	if (err)
 		goto out;
- 
+
 	ipv6_addr_copy(&fl.fl6_dst, daddr);
 	if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
 		ipv6_addr_copy(&fl.fl6_src, &np->saddr);
@@ -856,7 +856,7 @@ done:
 	dst_release(dst);
 	if (!inet->hdrincl)
 		release_sock(sk);
-out:	
+out:
 	fl6_sock_release(flowlabel);
 	return err<0?err:len;
 do_confirm:
@@ -867,7 +867,7 @@ do_confirm:
 	goto done;
 }
 
-static int rawv6_seticmpfilter(struct sock *sk, int level, int optname, 
+static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
 			       char __user *optval, int optlen)
 {
 	switch (optname) {
@@ -884,7 +884,7 @@ static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
 	return 0;
 }
 
-static int rawv6_geticmpfilter(struct sock *sk, int level, int optname, 
+static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
 			       char __user *optval, int __user *optlen)
 {
 	int len;
@@ -916,7 +916,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
 	struct raw6_sock *rp = raw6_sk(sk);
 	int val;
 
-  	if (get_user(val, (int __user *)optval))
+	if (get_user(val, (int __user *)optval))
 		return -EFAULT;
 
 	switch (optname) {
@@ -1224,7 +1224,7 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
 		   dest->s6_addr32[0], dest->s6_addr32[1],
 		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
-		   sp->sk_state, 
+		   sp->sk_state,
 		   atomic_read(&sp->sk_wmem_alloc),
 		   atomic_read(&sp->sk_rmem_alloc),
 		   0, 0L, 0,

net/ipv6/reassembly.c

@@ -1,9 +1,9 @@
 /*
  *	IPv6 fragment reassembly
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	$Id: reassembly.c,v 1.26 2001/03/07 22:00:57 davem Exp $
  *
@@ -15,8 +15,8 @@
  *      2 of the License, or (at your option) any later version.
  */
 
-/* 
- *	Fixes:	
+/*
+ *	Fixes:
  *	Andi Kleen	Make it work with multiple hosts.
  *			More RFC compliance.
  *
@@ -343,7 +343,7 @@ static struct frag_queue *ip6_frag_intern(struct frag_queue *fq_in)
 	hash = ip6qhashfn(fq_in->id, &fq_in->saddr, &fq_in->daddr);
 #ifdef CONFIG_SMP
 	hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], list) {
-		if (fq->id == fq_in->id && 
+		if (fq->id == fq_in->id &&
 		    ipv6_addr_equal(&fq_in->saddr, &fq->saddr) &&
 		    ipv6_addr_equal(&fq_in->daddr, &fq->daddr)) {
 			atomic_inc(&fq->refcnt);
@@ -406,7 +406,7 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst,
 	read_lock(&ip6_frag_lock);
 	hash = ip6qhashfn(id, src, dst);
 	hlist_for_each_entry(fq, n, &ip6_frag_hash[hash], list) {
-		if (fq->id == id && 
+		if (fq->id == id &&
 		    ipv6_addr_equal(src, &fq->saddr) &&
 		    ipv6_addr_equal(dst, &fq->daddr)) {
 			atomic_inc(&fq->refcnt);
@@ -420,7 +420,7 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst,
 }
 
 
-static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb, 
+static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
 			   struct frag_hdr *fhdr, int nhoff)
 {
 	struct sk_buff *prev, *next;
@@ -436,13 +436,13 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
 	if ((unsigned int)end > IPV6_MAXPLEN) {
 		IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
 				 IPSTATS_MIB_INHDRERRORS);
- 		icmpv6_param_prob(skb,ICMPV6_HDR_FIELD, (u8*)&fhdr->frag_off - skb->nh.raw);
- 		return;
+		icmpv6_param_prob(skb,ICMPV6_HDR_FIELD, (u8*)&fhdr->frag_off - skb->nh.raw);
+		return;
 	}
 
- 	if (skb->ip_summed == CHECKSUM_COMPLETE)
- 		skb->csum = csum_sub(skb->csum,
- 				     csum_partial(skb->nh.raw, (u8*)(fhdr+1)-skb->nh.raw, 0));
+	if (skb->ip_summed == CHECKSUM_COMPLETE)
+		skb->csum = csum_sub(skb->csum,
+				     csum_partial(skb->nh.raw, (u8*)(fhdr+1)-skb->nh.raw, 0));
 
 	/* Is this the final fragment? */
 	if (!(fhdr->frag_off & htons(IP6_MF))) {
@@ -464,7 +464,7 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
 			 */
 			IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
 					 IPSTATS_MIB_INHDRERRORS);
-			icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, 
+			icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
 					  offsetof(struct ipv6hdr, payload_len));
 			return;
 		}
@@ -482,7 +482,7 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
 	/* Point into the IP datagram 'data' part. */
 	if (!pskb_pull(skb, (u8 *) (fhdr + 1) - skb->data))
 		goto err;
-	
+
 	if (pskb_trim_rcsum(skb, end - offset))
 		goto err;
 
