[NET] IPV4: Fix whitespace errors.

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

net/ipv4/af_inet.c

@@ -550,7 +550,7 @@ int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
 		if (err < 0)
 			goto out;
 
-  		sock->state = SS_CONNECTING;
+		sock->state = SS_CONNECTING;
 
 		/* Just entered SS_CONNECTING state; the only
 		 * difference is that return value in non-blocking
@@ -878,36 +878,36 @@ static struct net_proto_family inet_family_ops = {
  */
 static struct inet_protosw inetsw_array[] =
 {
-        {
+	{
-                .type =       SOCK_STREAM,
+		.type =       SOCK_STREAM,
-                .protocol =   IPPROTO_TCP,
+		.protocol =   IPPROTO_TCP,
-                .prot =       &tcp_prot,
+		.prot =       &tcp_prot,
-                .ops =        &inet_stream_ops,
+		.ops =        &inet_stream_ops,
-                .capability = -1,
+		.capability = -1,
-                .no_check =   0,
+		.no_check =   0,
-                .flags =      INET_PROTOSW_PERMANENT |
+		.flags =      INET_PROTOSW_PERMANENT |
 			      INET_PROTOSW_ICSK,
-        },
+	},
 
-        {
+	{
-                .type =       SOCK_DGRAM,
+		.type =       SOCK_DGRAM,
-                .protocol =   IPPROTO_UDP,
+		.protocol =   IPPROTO_UDP,
-                .prot =       &udp_prot,
+		.prot =       &udp_prot,
-                .ops =        &inet_dgram_ops,
+		.ops =        &inet_dgram_ops,
-                .capability = -1,
+		.capability = -1,
-                .no_check =   UDP_CSUM_DEFAULT,
+		.no_check =   UDP_CSUM_DEFAULT,
-                .flags =      INET_PROTOSW_PERMANENT,
+		.flags =      INET_PROTOSW_PERMANENT,
        },
 
 
        {
-               .type =       SOCK_RAW,
+	       .type =       SOCK_RAW,
-               .protocol =   IPPROTO_IP,	/* wild card */
+	       .protocol =   IPPROTO_IP,	/* wild card */
-               .prot =       &raw_prot,
+	       .prot =       &raw_prot,
-               .ops =        &inet_sockraw_ops,
+	       .ops =        &inet_sockraw_ops,
-               .capability = CAP_NET_RAW,
+	       .capability = CAP_NET_RAW,
-               .no_check =   UDP_CSUM_DEFAULT,
+	       .no_check =   UDP_CSUM_DEFAULT,
-               .flags =      INET_PROTOSW_REUSE,
+	       .flags =      INET_PROTOSW_REUSE,
        }
 };
 
@@ -1276,7 +1276,7 @@ static int __init inet_init(void)
 	 *	Tell SOCKET that we are alive...
 	 */
 
-  	(void)sock_register(&inet_family_ops);
+	(void)sock_register(&inet_family_ops);
 
 	/*
 	 *	Add all the base protocols.
@@ -1306,9 +1306,9 @@ static int __init inet_init(void)
 
 	arp_init();
 
-  	/*
+	/*
-  	 *	Set the IP module up
+	 *	Set the IP module up
-  	 */
+	 */
 
 	ip_init();
 

net/ipv4/ah4.c

@@ -166,7 +166,7 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 		if (ip_clear_mutable_options(iph, &dummy))
 			goto out;
 	}
-        {
+	{
 		u8 auth_data[MAX_AH_AUTH_LEN];
 
 		memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);

net/ipv4/arp.c

@@ -490,7 +490,7 @@ int arp_find(unsigned char *haddr, struct sk_buff *skb)
 		n->used = jiffies;
 		if (n->nud_state&NUD_VALID || neigh_event_send(n, skb) == 0) {
 			read_lock_bh(&n->lock);
- 			memcpy(haddr, n->ha, dev->addr_len);
+			memcpy(haddr, n->ha, dev->addr_len);
 			read_unlock_bh(&n->lock);
 			neigh_release(n);
 			return 0;
@@ -1181,7 +1181,7 @@ int arp_ioctl(unsigned int cmd, void __user *arg)
 
 	switch(cmd) {
 	case SIOCDARP:
-	        err = arp_req_delete(&r, dev);
+		err = arp_req_delete(&r, dev);
 		break;
 	case SIOCSARP:
 		err = arp_req_set(&r, dev);

net/ipv4/datagram.c

@@ -31,10 +31,10 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 
 
 	if (addr_len < sizeof(*usin))
-	  	return -EINVAL;
+		return -EINVAL;
 
 	if (usin->sin_family != AF_INET)
-	  	return -EAFNOSUPPORT;
+		return -EAFNOSUPPORT;
 
 	sk_dst_reset(sk);
 
@@ -56,8 +56,8 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		ip_rt_put(rt);
 		return -EACCES;
 	}
-  	if (!inet->saddr)
+	if (!inet->saddr)
-	  	inet->saddr = rt->rt_src;	/* Update source address */
+		inet->saddr = rt->rt_src;	/* Update source address */
 	if (!inet->rcv_saddr)
 		inet->rcv_saddr = rt->rt_src;
 	inet->daddr = rt->rt_dst;

net/ipv4/devinet.c

@@ -583,8 +583,8 @@ static __inline__ int inet_abc_len(__be32 addr)
 {
 	int rc = -1;	/* Something else, probably a multicast. */
 
-  	if (ZERONET(addr))
+	if (ZERONET(addr))
-  		rc = 0;
+		rc = 0;
 	else {
 		__u32 haddr = ntohl(addr);
 
@@ -596,7 +596,7 @@ static __inline__ int inet_abc_len(__be32 addr)
 			rc = 24;
 	}
 
-  	return rc;
+	return rc;
 }
 
 
@@ -1539,7 +1539,7 @@ static struct devinet_sysctl_table {
 		},
 	},
 	.devinet_conf_dir = {
-	        {
+		{
 			.ctl_name	= NET_IPV4_CONF,
 			.procname	= "conf",
 			.mode		= 0555,

net/ipv4/esp4.c

@@ -284,7 +284,7 @@ static u32 esp4_get_max_size(struct xfrm_state *x, int mtu)
 		mtu = ALIGN(mtu + 2, 4) + blksize - 4;
 		break;
 	case XFRM_MODE_BEET:
- 		/* The worst case. */
+		/* The worst case. */
 		enclen = IPV4_BEET_PHMAXLEN;
 		mtu = ALIGN(mtu + enclen + 2, blksize);
 		break;

net/ipv4/fib_frontend.c

@@ -378,7 +378,7 @@ static int rtentry_to_fib_config(int cmd, struct rtentry *rt,
 		int len = 0;
 
 		mx = kzalloc(3 * nla_total_size(4), GFP_KERNEL);
- 		if (mx == NULL)
+		if (mx == NULL)
 			return -ENOMEM;
 
 		if (rt->rt_flags & RTF_MTU)
@@ -600,7 +600,7 @@ int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 				goto next;
 			if (dumped)
 				memset(&cb->args[2], 0, sizeof(cb->args) -
-				                 2 * sizeof(cb->args[0]));
+						 2 * sizeof(cb->args[0]));
 			if (tb->tb_dump(tb, skb, cb) < 0)
 				goto out;
 			dumped = 1;
@@ -791,7 +791,7 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
 static void nl_fib_input(struct sock *sk, int len)
 {
 	struct sk_buff *skb = NULL;
-        struct nlmsghdr *nlh = NULL;
+	struct nlmsghdr *nlh = NULL;
 	struct fib_result_nl *frn;
 	u32 pid;
 	struct fib_table *tb;

net/ipv4/fib_semantics.c

@@ -90,7 +90,7 @@ static const struct
 	int	error;
 	u8	scope;
 } fib_props[RTA_MAX + 1] = {
-        {
+	{
 		.error	= 0,
 		.scope	= RT_SCOPE_NOWHERE,
 	},	/* RTN_UNSPEC */
@@ -508,9 +508,9 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
    Normally it looks as following.
 