@@ -640,7 +640,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
 	 * header in order to calculate ICV correctly. */
 	nhoff = fq->nhoffset;
 	head->nh.raw[nhoff] = head->h.raw[0];
-	memmove(head->head + sizeof(struct frag_hdr), head->head, 
+	memmove(head->head + sizeof(struct frag_hdr), head->head,
 		(head->data - head->head) - sizeof(struct frag_hdr));
 	head->mac.raw += sizeof(struct frag_hdr);
 	head->nh.raw += sizeof(struct frag_hdr);
@@ -695,7 +695,7 @@ out_fail:
 
 static int ipv6_frag_rcv(struct sk_buff **skbp)
 {
-	struct sk_buff *skb = *skbp; 
+	struct sk_buff *skb = *skbp;
 	struct net_device *dev = skb->dev;
 	struct frag_hdr *fhdr;
 	struct frag_queue *fq;

net/ipv6/route.c

@@ -3,7 +3,7 @@
  *	FIB front-end.
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	$Id: route.c,v 1.56 2001/10/31 21:55:55 davem Exp $
  *
@@ -201,7 +201,7 @@ static void ip6_dst_destroy(struct dst_entry *dst)
 	if (idev != NULL) {
 		rt->rt6i_idev = NULL;
 		in6_dev_put(idev);
-	}	
+	}
 }
 
 static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
@@ -252,7 +252,7 @@ static __inline__ struct rt6_info *rt6_device_match(struct rt6_info *rt,
 				    sprt->rt6i_idev->dev->ifindex != oif) {
 					if (strict && oif)
 						continue;
-					if (local && (!oif || 
+					if (local && (!oif ||
 						      local->rt6i_idev->dev->ifindex == oif))
 						continue;
 				}
@@ -350,7 +350,7 @@ static int rt6_score_route(struct rt6_info *rt, int oif,
 			   int strict)
 {
 	int m, n;
-		
+
 	m = rt6_check_dev(rt, oif);
 	if (!m && (strict & RT6_LOOKUP_F_IFACE))
 		return -1;
@@ -723,7 +723,7 @@ void ip6_route_input(struct sk_buff *skb)
 				.flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
 			},
 		},
- 		.mark = skb->mark,
+		.mark = skb->mark,
 		.proto = iph->nexthdr,
 	};
 
@@ -888,9 +888,9 @@ static inline unsigned int ipv6_advmss(unsigned int mtu)
 		mtu = ip6_rt_min_advmss;
 
 	/*
-	 * Maximal non-jumbo IPv6 payload is IPV6_MAXPLEN and 
-	 * corresponding MSS is IPV6_MAXPLEN - tcp_header_size. 
-	 * IPV6_MAXPLEN is also valid and means: "any MSS, 
+	 * Maximal non-jumbo IPv6 payload is IPV6_MAXPLEN and
+	 * corresponding MSS is IPV6_MAXPLEN - tcp_header_size.
+	 * IPV6_MAXPLEN is also valid and means: "any MSS,
 	 * rely only on pmtu discovery"
 	 */
 	if (mtu > IPV6_MAXPLEN - sizeof(struct tcphdr))
@@ -901,7 +901,7 @@ static inline unsigned int ipv6_advmss(unsigned int mtu)
 static struct dst_entry *ndisc_dst_gc_list;
 static DEFINE_SPINLOCK(ndisc_lock);
 
-struct dst_entry *ndisc_dst_alloc(struct net_device *dev, 
+struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
 				  struct neighbour *neigh,
 				  struct in6_addr *addr,
 				  int (*output)(struct sk_buff *))
@@ -934,8 +934,8 @@ struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
 	rt->u.dst.output  = output;
 
 #if 0	/* there's no chance to use these for ndisc */
-	rt->u.dst.flags   = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST 
-				? DST_HOST 
+	rt->u.dst.flags   = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
+				? DST_HOST
 				: 0;
 	ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
 	rt->rt6i_dst.plen = 128;
@@ -958,7 +958,7 @@ int ndisc_dst_gc(int *more)
 	int freed;
 
 	next = NULL;
- 	freed = 0;
+	freed = 0;
 
 	spin_lock_bh(&ndisc_lock);
 	pprev = &ndisc_dst_gc_list;
@@ -1276,7 +1276,7 @@ static int ip6_route_del(struct fib6_config *cfg)
 	fn = fib6_locate(&table->tb6_root,
 			 &cfg->fc_dst, cfg->fc_dst_len,
 			 &cfg->fc_src, cfg->fc_src_len);
-	
+
 	if (fn) {
 		for (rt = fn->leaf; rt; rt = rt->u.next) {
 			if (cfg->fc_ifindex &&
@@ -1405,7 +1405,7 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *src,
 	 *	We have finally decided to accept it.
 	 */
 
-	neigh_update(neigh, lladdr, NUD_STALE, 
+	neigh_update(neigh, lladdr, NUD_STALE,
 		     NEIGH_UPDATE_F_WEAK_OVERRIDE|
 		     NEIGH_UPDATE_F_OVERRIDE|
 		     (on_link ? 0 : (NEIGH_UPDATE_F_OVERRIDE_ISROUTER|
@@ -1454,7 +1454,7 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *src,
 	}
 
 out:
-        dst_release(&rt->u.dst);
+	dst_release(&rt->u.dst);
 	return;
 }
 
@@ -1478,7 +1478,7 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
 
 	if (pmtu < IPV6_MIN_MTU) {
 		/*
-		 * According to RFC2460, PMTU is set to the IPv6 Minimum Link 
+		 * According to RFC2460, PMTU is set to the IPv6 Minimum Link
 		 * MTU (1280) and a fragment header should always be included
 		 * after a node receiving Too Big message reporting PMTU is
 		 * less than the IPv6 Minimum Link MTU.
@@ -1632,7 +1632,7 @@ static struct rt6_info *rt6_add_route_info(struct in6_addr *prefix, int prefixle
 #endif
 
 struct rt6_info *rt6_get_dflt_router(struct in6_addr *addr, struct net_device *dev)
-{	
+{
 	struct rt6_info *rt;
 	struct fib6_table *table;
 