    {universe prefix}  -> (gw, oif) [scope link]
-                          |
+			  |
 			  |-> {link prefix} -> (gw, oif) [scope local]
-			                        |
+						|
 						|-> {local prefix} (terminal node)
  */
 
@@ -864,7 +864,7 @@ err_inval:
 	err = -EINVAL;
 
 failure:
-        if (fi) {
+	if (fi) {
 		fi->fib_dead = 1;
 		free_fib_info(fi);
 	}

net/ipv4/fib_trie.c

@@ -355,7 +355,7 @@ static inline void tnode_free(struct tnode *tn)
 		struct leaf *l = (struct leaf *) tn;
 		call_rcu_bh(&l->rcu, __leaf_free_rcu);
 	}
-        else
+	else
 		call_rcu(&tn->rcu, __tnode_free_rcu);
 }
 
@@ -461,7 +461,7 @@ static struct node *resize(struct trie *t, struct tnode *tn)
 	int inflate_threshold_use;
 	int halve_threshold_use;
 
- 	if (!tn)
+	if (!tn)
 		return NULL;
 
 	pr_debug("In tnode_resize %p inflate_threshold=%d threshold=%d\n",
@@ -665,10 +665,10 @@ static struct tnode *inflate(struct trie *t, struct tnode *tn)
 			right = tnode_new(inode->key|m, inode->pos + 1,
 					  inode->bits - 1);
 
-                        if (!right) {
+			if (!right) {
 				tnode_free(left);
 				goto nomem;
-                        }
+			}
 
 			put_child(t, tn, 2*i, (struct node *) left);
 			put_child(t, tn, 2*i+1, (struct node *) right);
@@ -890,23 +890,23 @@ static inline struct list_head * get_fa_head(struct leaf *l, int plen)
 
 static void insert_leaf_info(struct hlist_head *head, struct leaf_info *new)
 {
-        struct leaf_info *li = NULL, *last = NULL;
+	struct leaf_info *li = NULL, *last = NULL;
-        struct hlist_node *node;
+	struct hlist_node *node;
 
-        if (hlist_empty(head)) {
+	if (hlist_empty(head)) {
-                hlist_add_head_rcu(&new->hlist, head);
+		hlist_add_head_rcu(&new->hlist, head);
-        } else {
+	} else {
-                hlist_for_each_entry(li, node, head, hlist) {
+		hlist_for_each_entry(li, node, head, hlist) {
-                        if (new->plen > li->plen)
+			if (new->plen > li->plen)
-                                break;
+				break;
 
-                        last = li;
+			last = li;
-                }
+		}
-                if (last)
+		if (last)
-                        hlist_add_after_rcu(&last->hlist, &new->hlist);
+			hlist_add_after_rcu(&last->hlist, &new->hlist);
-                else
+		else
-                        hlist_add_before_rcu(&new->hlist, &li->hlist);
+			hlist_add_before_rcu(&new->hlist, &li->hlist);
-        }
+	}
 }
 
 /* rcu_read_lock needs to be hold by caller from readside */
@@ -1700,7 +1700,7 @@ static struct leaf *nextleaf(struct trie *t, struct leaf *thisleaf)
 			/* Decend if tnode */
 			while (IS_TNODE(c)) {
 				p = (struct tnode *) c;
-  				idx = 0;
+				idx = 0;
 
 				/* Rightmost non-NULL branch */
 				if (p && IS_TNODE(p))

net/ipv4/icmp.c

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

net/ipv4/igmp.c

@@ -909,7 +909,7 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
 		else
 			im->gsquery = mark;
 		changed = !im->gsquery ||
-		    	igmp_marksources(im, ntohs(ih3->nsrcs), ih3->srcs);
+			igmp_marksources(im, ntohs(ih3->nsrcs), ih3->srcs);
 		spin_unlock_bh(&im->lock);
 		if (changed)
 			igmp_mod_timer(im, max_delay);

net/ipv4/inet_connection_sock.c

@@ -149,7 +149,7 @@ success:
 	if (!inet_csk(sk)->icsk_bind_hash)
 		inet_bind_hash(sk, tb, snum);
 	BUG_TRAP(inet_csk(sk)->icsk_bind_hash == tb);
- 	ret = 0;
+	ret = 0;
 
 fail_unlock:
 	spin_unlock(&head->lock);

net/ipv4/inet_diag.c

@@ -381,7 +381,7 @@ static int inet_diag_bc_run(const void *bc, int len,
 				if (addr[0] == 0 && addr[1] == 0 &&
 				    addr[2] == htonl(0xffff) &&
 				    bitstring_match(addr + 3, cond->addr,
-					    	    cond->prefix_len))
+						    cond->prefix_len))
 					break;
 			}
 			yes = 0;

net/ipv4/inet_hashtables.c

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

net/ipv4/ip_forward.c

@@ -76,7 +76,7 @@ int ip_forward(struct sk_buff *skb)
 	 *	that the packet's lifetime expired.
 	 */
 	if (skb->nh.iph->ttl <= 1)
-                goto too_many_hops;
+		goto too_many_hops;
 
 	if (!xfrm4_route_forward(skb))
 		goto drop;
@@ -107,16 +107,16 @@ int ip_forward(struct sk_buff *skb)
 		       ip_forward_finish);
 
 sr_failed:
-        /*
+	/*
 	 *	Strict routing permits no gatewaying
 	 */
-         icmp_send(skb, ICMP_DEST_UNREACH, ICMP_SR_FAILED, 0);
+	 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_SR_FAILED, 0);
-         goto drop;
+	 goto drop;
 
 too_many_hops:
-        /* Tell the sender its packet died... */
+	/* Tell the sender its packet died... */
-        IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
+	IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
-        icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0);
+	icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0);
 drop:
 	kfree_skb(skb);
 	return NET_RX_DROP;

net/ipv4/ip_fragment.c

@@ -479,14 +479,14 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 		goto err;
 	}
 
- 	offset = ntohs(skb->nh.iph->frag_off);
+	offset = ntohs(skb->nh.iph->frag_off);
 	flags = offset & ~IP_OFFSET;
 	offset &= IP_OFFSET;
 	offset <<= 3;		/* offset is in 8-byte chunks */
- 	ihl = skb->nh.iph->ihl * 4;
+	ihl = skb->nh.iph->ihl * 4;
 
 	/* Determine the position of this fragment. */
- 	end = offset + skb->len - ihl;
+	end = offset + skb->len - ihl;
 
 	/* Is this the final fragment? */
 	if ((flags & IP_MF) == 0) {
@@ -589,8 +589,8 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 	else
 		qp->fragments = skb;
 