@@ -1896,8 +1896,8 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg)
 	 */
 	if (rt->rt6i_dev == arg->dev &&
 	    !dst_metric_locked(&rt->u.dst, RTAX_MTU) &&
-            (dst_mtu(&rt->u.dst) > arg->mtu ||
-             (dst_mtu(&rt->u.dst) < arg->mtu &&
+	    (dst_mtu(&rt->u.dst) > arg->mtu ||
+	     (dst_mtu(&rt->u.dst) < arg->mtu &&
 	      dst_mtu(&rt->u.dst) == idev->cnf.mtu6)))
 		rt->u.dst.metrics[RTAX_MTU-1] = arg->mtu;
 	rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(arg->mtu);
@@ -2083,13 +2083,13 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
 
 	if (dst) {
 		NLA_PUT(skb, RTA_DST, 16, dst);
-	        rtm->rtm_dst_len = 128;
+		rtm->rtm_dst_len = 128;
 	} else if (rtm->rtm_dst_len)
 		NLA_PUT(skb, RTA_DST, 16, &rt->rt6i_dst.addr);
 #ifdef CONFIG_IPV6_SUBTREES
 	if (src) {
 		NLA_PUT(skb, RTA_SRC, 16, src);
-	        rtm->rtm_src_len = 128;
+		rtm->rtm_src_len = 128;
 	} else if (rtm->rtm_src_len)
 		NLA_PUT(skb, RTA_SRC, 16, &rt->rt6i_src.addr);
 #endif
@@ -2299,7 +2299,7 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
 	arg->len += sprintf(arg->buffer + arg->len,
 			    " %08x %08x %08x %08x %8s\n",
 			    rt->rt6i_metric, atomic_read(&rt->u.dst.__refcnt),
-			    rt->u.dst.__use, rt->rt6i_flags, 
+			    rt->u.dst.__use, rt->rt6i_flags,
 			    rt->rt6i_dev ? rt->rt6i_dev->name : "");
 	return 0;
 }
@@ -2371,91 +2371,91 @@ int ipv6_sysctl_rtcache_flush(ctl_table *ctl, int write, struct file * filp,
 }
 
 ctl_table ipv6_route_table[] = {
-        {
-		.ctl_name	=	NET_IPV6_ROUTE_FLUSH, 
+	{
+		.ctl_name	=	NET_IPV6_ROUTE_FLUSH,
 		.procname	=	"flush",
-         	.data		=	&flush_delay,
+		.data		=	&flush_delay,
 		.maxlen		=	sizeof(int),
 		.mode		=	0200,
-         	.proc_handler	=	&ipv6_sysctl_rtcache_flush
+		.proc_handler	=	&ipv6_sysctl_rtcache_flush
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_GC_THRESH,
 		.procname	=	"gc_thresh",
-         	.data		=	&ip6_dst_ops.gc_thresh,
+		.data		=	&ip6_dst_ops.gc_thresh,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec,
+		.proc_handler	=	&proc_dointvec,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_MAX_SIZE,
 		.procname	=	"max_size",
-         	.data		=	&ip6_rt_max_size,
+		.data		=	&ip6_rt_max_size,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec,
+		.proc_handler	=	&proc_dointvec,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_GC_MIN_INTERVAL,
 		.procname	=	"gc_min_interval",
-         	.data		=	&ip6_rt_gc_min_interval,
+		.data		=	&ip6_rt_gc_min_interval,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec_jiffies,
+		.proc_handler	=	&proc_dointvec_jiffies,
 		.strategy	=	&sysctl_jiffies,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_GC_TIMEOUT,
 		.procname	=	"gc_timeout",
-         	.data		=	&ip6_rt_gc_timeout,
+		.data		=	&ip6_rt_gc_timeout,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec_jiffies,
+		.proc_handler	=	&proc_dointvec_jiffies,
 		.strategy	=	&sysctl_jiffies,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_GC_INTERVAL,
 		.procname	=	"gc_interval",
-         	.data		=	&ip6_rt_gc_interval,
+		.data		=	&ip6_rt_gc_interval,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec_jiffies,
+		.proc_handler	=	&proc_dointvec_jiffies,
 		.strategy	=	&sysctl_jiffies,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_GC_ELASTICITY,
 		.procname	=	"gc_elasticity",
-         	.data		=	&ip6_rt_gc_elasticity,
+		.data		=	&ip6_rt_gc_elasticity,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec_jiffies,
+		.proc_handler	=	&proc_dointvec_jiffies,
 		.strategy	=	&sysctl_jiffies,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_MTU_EXPIRES,
 		.procname	=	"mtu_expires",
-         	.data		=	&ip6_rt_mtu_expires,
+		.data		=	&ip6_rt_mtu_expires,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec_jiffies,
+		.proc_handler	=	&proc_dointvec_jiffies,
 		.strategy	=	&sysctl_jiffies,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_MIN_ADVMSS,
 		.procname	=	"min_adv_mss",
-         	.data		=	&ip6_rt_min_advmss,
+		.data		=	&ip6_rt_min_advmss,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec_jiffies,
+		.proc_handler	=	&proc_dointvec_jiffies,
 		.strategy	=	&sysctl_jiffies,
 	},
 	{
 		.ctl_name	=	NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
 		.procname	=	"gc_min_interval_ms",
-         	.data		=	&ip6_rt_gc_min_interval,
+		.data		=	&ip6_rt_gc_min_interval,
 		.maxlen		=	sizeof(int),
 		.mode		=	0644,
-         	.proc_handler	=	&proc_dointvec_ms_jiffies,
+		.proc_handler	=	&proc_dointvec_ms_jiffies,
 		.strategy	=	&sysctl_ms_jiffies,
 	},
 	{ .ctl_name = 0 }

net/ipv6/sit.c

@@ -3,7 +3,7 @@
  *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *	Alexey Kuznetsov	<kuznet@ms2.inr.ac.ru>
  *
  *	$Id: sit.c,v 1.53 2001/09/25 05:09:53 davem Exp $
@@ -410,7 +410,7 @@ static inline __be32 try_6to4(struct in6_addr *v6dst)
 	__be32 dst = 0;
 
 	if (v6dst->s6_addr16[0] == htons(0x2002)) {
-	        /* 6to4 v6 addr has 16 bits prefix, 32 v4addr, 16 SLA, ... */
+		/* 6to4 v6 addr has 16 bits prefix, 32 v4addr, 16 SLA, ... */
 		memcpy(&dst, &v6dst->s6_addr16[1], 4);
 	}
 	return dst;
@@ -434,7 +434,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 	int    max_headroom;			/* The extra header space needed */
 	__be32 dst = tiph->daddr;
 	int    mtu;
-	struct in6_addr *addr6;	
+	struct in6_addr *addr6;
 	int addr_type;
 
 	if (tunnel->recursion++) {
@@ -537,7 +537,7 @@ static int ipip6_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;
@@ -831,7 +831,7 @@ static int __init sit_init(void)
 		return -EAGAIN;
 	}
 