- 	if (skb->dev)
+	if (skb->dev)
- 		qp->iif = skb->dev->ifindex;
+		qp->iif = skb->dev->ifindex;
 	skb->dev = NULL;
 	skb_get_timestamp(skb, &qp->stamp);
 	qp->meat += skb->len;
@@ -684,7 +684,7 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev)
 	return head;
 
 out_nomem:
- 	LIMIT_NETDEBUG(KERN_ERR "IP: queue_glue: no memory for gluing "
+	LIMIT_NETDEBUG(KERN_ERR "IP: queue_glue: no memory for gluing "
 			      "queue %p\n", qp);
 	goto out_fail;
 out_oversize:

net/ipv4/ip_gre.c

@@ -816,7 +816,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-  			stats->tx_dropped++;
+			stats->tx_dropped++;
 			dev_kfree_skb(skb);
 			tunnel->recursion--;
 			return 0;

net/ipv4/ip_input.c

@@ -202,8 +202,8 @@ static inline int ip_local_deliver_finish(struct sk_buff *skb)
 
 	__skb_pull(skb, ihl);
 
-        /* Point into the IP datagram, just past the header. */
+	/* Point into the IP datagram, just past the header. */
-        skb->h.raw = skb->data;
+	skb->h.raw = skb->data;
 
 	rcu_read_lock();
 	{
@@ -363,8 +363,8 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
 	return dst_input(skb);
 
 drop:
-        kfree_skb(skb);
+	kfree_skb(skb);
-        return NET_RX_DROP;
+	return NET_RX_DROP;
 }
 
 /*
@@ -437,9 +437,9 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
 inhdr_error:
 	IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
 drop:
-        kfree_skb(skb);
+	kfree_skb(skb);
 out:
-        return NET_RX_DROP;
+	return NET_RX_DROP;
 }
 
 EXPORT_SYMBOL(ip_statistics);

net/ipv4/ip_options.c

@@ -448,7 +448,7 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 				goto error;
 			}
 			opt->cipso = optptr - iph;
-		        if (cipso_v4_validate(&optptr)) {
+			if (cipso_v4_validate(&optptr)) {
 				pp_ptr = optptr;
 				goto error;
 			}

net/ipv4/ip_output.c

@@ -277,7 +277,7 @@ int ip_output(struct sk_buff *skb)
 	skb->protocol = htons(ETH_P_IP);
 
 	return NF_HOOK_COND(PF_INET, NF_IP_POST_ROUTING, skb, NULL, dev,
-		            ip_finish_output,
+			    ip_finish_output,
 			    !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
 
@@ -993,7 +993,7 @@ alloc_new_skb:
 						goto error;
 					}
 					get_page(page);
-	 				skb_fill_page_desc(skb, i, page, sk->sk_sndmsg_off, 0);
+					skb_fill_page_desc(skb, i, page, sk->sk_sndmsg_off, 0);
 					frag = &skb_shinfo(skb)->frags[i];
 				}
 			} else if (i < MAX_SKB_FRAGS) {
@@ -1357,7 +1357,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
 				    /* Not quite clean, but right. */
 				    .uli_u = { .ports =
 					       { .sport = skb->h.th->dest,
-					         .dport = skb->h.th->source } },
+						 .dport = skb->h.th->source } },
 				    .proto = sk->sk_protocol };
 		security_skb_classify_flow(skb, &fl);
 		if (ip_route_output_key(&rt, &fl))

net/ipv4/ip_sockglue.c

@@ -556,12 +556,12 @@ static int do_ip_setsockopt(struct sock *sk, int level,
 			if (val < 0 || val > 255)
 				goto e_inval;
 			inet->mc_ttl = val;
-	                break;
+			break;
 		case IP_MULTICAST_LOOP:
 			if (optlen<1)
 				goto e_inval;
 			inet->mc_loop = !!val;
-	                break;
+			break;
 		case IP_MULTICAST_IF:
 		{
 			struct ip_mreqn mreq;
@@ -866,7 +866,7 @@ mc_msf_out:
 			if (optlen<1)
 				goto e_inval;
 			inet->freebind = !!val;
-	                break;			
+			break;
 
 		case IP_IPSEC_POLICY:
 		case IP_XFRM_POLICY:
@@ -1059,8 +1059,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 			addr.s_addr = inet->mc_addr;
 			release_sock(sk);
 
-  			if(put_user(len, optlen))
+			if(put_user(len, optlen))
-  				return -EFAULT;
+				return -EFAULT;
 			if(copy_to_user(optval, &addr, len))
 				return -EFAULT;
 			return 0;
@@ -1168,7 +1168,7 @@ int ip_getsockopt(struct sock *sk, int level,
 		&& (optname < MRT_BASE || optname > MRT_BASE+10)
 #endif
 	   ) {
-	   	int len;
+		int len;
 
 		if(get_user(len,optlen))
 			return -EFAULT;
@@ -1197,7 +1197,7 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname,
 	    && (optname < MRT_BASE || optname > MRT_BASE+10)
 #endif
 	   ) {
-	   	int len;
+		int len;
 
 		if (get_user(len, optlen))
 			return -EFAULT;

net/ipv4/ipcomp.c

@@ -85,7 +85,7 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
 	struct ip_comp_hdr *ipch;
 
 	if (skb_linearize_cow(skb))
-	    	goto out;
+		goto out;
 
 	skb->ip_summed = CHECKSUM_NONE;
 
@@ -194,7 +194,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
 
 	spi = htonl(ntohs(ipch->cpi));
 	x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr,
-	                      spi, IPPROTO_COMP, AF_INET);
+			      spi, IPPROTO_COMP, AF_INET);
 	if (!x)
 		return;
 	NETDEBUG(KERN_DEBUG "pmtu discovery on SA IPCOMP/%08x/%u.%u.%u.%u\n",
@@ -247,7 +247,7 @@ static int ipcomp_tunnel_attach(struct xfrm_state *x)
 	struct xfrm_state *t;
 
 	t = xfrm_state_lookup((xfrm_address_t *)&x->id.daddr.a4,
-	                      x->props.saddr.a4, IPPROTO_IPIP, AF_INET);
+			      x->props.saddr.a4, IPPROTO_IPIP, AF_INET);
 	if (!t) {
 		t = ipcomp_tunnel_create(x);
 		if (!t) {

net/ipv4/ipconfig.c

@@ -99,7 +99,7 @@
 #define CONF_TIMEOUT_MULT	*7/4	/* Rate of timeout growth */
 #define CONF_TIMEOUT_MAX	(HZ*30)	/* Maximum allowed timeout */
 #define CONF_NAMESERVERS_MAX   3       /* Maximum number of nameservers
-                                           - '3' from resolv.h */
+					   - '3' from resolv.h */
 
 #define NONE __constant_htonl(INADDR_NONE)
 
@@ -913,7 +913,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 	/* Parse extensions */
 	if (ext_len >= 4 &&
 	    !memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */
-                u8 *end = (u8 *) b + ntohs(b->iph.tot_len);
+		u8 *end = (u8 *) b + ntohs(b->iph.tot_len);
 		u8 *ext;
 
 #ifdef IPCONFIG_DHCP

net/ipv4/ipip.c

@@ -607,7 +607,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-  			stats->tx_dropped++;
+			stats->tx_dropped++;
 			dev_kfree_skb(skb);
 			tunnel->recursion--;
 			return 0;

net/ipv4/ipmr.c

@@ -569,7 +569,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 		memcpy(msg, pkt->nh.raw, sizeof(struct iphdr));
 		msg->im_msgtype = IGMPMSG_WHOLEPKT;
 		msg->im_mbz = 0;
- 		msg->im_vif = reg_vif_num;
+		msg->im_vif = reg_vif_num;
 		skb->nh.iph->ihl = sizeof(struct iphdr) >> 2;
 		skb->nh.iph->tot_len = htons(ntohs(pkt->nh.iph->tot_len) + sizeof(struct iphdr));
 	} else
@@ -597,7 +597,7 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert)
 	igmp->code 	=	0;
 	skb->nh.iph->tot_len=htons(skb->len);			/* Fix the length */
 	skb->h.raw = skb->nh.raw;
-        }
+	}
 
 	if (mroute_socket == NULL) {
 		kfree_skb(skb);
@@ -1194,7 +1194,7 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
 	encap += LL_RESERVED_SPACE(dev) + rt->u.dst.header_len;
 
 	if (skb_cow(skb, encap)) {
- 		ip_rt_put(rt);
+		ip_rt_put(rt);
 		goto out_free;
 	}
 
@@ -1431,7 +1431,7 @@ int pim_rcv_v1(struct sk_buff * skb)
 
 	pim = (struct igmphdr*)skb->h.raw;
 
-        if (!mroute_do_pim ||
+	if (!mroute_do_pim ||
 	    skb->len < sizeof(*pim) + sizeof(*encap) ||
 	    pim->group != PIM_V1_VERSION || pim->code != PIM_V1_REGISTER)
 		goto drop;
@@ -1490,7 +1490,7 @@ static int pim_rcv(struct sk_buff * skb)
 		goto drop;
 
 	pim = (struct pimreghdr*)skb->h.raw;
-        if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) ||
+	if (pim->type != ((PIM_VERSION<<4)|(PIM_REGISTER)) ||
 	    (pim->flags&PIM_NULL_REGISTER) ||
 	    (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
 	     csum_fold(skb_checksum(skb, 0, skb->len, 0))))

net/ipv4/ipvs/ip_vs_core.c

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

net/ipv4/ipvs/ip_vs_ftp.c

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

net/ipv4/multipath_rr.c

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

net/ipv4/multipath_wrandom.c

@@ -287,7 +287,7 @@ static void __multipath_free(struct rcu_head *head)
 
 static void __multipath_free_dst(struct rcu_head *head)
 {
-  	struct multipath_dest *dst = container_of(head,
+	struct multipath_dest *dst = container_of(head,
 						  struct multipath_dest,
 						  rcu);
 	kfree(dst);

net/ipv4/netfilter.c

@@ -177,7 +177,7 @@ __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
 			break;
 		if ((protocol == 0 && !csum_fold(skb->csum)) ||
 		    !csum_tcpudp_magic(iph->saddr, iph->daddr,
-			    	       skb->len - dataoff, protocol,
+				       skb->len - dataoff, protocol,
 				       skb->csum)) {
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 			break;

net/ipv4/netfilter/arp_tables.c

@@ -544,7 +544,7 @@ static inline int check_entry_size_and_hooks(struct arpt_entry *e,
 	}
 
 	/* FIXME: underflows must be unconditional, standard verdicts
-           < 0 (not ARPT_RETURN). --RR */
+	   < 0 (not ARPT_RETURN). --RR */
 
 	/* Clear counters and comefrom */
 	e->counters = ((struct xt_counters) { 0, 0 });

net/ipv4/netfilter/arpt_mangle.c

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

net/ipv4/netfilter/ip_conntrack_amanda.c

@@ -84,7 +84,7 @@ static struct {
 };
 
 static int help(struct sk_buff **pskb,
-                struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
+		struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
 {
 	struct ts_state ts;
 	struct ip_conntrack_expect *exp;

net/ipv4/netfilter/ip_conntrack_core.c

@@ -147,9 +147,9 @@ static u_int32_t __hash_conntrack(const struct ip_conntrack_tuple *tuple,
 			    unsigned int size, unsigned int rnd)
 {
 	return (jhash_3words((__force u32)tuple->src.ip,
-	                     ((__force u32)tuple->dst.ip ^ tuple->dst.protonum),
+			     ((__force u32)tuple->dst.ip ^ tuple->dst.protonum),
-	                     (tuple->src.u.all | (tuple->dst.u.all << 16)),
+			     (tuple->src.u.all | (tuple->dst.u.all << 16)),
-	                     rnd) % size);
+			     rnd) % size);
 }
 
 static u_int32_t
@@ -446,15 +446,15 @@ __ip_conntrack_confirm(struct sk_buff **pskb)
 	/* IP_NF_ASSERT(atomic_read(&ct->ct_general.use) == 1); */
 
 	/* No external references means noone else could have
-           confirmed us. */
+	   confirmed us. */
 	IP_NF_ASSERT(!is_confirmed(ct));
 	DEBUGP("Confirming conntrack %p\n", ct);
 
 	write_lock_bh(&ip_conntrack_lock);
 
 	/* See if there's one in the list already, including reverse:
-           NAT could have grabbed it without realizing, since we're
+	   NAT could have grabbed it without realizing, since we're
-           not in the hash.  If there is, we lost race. */
+	   not in the hash.  If there is, we lost race. */
 	list_for_each_entry(h, &ip_conntrack_hash[hash], list)
 		if (ip_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
 				      &h->tuple))
@@ -771,7 +771,7 @@ resolve_normal_ct(struct sk_buff *skb,
 		if (test_bit(IPS_SEEN_REPLY_BIT, &ct->status)) {
 			DEBUGP("ip_conntrack_in: normal packet for %p\n",
 			       ct);
-		        *ctinfo = IP_CT_ESTABLISHED;
+			*ctinfo = IP_CT_ESTABLISHED;
 		} else if (test_bit(IPS_EXPECTED_BIT, &ct->status)) {
 			DEBUGP("ip_conntrack_in: related packet for %p\n",
 			       ct);
@@ -885,7 +885,7 @@ static inline int expect_clash(const struct ip_conntrack_expect *a,
 			       const struct ip_conntrack_expect *b)
 {
 	/* Part covered by intersection of masks must be unequal,
-           otherwise they clash */
+	   otherwise they clash */
 	struct ip_conntrack_tuple intersect_mask
 		= { { a->mask.src.ip & b->mask.src.ip,
 		      { a->mask.src.u.all & b->mask.src.u.all } },
@@ -1021,7 +1021,7 @@ int ip_conntrack_expect_related(struct ip_conntrack_expect *expect)
 	ret = 0;
 out:
 	write_unlock_bh(&ip_conntrack_lock);
- 	return ret;
+	return ret;
 }
 
 /* Alter reply tuple (maybe alter helper).  This is for NAT, and is
@@ -1069,7 +1069,7 @@ static inline void unhelp(struct ip_conntrack_tuple_hash *i,
 			  const struct ip_conntrack_helper *me)
 {
 	if (tuplehash_to_ctrack(i)->helper == me) {
- 		ip_conntrack_event(IPCT_HELPER, tuplehash_to_ctrack(i));
+		ip_conntrack_event(IPCT_HELPER, tuplehash_to_ctrack(i));
 		tuplehash_to_ctrack(i)->helper = NULL;
 	}
 }
@@ -1106,7 +1106,7 @@ void ip_conntrack_helper_unregister(struct ip_conntrack_helper *me)
 
 /* Refresh conntrack for this many jiffies and do accounting if do_acct is 1 */
 void __ip_ct_refresh_acct(struct ip_conntrack *ct,
-		        enum ip_conntrack_info ctinfo,
+			enum ip_conntrack_info ctinfo,
 			const struct sk_buff *skb,
 			unsigned long extra_jiffies,
 			int do_acct)
@@ -1358,8 +1358,8 @@ void ip_conntrack_cleanup(void)
 	ip_ct_attach = NULL;
 