-	ipip6_fb_tunnel_dev = alloc_netdev(sizeof(struct ip_tunnel), "sit0", 
+	ipip6_fb_tunnel_dev = alloc_netdev(sizeof(struct ip_tunnel), "sit0",
 					   ipip6_tunnel_setup);
 	if (!ipip6_fb_tunnel_dev) {
 		err = -ENOMEM;

net/ipv6/sysctl_net_ipv6.c

@@ -92,7 +92,7 @@ static ctl_table ipv6_net_table[] = {
 		.mode		= 0555,
 		.child		= ipv6_table
 	},
-        { .ctl_name = 0 }
+	{ .ctl_name = 0 }
 };
 
 static ctl_table ipv6_root_table[] = {
@@ -102,7 +102,7 @@ static ctl_table ipv6_root_table[] = {
 		.mode		= 0555,
 		.child		= ipv6_net_table
 	},
-        { .ctl_name = 0 }
+	{ .ctl_name = 0 }
 };
 
 void ipv6_sysctl_register(void)

net/ipv6/tcp_ipv6.c

@@ -1,13 +1,13 @@
 /*
  *	TCP over IPv6
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	$Id: tcp_ipv6.c,v 1.144 2002/02/01 22:01:04 davem Exp $
  *
- *	Based on: 
+ *	Based on:
  *	linux/net/ipv4/tcp.c
  *	linux/net/ipv4/tcp_input.c
  *	linux/net/ipv4/tcp_output.c
@@ -74,7 +74,7 @@ static struct socket *tcp6_socket;
 
 static void	tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
 static void	tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req);
-static void	tcp_v6_send_check(struct sock *sk, int len, 
+static void	tcp_v6_send_check(struct sock *sk, int len,
 				  struct sk_buff *skb);
 
 static int	tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
@@ -106,8 +106,8 @@ static void tcp_v6_hash(struct sock *sk)
 }
 
 static __inline__ __sum16 tcp_v6_check(struct tcphdr *th, int len,
-				   struct in6_addr *saddr, 
-				   struct in6_addr *daddr, 
+				   struct in6_addr *saddr,
+				   struct in6_addr *daddr,
 				   __wsum base)
 {
 	return csum_ipv6_magic(saddr, daddr, len, IPPROTO_TCP, base);
@@ -121,11 +121,11 @@ static __u32 tcp_v6_init_sequence(struct sk_buff *skb)
 					    skb->h.th->source);
 }
 
-static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, 
+static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 			  int addr_len)
 {
 	struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr;
- 	struct inet_sock *inet = inet_sk(sk);
+	struct inet_sock *inet = inet_sk(sk);
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
@@ -135,10 +135,10 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	int addr_type;
 	int err;
 
-	if (addr_len < SIN6_LEN_RFC2133) 
+	if (addr_len < SIN6_LEN_RFC2133)
 		return -EINVAL;
 
-	if (usin->sin6_family != AF_INET6) 
+	if (usin->sin6_family != AF_INET6)
 		return(-EAFNOSUPPORT);
 
 	memset(&fl, 0, sizeof(fl));
@@ -157,11 +157,11 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	}
 
 	/*
-  	 *	connect() to INADDR_ANY means loopback (BSD'ism).
-  	 */
-  	
-  	if(ipv6_addr_any(&usin->sin6_addr))
-		usin->sin6_addr.s6_addr[15] = 0x1; 
+	 *	connect() to INADDR_ANY means loopback (BSD'ism).
+	 */
+
+	if(ipv6_addr_any(&usin->sin6_addr))
+		usin->sin6_addr.s6_addr[15] = 0x1;
 
 	addr_type = ipv6_addr_type(&usin->sin6_addr);
 
@@ -323,7 +323,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	struct ipv6_pinfo *np;
 	struct sock *sk;
 	int err;
-	struct tcp_sock *tp; 
+	struct tcp_sock *tp;
 	__u32 seq;
 
 	sk = inet6_lookup(&tcp_hashinfo, &hdr->daddr, th->dest, &hdr->saddr,
@@ -347,7 +347,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		goto out;
 
 	tp = tcp_sk(sk);
-	seq = ntohl(th->seq); 
+	seq = ntohl(th->seq);
 	if (sk->sk_state != TCP_LISTEN &&
 	    !between(seq, tp->snd_una, tp->snd_nxt)) {
 		NET_INC_STATS_BH(LINUX_MIB_OUTOFWINDOWICMPS);
@@ -434,7 +434,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
 	case TCP_SYN_SENT:
 	case TCP_SYN_RECV:  /* Cannot happen.
-			       It can, it SYNs are crossed. --ANK */ 
+			       It can, it SYNs are crossed. --ANK */
 		if (!sock_owned_by_user(sk)) {
 			sk->sk_err = err;
 			sk->sk_error_report(sk);		/* Wake people up to see the error (see connect in sock.c) */
@@ -519,7 +519,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
 	}
 
 done:
-        if (opt && opt != np->opt)
+	if (opt && opt != np->opt)
 		sock_kfree_s(sk, opt, opt->tot_len);
 	dst_release(dst);
 	return err;
@@ -950,8 +950,8 @@ static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb)
 		th->check = ~csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP,  0);
 		skb->csum_offset = offsetof(struct tcphdr, check);
 	} else {
-		th->check = csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP, 
-					    csum_partial((char *)th, th->doff<<2, 
+		th->check = csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP,
+					    csum_partial((char *)th, th->doff<<2,
 							 skb->csum));
 	}
 }
@@ -977,7 +977,7 @@ static int tcp_v6_gso_send_check(struct sk_buff *skb)
 
 static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 {
-	struct tcphdr *th = skb->h.th, *t1; 
+	struct tcphdr *th = skb->h.th, *t1;
 	struct sk_buff *buff;
 	struct flowi fl;
 	int tot_len = sizeof(*th);
@@ -989,7 +989,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 		return;
 
 	if (!ipv6_unicast_destination(skb))
-		return; 
+		return;
 
 #ifdef CONFIG_TCP_MD5SIG
 	if (sk)
@@ -1008,8 +1008,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 
 	buff = alloc_skb(MAX_HEADER + sizeof(struct ipv6hdr) + tot_len,
 			 GFP_ATOMIC);
-	if (buff == NULL) 
-	  	return;
+	if (buff == NULL)
+		return;
 
 	skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len);
 
@@ -1021,9 +1021,9 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 	t1->source = th->dest;
 	t1->doff = tot_len / 4;
 	t1->rst = 1;
-  
+
 	if(th->ack) {
-	  	t1->seq = th->ack_seq;
+		t1->seq = th->ack_seq;
 	} else {
 		t1->ack = 1;
 		t1->ack_seq = htonl(ntohl(th->seq) + th->syn + th->fin
@@ -1128,7 +1128,7 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
 	t1->window = htons(win);
 
 	topt = (__be32 *)(t1 + 1);
-	
+
 	if (ts) {
 		*topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) |
 				(TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP);
@@ -1243,15 +1243,15 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 		return tcp_v4_conn_request(sk, skb);
 
 	if (!ipv6_unicast_destination(skb))
-		goto drop; 
+		goto drop;
 
 	/*
-	 *	There are no SYN attacks on IPv6, yet...	
+	 *	There are no SYN attacks on IPv6, yet...
 	 */
 	if (inet_csk_reqsk_queue_is_full(sk) && !isn) {
 		if (net_ratelimit())
 			printk(KERN_INFO "TCPv6: dropping request, synflood is possible\n");
-		goto drop;		
+		goto drop;
 	}
 
 	if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
@@ -1292,7 +1292,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	    ipv6_addr_type(&treq->rmt_addr) & IPV6_ADDR_LINKLOCAL)
 		treq->iif = inet6_iif(skb);
 
-	if (isn == 0) 
+	if (isn == 0)
 		isn = tcp_v6_init_sequence(skb);
 
 	tcp_rsk(req)->snt_isn = isn;
@@ -1334,7 +1334,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 		newsk = tcp_v4_syn_recv_sock(sk, skb, req, dst);
 
-		if (newsk == NULL) 
+		if (newsk == NULL)
 			return NULL;
 
 		newtcp6sk = (struct tcp6_sock *)newsk;
@@ -1419,7 +1419,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 		if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
 			goto out;
-	} 
+	}
 
 	newsk = tcp_create_openreq_child(sk, req, skb);
 	if (newsk == NULL)
@@ -1448,7 +1448,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	ipv6_addr_copy(&newnp->rcv_saddr, &treq->loc_addr);
 	newsk->sk_bound_dev_if = treq->iif;
 
-	/* Now IPv6 options... 
+	/* Now IPv6 options...
 
 	   First: no IPv4 options.
 	 */
@@ -1592,7 +1592,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 	   looks not very well thought. For now we latch
 	   options, received in the last packet, enqueued
 	   by tcp. Feel free to propose better solution.
-	                                       --ANK (980728)
+					       --ANK (980728)
 	 */
 	if (np->rxopt.all)
 		opt_skb = skb_clone(skb, GFP_ATOMIC);
@@ -1610,7 +1610,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 	if (skb->len < (skb->h.th->doff<<2) || tcp_checksum_complete(skb))
 		goto csum_err;
 
-	if (sk->sk_state == TCP_LISTEN) { 
+	if (sk->sk_state == TCP_LISTEN) {
 		struct sock *nsk = tcp_v6_hnd_req(sk, skb);
 		if (!nsk)
 			goto discard;
@@ -1620,7 +1620,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 		 * otherwise we just shortcircuit this and continue with
 		 * the new socket..
 		 */
- 		if(nsk != sk) {
+		if(nsk != sk) {
 			if (tcp_child_process(sk, nsk, skb))
 				goto reset;
 			if (opt_skb)
@@ -1681,7 +1681,7 @@ ipv6_pktoptions:
 static int tcp_v6_rcv(struct sk_buff **pskb)
 {
 	struct sk_buff *skb = *pskb;
-	struct tcphdr *th;	
+	struct tcphdr *th;
 	struct sock *sk;
 	int ret;
 
@@ -1739,10 +1739,10 @@ process:
 	ret = 0;
 	if (!sock_owned_by_user(sk)) {
 #ifdef CONFIG_NET_DMA
-                struct tcp_sock *tp = tcp_sk(sk);
-                if (tp->ucopy.dma_chan)
-                        ret = tcp_v6_do_rcv(sk, skb);
-                else
+		struct tcp_sock *tp = tcp_sk(sk);
+		if (tp->ucopy.dma_chan)
+			ret = tcp_v6_do_rcv(sk, skb);
+		else
 #endif
 		{
 			if (!tcp_prequeue(sk, skb))
@@ -1945,7 +1945,7 @@ static int tcp_v6_destroy_sock(struct sock *sk)
 }
 