 	/* This makes sure all current packets have passed through
-           netfilter framework.  Roll on, two-stage module
+	   netfilter framework.  Roll on, two-stage module
-           delete... */
+	   delete... */
 	synchronize_net();
 
 	ip_ct_event_cache_flush();
@@ -1460,7 +1460,7 @@ int __init ip_conntrack_init(void)
 
 	/* Idea from tcp.c: use 1/16384 of memory.  On i386: 32MB
 	 * machine has 256 buckets.  >= 1GB machines have 8192 buckets. */
- 	if (!ip_conntrack_htable_size) {
+	if (!ip_conntrack_htable_size) {
 		ip_conntrack_htable_size
 			= (((num_physpages << PAGE_SHIFT) / 16384)
 			   / sizeof(struct list_head));
@@ -1490,8 +1490,8 @@ int __init ip_conntrack_init(void)
 	}
 
 	ip_conntrack_cachep = kmem_cache_create("ip_conntrack",
-	                                        sizeof(struct ip_conntrack), 0,
+						sizeof(struct ip_conntrack), 0,
-	                                        0, NULL, NULL);
+						0, NULL, NULL);
 	if (!ip_conntrack_cachep) {
 		printk(KERN_ERR "Unable to create ip_conntrack slab cache\n");
 		goto err_free_hash;

net/ipv4/netfilter/ip_conntrack_ftp.c

@@ -169,7 +169,7 @@ static int try_eprt(const char *data, size_t dlen, u_int32_t array[6],
 	int length;
 
 	/* First character is delimiter, then "1" for IPv4, then
-           delimiter again. */
+	   delimiter again. */
 	if (dlen <= 3) return 0;
 	delim = data[0];
 	if (isdigit(delim) || delim < 33 || delim > 126
@@ -351,7 +351,7 @@ static int help(struct sk_buff **pskb,
 	}
 
 	/* Initialize IP array to expected address (it's not mentioned
-           in EPSV responses) */
+	   in EPSV responses) */
 	array[0] = (ntohl(ct->tuplehash[dir].tuple.src.ip) >> 24) & 0xFF;
 	array[1] = (ntohl(ct->tuplehash[dir].tuple.src.ip) >> 16) & 0xFF;
 	array[2] = (ntohl(ct->tuplehash[dir].tuple.src.ip) >> 8) & 0xFF;

net/ipv4/netfilter/ip_conntrack_helper_h323.c

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

net/ipv4/netfilter/ip_conntrack_helper_pptp.c

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

net/ipv4/netfilter/ip_conntrack_irc.c

@@ -63,7 +63,7 @@ static const char *dccprotos[] = { "SEND ", "CHAT ", "MOVE ", "TSEND ", "SCHAT "
 
 #if 0
 #define DEBUGP(format, args...) printk(KERN_DEBUG "%s:%s:" format, \
-                                       __FILE__, __FUNCTION__ , ## args)
+				       __FILE__, __FUNCTION__ , ## args)
 #else
 #define DEBUGP(format, args...)
 #endif

net/ipv4/netfilter/ip_conntrack_netbios_ns.c

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

net/ipv4/netfilter/ip_conntrack_netlink.c

@@ -299,7 +299,7 @@ nfattr_failure:
 
 #ifdef CONFIG_IP_NF_CONNTRACK_EVENTS
 static int ctnetlink_conntrack_event(struct notifier_block *this,
-                                     unsigned long events, void *ptr)
+				     unsigned long events, void *ptr)
 {
 	struct nlmsghdr *nlh;
 	struct nfgenmsg *nfmsg;
@@ -368,16 +368,16 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
 
 		if (events & IPCT_PROTOINFO
 		    && ctnetlink_dump_protoinfo(skb, ct) < 0)
-		    	goto nfattr_failure;
+			goto nfattr_failure;
 
 		if ((events & IPCT_HELPER || ct->helper)
 		    && ctnetlink_dump_helpinfo(skb, ct) < 0)
-		    	goto nfattr_failure;
+			goto nfattr_failure;
 
 #ifdef CONFIG_IP_NF_CONNTRACK_MARK
 		if ((events & IPCT_MARK || ct->mark)
 		    && ctnetlink_dump_mark(skb, ct) < 0)
-		    	goto nfattr_failure;
+			goto nfattr_failure;
 #endif
 
 		if (events & IPCT_COUNTER_FILLING &&
@@ -426,7 +426,7 @@ restart:
 				cb->args[1] = 0;
 			}
 			if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
-		                        	cb->nlh->nlmsg_seq,
+						cb->nlh->nlmsg_seq,
 						IPCTNL_MSG_CT_NEW,
 						1, ct) < 0) {
 				nf_conntrack_get(&ct->ct_general);
@@ -714,8 +714,8 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			return -ENOTSUPP;
 #endif
 		if ((*errp = netlink_dump_start(ctnl, skb, nlh,
-	      		                        ctnetlink_dump_table,
+						ctnetlink_dump_table,
-	                                	ctnetlink_done)) != 0)
+						ctnetlink_done)) != 0)
 			return -EINVAL;
 
 		rlen = NLMSG_ALIGN(nlh->nlmsg_len);
@@ -1090,7 +1090,7 @@ nfattr_failure:
 
 static inline int
 ctnetlink_exp_dump_expect(struct sk_buff *skb,
-                          const struct ip_conntrack_expect *exp)
+			  const struct ip_conntrack_expect *exp)
 {
 	struct ip_conntrack *master = exp->master;
 	__be32 timeout = htonl((exp->timeout.expires - jiffies) / HZ);
@@ -1247,7 +1247,7 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
 			return -EAFNOSUPPORT;
 
 		if ((*errp = netlink_dump_start(ctnl, skb, nlh,
-		    				ctnetlink_exp_dump_table,
+						ctnetlink_exp_dump_table,
 						ctnetlink_done)) != 0)
 			return -EINVAL;
 		rlen = NLMSG_ALIGN(nlh->nlmsg_len);

net/ipv4/netfilter/ip_conntrack_proto_icmp.c

@@ -94,9 +94,9 @@ static int icmp_packet(struct ip_conntrack *ct,
 		       enum ip_conntrack_info ctinfo)
 {
 	/* Try to delete connection immediately after all replies:
-           won't actually vanish as we still have skb, and del_timer
+	   won't actually vanish as we still have skb, and del_timer
-           means this will only run once even if count hits zero twice
+	   means this will only run once even if count hits zero twice
-           (theoretically possible with SMP) */
+	   (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/ipv4/netfilter/ip_conntrack_proto_sctp.c

@@ -97,15 +97,15 @@ point. Please note the subtleties. -Kiran
 
 NONE              - Nothing so far.
 COOKIE WAIT       - We have seen an INIT chunk in the original direction, or also
-                    an INIT_ACK chunk in the reply direction.
+		    an INIT_ACK chunk in the reply direction.
 COOKIE ECHOED     - We have seen a COOKIE_ECHO chunk in the original direction.
 ESTABLISHED       - We have seen a COOKIE_ACK in the reply direction.
 SHUTDOWN_SENT     - We have seen a SHUTDOWN chunk in the original direction.
 SHUTDOWN_RECD     - We have seen a SHUTDOWN chunk in the reply directoin.
 SHUTDOWN_ACK_SENT - We have seen a SHUTDOWN_ACK chunk in the direction opposite
-                    to that of the SHUTDOWN chunk.
+		    to that of the SHUTDOWN chunk.
 CLOSED            - We have seen a SHUTDOWN_COMPLETE chunk in the direction of
-                    the SHUTDOWN chunk. Connection is closed.
+		    the SHUTDOWN chunk. Connection is closed.
 */
 