 /* Proc filesystem TCPv6 sock list dumping. */
-static void get_openreq6(struct seq_file *seq, 
+static void get_openreq6(struct seq_file *seq,
 			 struct sock *sk, struct request_sock *req, int i, int uid)
 {
 	int ttd = req->expires - jiffies;
@@ -1967,11 +1967,11 @@ static void get_openreq6(struct seq_file *seq,
 		   ntohs(inet_rsk(req)->rmt_port),
 		   TCP_SYN_RECV,
 		   0,0, /* could print option size, but that is af dependent. */
-		   1,   /* timers active (only the expire timer) */  
-		   jiffies_to_clock_t(ttd), 
+		   1,   /* timers active (only the expire timer) */
+		   jiffies_to_clock_t(ttd),
 		   req->retrans,
 		   uid,
-		   0,  /* non standard timer */  
+		   0,  /* non standard timer */
 		   0, /* open_requests have no inode */
 		   0, req);
 }
@@ -2014,7 +2014,7 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
 		   dest->s6_addr32[0], dest->s6_addr32[1],
 		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
-		   sp->sk_state, 
+		   sp->sk_state,
 		   tp->write_seq-tp->snd_una,
 		   (sp->sk_state == TCP_LISTEN) ? sp->sk_ack_backlog : (tp->rcv_nxt - tp->copied_seq),
 		   timer_active,
@@ -2031,7 +2031,7 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
 		   );
 }
 
-static void get_timewait6_sock(struct seq_file *seq, 
+static void get_timewait6_sock(struct seq_file *seq,
 			       struct inet_timewait_sock *tw, int i)
 {
 	struct in6_addr *dest, *src;

net/ipv6/udp.c

@@ -1,9 +1,9 @@
 /*
  *	UDP over IPv6
- *	Linux INET6 implementation 
+ *	Linux INET6 implementation
  *
  *	Authors:
- *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *	Pedro Roque		<roque@di.fc.ul.pt>
  *
  *	Based on linux/ipv4/udp.c
  *
@@ -67,7 +67,7 @@ static struct sock *__udp6_lib_lookup(struct in6_addr *saddr, __be16 sport,
 	unsigned short hnum = ntohs(dport);
 	int badness = -1;
 
- 	read_lock(&udp_hash_lock);
+	read_lock(&udp_hash_lock);
 	sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
 		struct inet_sock *inet = inet_sk(sk);
 
@@ -105,7 +105,7 @@ static struct sock *__udp6_lib_lookup(struct in6_addr *saddr, __be16 sport,
 	}
 	if (result)
 		sock_hold(result);
- 	read_unlock(&udp_hash_lock);
+	read_unlock(&udp_hash_lock);
 	return result;
 }
 
@@ -120,13 +120,13 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct inet_sock *inet = inet_sk(sk);
-  	struct sk_buff *skb;
+	struct sk_buff *skb;
 	size_t copied;
 	int err, copy_only, is_udplite = IS_UDPLITE(sk);
 
-  	if (addr_len)
-  		*addr_len=sizeof(struct sockaddr_in6);
-  
+	if (addr_len)
+		*addr_len=sizeof(struct sockaddr_in6);
+
 	if (flags & MSG_ERRQUEUE)
 		return ipv6_recv_error(sk, msg, len);
 
@@ -135,11 +135,11 @@ try_again:
 	if (!skb)
 		goto out;
 
- 	copied = skb->len - sizeof(struct udphdr);
-  	if (copied > len) {
-  		copied = len;
-  		msg->msg_flags |= MSG_TRUNC;
-  	}
+	copied = skb->len - sizeof(struct udphdr);
+	if (copied > len) {
+		copied = len;
+		msg->msg_flags |= MSG_TRUNC;
+	}
 
 	/*
 	 * 	Decide whether to checksum and/or copy data.
@@ -168,7 +168,7 @@ try_again:
 	/* Copy the address. */
 	if (msg->msg_name) {
 		struct sockaddr_in6 *sin6;
-	  
+
 		sin6 = (struct sockaddr_in6 *) msg->msg_name;
 		sin6->sin6_family = AF_INET6;
 		sin6->sin6_port = skb->h.uh->source;
@@ -191,7 +191,7 @@ try_again:
 	} else {
 		if (np->rxopt.all)
 			datagram_recv_ctl(sk, msg, skb);
-  	}
+	}
 
 	err = copied;
 	if (flags & MSG_TRUNC)
@@ -339,7 +339,7 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
  * so we don't need to lock the hashes.
  */
 static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
-		           struct in6_addr *daddr, struct hlist_head udptable[])
+			   struct in6_addr *daddr, struct hlist_head udptable[])
 {
 	struct sock *sk, *sk2;
 	const struct udphdr *uh = skb->h.uh;
@@ -379,7 +379,7 @@ static inline int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh)
 	}
 	if (skb->ip_summed == CHECKSUM_COMPLETE &&
 	    !csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,
-		    	     skb->len, IPPROTO_UDP, skb->csum             ))
+			     skb->len, IPPROTO_UDP, skb->csum             ))
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	if (skb->ip_summed != CHECKSUM_UNNECESSARY)
@@ -396,7 +396,7 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
 {
 	struct sk_buff *skb = *pskb;
 	struct sock *sk;
-  	struct udphdr *uh;
+	struct udphdr *uh;
 	struct net_device *dev = skb->dev;
 	struct in6_addr *saddr, *daddr;
 	u32 ulen = 0;
@@ -437,15 +437,15 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
 			goto discard;
 	}
 
-	/* 
-	 *	Multicast receive code 
+	/*
+	 *	Multicast receive code
 	 */
 	if (ipv6_addr_is_multicast(daddr))
 		return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable);
 
 	/* Unicast */
 
-	/* 
+	/*
 	 * check socket cache ... must talk to Alan about his plans
 	 * for sock caches... i'll skip this for now.
 	 */
@@ -465,21 +465,21 @@ int __udp6_lib_rcv(struct sk_buff **pskb, struct hlist_head udptable[],
 		kfree_skb(skb);
 		return(0);
 	}
-	
+
 	/* deliver */
-	
+
 	udpv6_queue_rcv_skb(sk, skb);
 	sock_put(sk);
 	return(0);
 
-short_packet:	
+short_packet:
 	LIMIT_NETDEBUG(KERN_DEBUG "UDP%sv6: short packet: %d/%u\n",
 		       is_udplite? "-Lite" : "",  ulen, skb->len);
 
 discard:
 	UDP6_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
 	kfree_skb(skb);
-	return(0);	
+	return(0);
 }
 
 static __inline__ int udpv6_rcv(struct sk_buff **pskb)
@@ -498,7 +498,7 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
 		up->len = 0;
 		up->pending = 0;
 		ip6_flush_pending_frames(sk);
-        }
+	}
 }
 
 /*
@@ -594,7 +594,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		if (sk->sk_state != TCP_ESTABLISHED)
 			return -EDESTADDRREQ;
 		daddr = &np->daddr;
-	} else 
+	} else
 		daddr = NULL;
 
 	if (daddr) {
@@ -620,7 +620,7 @@ do_udp_sendmsg:
 	   */
 	if (len > INT_MAX - sizeof(struct udphdr))
 		return -EMSGSIZE;
-	
+
 	if (up->pending) {
 		/*
 		 * There are pending frames.
@@ -713,7 +713,7 @@ do_udp_sendmsg:
 	if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
 		ipv6_addr_copy(&fl.fl6_src, &np->saddr);
 	fl.fl_ip_sport = inet->sport;
-	
+
 	/* merge ip6_build_xmit from ip6_output */
 	if (opt && opt->srcrt) {
 		struct rt0_hdr *rt0 = (struct rt0_hdr *) opt->srcrt;
@@ -911,7 +911,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
 		   dest->s6_addr32[0], dest->s6_addr32[1],
 		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
-		   sp->sk_state, 
+		   sp->sk_state,
 		   atomic_read(&sp->sk_wmem_alloc),
 		   atomic_read(&sp->sk_rmem_alloc),
 		   0, 0L, 0,

net/ipv6/udp_impl.h

@@ -11,9 +11,9 @@ extern void 	__udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *,
 			       int , int , int , __be32 , struct hlist_head []);
 
 extern int	udpv6_getsockopt(struct sock *sk, int level, int optname,
-		     		 char __user *optval, int __user *optlen);
+				 char __user *optval, int __user *optlen);
 extern int	udpv6_setsockopt(struct sock *sk, int level, int optname,
-			  	 char __user *optval, int optlen);
+				 char __user *optval, int optlen);
 #ifdef CONFIG_COMPAT
 extern int	compat_udpv6_setsockopt(struct sock *sk, int level, int optname,
 					char __user *optval, int optlen);
@@ -24,7 +24,7 @@ extern int	udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 			      struct msghdr *msg, size_t len);
 extern int	udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 			      struct msghdr *msg, size_t len,
-		  	      int noblock, int flags, int *addr_len);
+			      int noblock, int flags, int *addr_len);
 extern int	udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
 extern int	udpv6_destroy_sock(struct sock *sk);
 

net/ipv6/xfrm6_input.c

@@ -33,7 +33,7 @@ int xfrm6_rcv_spi(struct sk_buff *skb, __be32 spi)
 	seq = 0;
 	if (!spi && (err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0)
 		goto drop;
-	
+
 	do {
 		struct ipv6hdr *iph = skb->nh.ipv6h;
 
@@ -115,7 +115,7 @@ int xfrm6_rcv_spi(struct sk_buff *skb, __be32 spi)
 		__skb_push(skb, skb->data - skb->nh.raw);
 
 		NF_HOOK(PF_INET6, NF_IP6_PRE_ROUTING, skb, skb->dev, NULL,
-		        ip6_rcv_finish);
+			ip6_rcv_finish);
 		return -1;
 #else
 		return 1;
@@ -142,12 +142,12 @@ int xfrm6_rcv(struct sk_buff **pskb)
 int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
 		     xfrm_address_t *saddr, u8 proto)
 {
- 	struct xfrm_state *x = NULL;
- 	int wildcard = 0;
+	struct xfrm_state *x = NULL;
+	int wildcard = 0;
 	struct in6_addr any;
 	xfrm_address_t *xany;
 	struct xfrm_state *xfrm_vec_one = NULL;
- 	int nh = 0;
+	int nh = 0;
 	int i = 0;
 
 	ipv6_addr_set(&any, 0, 0, 0, 0);
@@ -168,12 +168,12 @@ int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
 			break;
 		case 2:
 		default:
- 			/* lookup state with wild-card addresses */
+			/* lookup state with wild-card addresses */
 			wildcard = 1; /* XXX */
 			dst = xany;
 			src = xany;
 			break;
- 		}
+		}
 
 		x = xfrm_state_lookup_byaddr(dst, src, proto, AF_INET6);
 		if (!x)
@@ -193,8 +193,8 @@ int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
 		if (unlikely(x->km.state != XFRM_STATE_VALID)) {
 			spin_unlock(&x->lock);
 			xfrm_state_put(x);
- 			x = NULL;
- 			continue;
+			x = NULL;
+			continue;
 		}
 		if (xfrm_state_check_expire(x)) {
 			spin_unlock(&x->lock);