 /* TODO
@@ -397,7 +397,7 @@ static int sctp_packet(struct ip_conntrack *conntrack,
 			sctp_inithdr_t _inithdr, *ih;
 
 			ih = skb_header_pointer(skb, offset + sizeof(sctp_chunkhdr_t),
-			                        sizeof(_inithdr), &_inithdr);
+						sizeof(_inithdr), &_inithdr);
 			if (ih == NULL) {
 					write_unlock_bh(&sctp_lock);
 					return -1;
@@ -472,7 +472,7 @@ static int sctp_new(struct ip_conntrack *conntrack,
 				sctp_inithdr_t _inithdr, *ih;
 
 				ih = skb_header_pointer(skb, offset + sizeof(sctp_chunkhdr_t),
-				                        sizeof(_inithdr), &_inithdr);
+							sizeof(_inithdr), &_inithdr);
 				if (ih == NULL)
 					return 0;
 
@@ -647,7 +647,7 @@ static void __exit ip_conntrack_proto_sctp_fini(void)
 {
 	ip_conntrack_protocol_unregister(&ip_conntrack_protocol_sctp);
 #ifdef CONFIG_SYSCTL
- 	unregister_sysctl_table(ip_ct_sysctl_header);
+	unregister_sysctl_table(ip_ct_sysctl_header);
 #endif
 	DEBUGP("SCTP conntrack module unloaded\n");
 }

net/ipv4/netfilter/ip_conntrack_proto_tcp.c

@@ -281,7 +281,7 @@ static const enum tcp_conntrack tcp_conntracks[2][6][TCP_CONNTRACK_MAX] = {
 /* 	     sNO, sSS, sSR, sES, sFW, sCW, sLA, sTW, sCL, sLI	*/
 /*rst*/    { sIV, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sIV },
 /*none*/   { sIV, sIV, sIV, sIV, sIV, sIV, sIV, sIV, sIV, sIV }
-  	}
+	}
 };
 
 static int tcp_pkt_to_tuple(const struct sk_buff *skb,
@@ -367,7 +367,7 @@ static int nfattr_to_tcp(struct nfattr *cda[], struct ip_conntrack *ct)
 	if (!attr)
 		return 0;
 
-        nfattr_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, attr);
+	nfattr_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, attr);
 
 	if (nfattr_bad_size(tb, CTA_PROTOINFO_TCP_MAX, cta_min_tcp))
 		return -EINVAL;
@@ -404,7 +404,7 @@ static unsigned int get_conntrack_index(const struct tcphdr *tcph)
    after the right or before the left edge) and thus receivers may ACK
    segments after the right edge of the window.
 
-   	td_maxend = max(sack + max(win,1)) seen in reply packets
+	td_maxend = max(sack + max(win,1)) seen in reply packets
 	td_maxwin = max(max(win, 1)) + (sack - ack) seen in sent packets
 	td_maxwin += seq + len - sender.td_maxend
 			if seq + len > sender.td_maxend
@@ -517,10 +517,10 @@ static void tcp_sack(const struct sk_buff *skb,
 	/* Fast path for timestamp-only option */
 	if (length == TCPOLEN_TSTAMP_ALIGNED*4
 	    && *(__be32 *)ptr ==
-	        __constant_htonl((TCPOPT_NOP << 24)
+		__constant_htonl((TCPOPT_NOP << 24)
-	        		 | (TCPOPT_NOP << 16)
+				 | (TCPOPT_NOP << 16)
-	        		 | (TCPOPT_TIMESTAMP << 8)
+				 | (TCPOPT_TIMESTAMP << 8)
-	        		 | TCPOLEN_TIMESTAMP))
+				 | TCPOLEN_TIMESTAMP))
 		return;
 
 	while (length > 0) {
@@ -542,12 +542,12 @@ static void tcp_sack(const struct sk_buff *skb,
 
 			if (opcode == TCPOPT_SACK
 			    && opsize >= (TCPOLEN_SACK_BASE
-			    		  + TCPOLEN_SACK_PERBLOCK)
+					  + TCPOLEN_SACK_PERBLOCK)
 			    && !((opsize - TCPOLEN_SACK_BASE)
-			    	 % TCPOLEN_SACK_PERBLOCK)) {
+				 % TCPOLEN_SACK_PERBLOCK)) {
-			    	for (i = 0;
+				for (i = 0;
-			    	     i < (opsize - TCPOLEN_SACK_BASE);
+				     i < (opsize - TCPOLEN_SACK_BASE);
-			    	     i += TCPOLEN_SACK_PERBLOCK) {
+				     i += TCPOLEN_SACK_PERBLOCK) {
 					tmp = ntohl(*((__be32 *)(ptr+i)+1));
 
 					if (after(tmp, *sack))
@@ -562,11 +562,11 @@ static void tcp_sack(const struct sk_buff *skb,
 }
 
 static int tcp_in_window(struct ip_ct_tcp *state,
-                         enum ip_conntrack_dir dir,
+			 enum ip_conntrack_dir dir,
-                         unsigned int index,
+			 unsigned int index,
-                         const struct sk_buff *skb,
+			 const struct sk_buff *skb,
-                         struct iphdr *iph,
+			 struct iphdr *iph,
-                         struct tcphdr *tcph)
+			 struct tcphdr *tcph)
 {
 	struct ip_ct_tcp_state *sender = &state->seen[dir];
 	struct ip_ct_tcp_state *receiver = &state->seen[!dir];
@@ -624,7 +624,7 @@ static int tcp_in_window(struct ip_ct_tcp *state,
 			 * We are in the middle of a connection,
 			 * its history is lost for us.
 			 * Let's try to use the data from the packet.
-		 	 */
+			 */
 			sender->td_end = end;
 			sender->td_maxwin = (win == 0 ? 1 : win);
 			sender->td_maxend = end + sender->td_maxwin;
@@ -632,7 +632,7 @@ static int tcp_in_window(struct ip_ct_tcp *state,
 	} else if (((state->state == TCP_CONNTRACK_SYN_SENT
 		     && dir == IP_CT_DIR_ORIGINAL)
 		    || (state->state == TCP_CONNTRACK_SYN_RECV
-		        && dir == IP_CT_DIR_REPLY))
+			&& dir == IP_CT_DIR_REPLY))
 		    && after(end, sender->td_end)) {
 		/*
 		 * RFC 793: "if a TCP is reinitialized ... then it need
@@ -663,7 +663,7 @@ static int tcp_in_window(struct ip_ct_tcp *state,
 
 	if (seq == end
 	    && (!tcph->rst
-	        || (seq == 0 && state->state == TCP_CONNTRACK_SYN_SENT)))
+		|| (seq == 0 && state->state == TCP_CONNTRACK_SYN_SENT)))
 		/*
 		 * Packets contains no data: we assume it is valid
 		 * and check the ack value only.
@@ -687,15 +687,15 @@ static int tcp_in_window(struct ip_ct_tcp *state,
 