net/ipv6/xfrm6_output.c

@@ -2,7 +2,7 @@
  * xfrm6_output.c - Common IPsec encapsulation code for IPv6.
  * Copyright (C) 2002 USAGI/WIDE Project
  * Copyright (c) 2004 Herbert Xu <herbert@gondor.apana.org.au>
- * 
+ *
  * 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
@@ -46,7 +46,7 @@ static int xfrm6_output_one(struct sk_buff *skb)
 	struct dst_entry *dst = skb->dst;
 	struct xfrm_state *x = dst->xfrm;
 	int err;
-	
+
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
 		err = skb_checksum_help(skb);
 		if (err)
@@ -81,7 +81,7 @@ static int xfrm6_output_one(struct sk_buff *skb)
 		spin_unlock_bh(&x->lock);
 
 		skb->nh.raw = skb->data;
-		
+
 		if (!(skb->dst = dst_pop(dst))) {
 			err = -EHOSTUNREACH;
 			goto error_nolock;
@@ -108,7 +108,7 @@ static int xfrm6_output_finish2(struct sk_buff *skb)
 
 	while (likely((err = xfrm6_output_one(skb)) == 0)) {
 		nf_reset(skb);
-	
+
 		err = nf_hook(PF_INET6, NF_IP6_LOCAL_OUT, &skb, NULL,
 			      skb->dst->dev, dst_output);
 		if (unlikely(err != 1))

net/ipv6/xfrm6_policy.c

@@ -8,7 +8,7 @@
  * 		IPv6 support
  * 	YOSHIFUJI Hideaki
  * 		Split up af-specific portion
- * 
+ *
  */
 
 #include <linux/compiler.h>
@@ -247,9 +247,9 @@ __xfrm6_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int
 		x->u.rt6.rt6i_metric   = rt0->rt6i_metric;
 		x->u.rt6.rt6i_node     = rt0->rt6i_node;
 		x->u.rt6.rt6i_gateway  = rt0->rt6i_gateway;
-		memcpy(&x->u.rt6.rt6i_gateway, &rt0->rt6i_gateway, sizeof(x->u.rt6.rt6i_gateway)); 
+		memcpy(&x->u.rt6.rt6i_gateway, &rt0->rt6i_gateway, sizeof(x->u.rt6.rt6i_gateway));
 		x->u.rt6.rt6i_dst      = rt0->rt6i_dst;
-		x->u.rt6.rt6i_src      = rt0->rt6i_src;	
+		x->u.rt6.rt6i_src      = rt0->rt6i_src;
 		x->u.rt6.rt6i_idev     = rt0->rt6i_idev;
 		in6_dev_hold(rt0->rt6i_idev);
 		__xfrm6_bundle_len_dec(&header_len, &nfheader_len, x->u.dst.xfrm);

net/ipv6/xfrm6_state.c

@@ -8,7 +8,7 @@
  * 		IPv6 support
  * 	YOSHIFUJI Hideaki @USAGI
  * 		Split up af-specific portion
- * 	
+ *
  */
 
 #include <net/xfrm.h>

net/ipv6/xfrm6_tunnel.c

@@ -5,12 +5,12 @@
  * 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) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
@@ -32,7 +32,7 @@
 #include <linux/mutex.h>
 
 /*
- * xfrm_tunnel_spi things are for allocating unique id ("spi") 
+ * xfrm_tunnel_spi things are for allocating unique id ("spi")
  * per xfrm_address_t.
  */
 struct xfrm6_tunnel_spi {
@@ -155,8 +155,8 @@ static u32 __xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr)
 
 	for (spi = xfrm6_tunnel_spi; spi <= XFRM6_TUNNEL_SPI_MAX; spi++) {
 		index = xfrm6_tunnel_spi_hash_byspi(spi);
-		hlist_for_each_entry(x6spi, pos, 
-				     &xfrm6_tunnel_spi_byspi[index], 
+		hlist_for_each_entry(x6spi, pos,
+				     &xfrm6_tunnel_spi_byspi[index],
 				     list_byspi) {
 			if (x6spi->spi == spi)
 				goto try_next_1;
@@ -167,8 +167,8 @@ try_next_1:;
 	}
 	for (spi = XFRM6_TUNNEL_SPI_MIN; spi < xfrm6_tunnel_spi; spi++) {
 		index = xfrm6_tunnel_spi_hash_byspi(spi);
-		hlist_for_each_entry(x6spi, pos, 
-				     &xfrm6_tunnel_spi_byspi[index], 
+		hlist_for_each_entry(x6spi, pos,
+				     &xfrm6_tunnel_spi_byspi[index],
 				     list_byspi) {
 			if (x6spi->spi == spi)
 				goto try_next_2;
@@ -222,7 +222,7 @@ void xfrm6_tunnel_free_spi(xfrm_address_t *saddr)
 
 	write_lock_bh(&xfrm6_tunnel_spi_lock);
 
-	hlist_for_each_entry_safe(x6spi, pos, n, 
+	hlist_for_each_entry_safe(x6spi, pos, n,
 				  &xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
 				  list_byaddr)
 	{
@@ -269,9 +269,9 @@ static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 {
 	/* xfrm6_tunnel native err handling */
 	switch (type) {
-	case ICMPV6_DEST_UNREACH: 
+	case ICMPV6_DEST_UNREACH:
 		switch (code) {
-		case ICMPV6_NOROUTE: 
+		case ICMPV6_NOROUTE:
 		case ICMPV6_ADM_PROHIBITED:
 		case ICMPV6_NOT_NEIGHBOUR:
 		case ICMPV6_ADDR_UNREACH:
@@ -287,7 +287,7 @@ static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		case ICMPV6_EXC_HOPLIMIT:
 			break;
 		case ICMPV6_EXC_FRAGTIME:
-		default: 
+		default:
 			break;
 		}
 		break;