 	DEBUGP("tcp_in_window: I=%i II=%i III=%i IV=%i\n",
 		before(seq, sender->td_maxend + 1),
-	    	after(end, sender->td_end - receiver->td_maxwin - 1),
+		after(end, sender->td_end - receiver->td_maxwin - 1),
-	    	before(sack, receiver->td_end + 1),
+		before(sack, receiver->td_end + 1),
-	    	after(ack, receiver->td_end - MAXACKWINDOW(sender)));
+		after(ack, receiver->td_end - MAXACKWINDOW(sender)));
 
 	if (before(seq, sender->td_maxend + 1) &&
 	    after(end, sender->td_end - receiver->td_maxwin - 1) &&
 	    before(sack, receiver->td_end + 1) &&
 	    after(ack, receiver->td_end - MAXACKWINDOW(sender))) {
-	    	/*
+		/*
 		 * Take into account window scaling (RFC 1323).
 		 */
 		if (!tcph->syn)
@@ -756,7 +756,7 @@ static int tcp_in_window(struct ip_ct_tcp *state,
 			: "ACK is over the upper bound (ACKed data not seen yet)"
 			: "SEQ is under the lower bound (already ACKed data retransmitted)"
 			: "SEQ is over the upper bound (over the window of the receiver)");
-  	}
+	}
 
 	DEBUGP("tcp_in_window: res=%i sender end=%u maxend=%u maxwin=%u "
 	       "receiver end=%u maxend=%u maxwin=%u\n",
@@ -847,7 +847,7 @@ static int tcp_error(struct sk_buff *skb,
 			nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
 				"ip_ct_tcp: short packet ");
 		return -NF_ACCEPT;
-  	}
+	}
 
 	/* Not whole TCP header or malformed packet */
 	if (th->doff*4 < sizeof(struct tcphdr) || tcplen < th->doff*4) {
@@ -916,7 +916,7 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 		    && conntrack->proto.tcp.last_index == TCP_SYN_SET
 		    && conntrack->proto.tcp.last_dir != dir
 		    && ntohl(th->ack_seq) ==
-		    	     conntrack->proto.tcp.last_end) {
+			     conntrack->proto.tcp.last_end) {
 			/* This SYN/ACK acknowledges a SYN that we earlier
 			 * ignored as invalid. This means that the client and
 			 * the server are both in sync, while the firewall is
@@ -924,15 +924,15 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 			 * that the client cannot but retransmit its SYN and
 			 * thus initiate a clean new session.
 			 */
-		    	write_unlock_bh(&tcp_lock);
+			write_unlock_bh(&tcp_lock);
 			if (LOG_INVALID(IPPROTO_TCP))
 				nf_log_packet(PF_INET, 0, skb, NULL, NULL,
 					      NULL, "ip_ct_tcp: "
 					      "killing out of sync session ");
-		    	if (del_timer(&conntrack->timeout))
+			if (del_timer(&conntrack->timeout))
-		    		conntrack->timeout.function((unsigned long)
+				conntrack->timeout.function((unsigned long)
-		    					    conntrack);
+							    conntrack);
-		    	return -NF_DROP;
+			return -NF_DROP;
 		}
 		conntrack->proto.tcp.last_index = index;
 		conntrack->proto.tcp.last_dir = dir;
@@ -959,16 +959,16 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 		if (old_state < TCP_CONNTRACK_TIME_WAIT)
 			break;
 		if ((conntrack->proto.tcp.seen[dir].flags &
-		         IP_CT_TCP_FLAG_CLOSE_INIT)
+			 IP_CT_TCP_FLAG_CLOSE_INIT)
 		    || after(ntohl(th->seq),
-		    	     conntrack->proto.tcp.seen[dir].td_end)) {	
+			     conntrack->proto.tcp.seen[dir].td_end)) {
-		    	/* Attempt to reopen a closed connection.
+			/* Attempt to reopen a closed connection.
-		    	* Delete this connection and look up again. */
+			* Delete this connection and look up again. */
-		    	write_unlock_bh(&tcp_lock);
+			write_unlock_bh(&tcp_lock);
-		    	if (del_timer(&conntrack->timeout))
+			if (del_timer(&conntrack->timeout))
-		    		conntrack->timeout.function((unsigned long)
+				conntrack->timeout.function((unsigned long)
-		    					    conntrack);
+							    conntrack);
-		    	return -NF_REPEAT;
+			return -NF_REPEAT;
 		} else {
 			write_unlock_bh(&tcp_lock);
 			if (LOG_INVALID(IPPROTO_TCP))
@@ -979,9 +979,9 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 	case TCP_CONNTRACK_CLOSE:
 		if (index == TCP_RST_SET
 		    && ((test_bit(IPS_SEEN_REPLY_BIT, &conntrack->status)
-		         && conntrack->proto.tcp.last_index == TCP_SYN_SET)
+			 && conntrack->proto.tcp.last_index == TCP_SYN_SET)
-		        || (!test_bit(IPS_ASSURED_BIT, &conntrack->status)
+			|| (!test_bit(IPS_ASSURED_BIT, &conntrack->status)
-		            && conntrack->proto.tcp.last_index == TCP_ACK_SET))
+			    && conntrack->proto.tcp.last_index == TCP_ACK_SET))
 		    && ntohl(th->ack_seq) == conntrack->proto.tcp.last_end) {
 			/* RST sent to invalid SYN or ACK we had let through
 			 * at a) and c) above:
@@ -1020,7 +1020,7 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 	conntrack->proto.tcp.state = new_state;
 	if (old_state != new_state
 	    && (new_state == TCP_CONNTRACK_FIN_WAIT
-	    	|| new_state == TCP_CONNTRACK_CLOSE))
+		|| new_state == TCP_CONNTRACK_CLOSE))
 		conntrack->proto.tcp.seen[dir].flags |= IP_CT_TCP_FLAG_CLOSE_INIT;
 	timeout = conntrack->proto.tcp.retrans >= ip_ct_tcp_max_retrans
 		  && *tcp_timeouts[new_state] > ip_ct_tcp_timeout_max_retrans

net/ipv4/netfilter/ip_conntrack_sip.c

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

net/ipv4/netfilter/ip_conntrack_standalone.c

@@ -160,7 +160,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
 			proto))
 		return -ENOSPC;
 
- 	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_ORIGINAL]))
+	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_ORIGINAL]))
 		return -ENOSPC;
 
 	if (!(test_bit(IPS_SEEN_REPLY_BIT, &conntrack->status)))
@@ -171,7 +171,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
 			proto))
 		return -ENOSPC;
 
- 	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_REPLY]))
+	if (seq_print_counters(s, &conntrack->counters[IP_CT_DIR_REPLY]))
 		return -ENOSPC;
 
 	if (test_bit(IPS_ASSURED_BIT, &conntrack->status))
@@ -253,7 +253,7 @@ static void *exp_seq_start(struct seq_file *s, loff_t *pos)
 
 static void *exp_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
- 	struct list_head *e = v;
+	struct list_head *e = v;
 
 	++*pos;
 	e = e->next;
@@ -426,14 +426,14 @@ static unsigned int ip_conntrack_help(unsigned int hooknum,
 }
 
 static unsigned int ip_conntrack_defrag(unsigned int hooknum,
-				        struct sk_buff **pskb,
+					struct sk_buff **pskb,
-				        const struct net_device *in,
+					const struct net_device *in,
-				        const struct net_device *out,
+					const struct net_device *out,
-				        int (*okfn)(struct sk_buff *))
+					int (*okfn)(struct sk_buff *))
 {
 #if !defined(CONFIG_IP_NF_NAT) && !defined(CONFIG_IP_NF_NAT_MODULE)
 	/* Previously seen (loopback)?  Ignore.  Do this before
-           fragment check. */
+	   fragment check. */
 	if ((*pskb)->nfct)
 		return NF_ACCEPT;
 #endif
@@ -441,7 +441,7 @@ static unsigned int ip_conntrack_defrag(unsigned int hooknum,
 	/* Gather fragments. */
 	if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) {
 		*pskb = ip_ct_gather_frags(*pskb,
-		                           hooknum == NF_IP_PRE_ROUTING ? 
+					   hooknum == NF_IP_PRE_ROUTING ?
 					   IP_DEFRAG_CONNTRACK_IN :
 					   IP_DEFRAG_CONNTRACK_OUT);
 		if (!*pskb)

net/ipv4/netfilter/ip_conntrack_tftp.c

@@ -33,7 +33,7 @@ MODULE_PARM_DESC(ports, "port numbers of tftp servers");
 
 #if 0
 #define DEBUGP(format, args...) printk("%s:%s:" format, \
-                                       __FILE__, __FUNCTION__ , ## args)
+				       __FILE__, __FUNCTION__ , ## args)
 #else
 #define DEBUGP(format, args...)
 #endif

net/ipv4/netfilter/ip_nat_core.c

@@ -443,8 +443,8 @@ int ip_nat_icmp_reply_translation(struct ip_conntrack *ct,
 		     (*pskb)->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY);
 
 	/* Redirects on non-null nats must be dropped, else they'll
-           start talking to each other without our translation, and be
+	   start talking to each other without our translation, and be
-           confused... --RR */
+	   confused... --RR */
 	if (inside->icmp.type == ICMP_REDIRECT) {
 		/* If NAT isn't finished, assume it and drop. */
 		if ((ct->status & IPS_NAT_DONE_MASK) != IPS_NAT_DONE_MASK)
@@ -458,8 +458,8 @@ int ip_nat_icmp_reply_translation(struct ip_conntrack *ct,
 	       *pskb, manip, dir == IP_CT_DIR_ORIGINAL ? "ORIG" : "REPLY");
 
 	if (!ip_ct_get_tuple(&inside->ip, *pskb, (*pskb)->nh.iph->ihl*4 +
-	                     sizeof(struct icmphdr) + inside->ip.ihl*4,
+			     sizeof(struct icmphdr) + inside->ip.ihl*4,
-	                     &inner,
+			     &inner,
 			     __ip_conntrack_proto_find(inside->ip.protocol)))
 		return 0;
 

net/ipv4/netfilter/ip_nat_helper.c

@@ -186,7 +186,7 @@ ip_nat_mangle_tcp_packet(struct sk_buff **pskb,
 		tcph->check = tcp_v4_check(datalen,
 					   iph->saddr, iph->daddr,
 					   csum_partial((char *)tcph,
-					   		datalen, 0));
+							datalen, 0));
 	} else
 		nf_proto_csum_replace2(&tcph->check, *pskb,
 					htons(oldlen), htons(datalen), 1);
@@ -229,7 +229,7 @@ ip_nat_mangle_udp_packet(struct sk_buff **pskb,
 	/* UDP helpers might accidentally mangle the wrong packet */
 	iph = (*pskb)->nh.iph;
 	if ((*pskb)->len < iph->ihl*4 + sizeof(*udph) +
-	                       match_offset + match_len)
+			       match_offset + match_len)
 		return 0;
 
 	if (!skb_make_writable(pskb, (*pskb)->len))
@@ -258,9 +258,9 @@ ip_nat_mangle_udp_packet(struct sk_buff **pskb,
 	if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
 		udph->check = 0;
 		udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr,
-		                                datalen, IPPROTO_UDP,
+						datalen, IPPROTO_UDP,
-		                                csum_partial((char *)udph,
+						csum_partial((char *)udph,
-		                                             datalen, 0));
+							     datalen, 0));
 		if (!udph->check)
 			udph->check = CSUM_MANGLED_0;
 	} else

net/ipv4/netfilter/ip_nat_helper_pptp.c

@@ -202,10 +202,10 @@ pptp_outbound_pkt(struct sk_buff **pskb,
 
 	/* mangle packet */
 	if (ip_nat_mangle_tcp_packet(pskb, ct, ctinfo,
-	                             cid_off + sizeof(struct pptp_pkt_hdr) +
+				     cid_off + sizeof(struct pptp_pkt_hdr) +
-	                             sizeof(struct PptpControlHeader),
+				     sizeof(struct PptpControlHeader),
-	                             sizeof(new_callid), (char *)&new_callid,
+				     sizeof(new_callid), (char *)&new_callid,
-	                             sizeof(new_callid)) == 0)
+				     sizeof(new_callid)) == 0)
 		return NF_DROP;
 
 	return NF_ACCEPT;
@@ -293,7 +293,7 @@ pptp_inbound_pkt(struct sk_buff **pskb,
 		ntohs(REQ_CID(pptpReq, pcid_off)), ntohs(new_pcid));
 
 	if (ip_nat_mangle_tcp_packet(pskb, ct, ctinfo,
-	                             pcid_off + sizeof(struct pptp_pkt_hdr) +
+				     pcid_off + sizeof(struct pptp_pkt_hdr) +
 				     sizeof(struct PptpControlHeader),
 				     sizeof(new_pcid), (char *)&new_pcid,
 				     sizeof(new_pcid)) == 0)

net/ipv4/netfilter/ip_nat_proto_icmp.c

@@ -45,7 +45,7 @@ icmp_unique_tuple(struct ip_conntrack_tuple *tuple,
 
 	for (i = 0; i < range_size; i++, id++) {
 		tuple->src.u.icmp.id = htons(ntohs(range->min.icmp.id) +
-		                             (id % range_size));
+					     (id % range_size));
 		if (!ip_nat_used_tuple(tuple, conntrack))
 			return 1;
 	}

net/ipv4/netfilter/ip_nat_rule.c

@@ -112,7 +112,7 @@ static unsigned int ipt_snat_target(struct sk_buff **pskb,
 
 	/* Connection must be valid and new. */
 	IP_NF_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED
-	                    || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+			    || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
 	IP_NF_ASSERT(out);
 
 	return ip_nat_setup_info(ct, &mr->range[0], hooknum);
@@ -223,8 +223,8 @@ alloc_null_binding(struct ip_conntrack *conntrack,
 
 unsigned int
 alloc_null_binding_confirmed(struct ip_conntrack *conntrack,
-                             struct ip_nat_info *info,
+			     struct ip_nat_info *info,
-                             unsigned int hooknum)
+			     unsigned int hooknum)
 {
 	__be32 ip
 		= (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC

net/ipv4/netfilter/ip_nat_sip.c

@@ -88,7 +88,7 @@ static int map_sip_addr(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
 		return 1;
 
 	if (!ip_nat_mangle_udp_packet(pskb, ct, ctinfo,
-	                              matchoff, matchlen, addr, addrlen))
+				      matchoff, matchlen, addr, addrlen))
 		return 0;
 	*dptr = (*pskb)->data + (*pskb)->nh.iph->ihl*4 + sizeof(struct udphdr);
 	return 1;
@@ -149,7 +149,7 @@ static unsigned int mangle_sip_packet(struct sk_buff **pskb,
 		return 0;
 
 	if (!ip_nat_mangle_udp_packet(pskb, ct, ctinfo,
-	                              matchoff, matchlen, buffer, bufflen))
+				      matchoff, matchlen, buffer, bufflen))
 		return 0;
 
 	/* We need to reload this. Thanks Patrick. */
@@ -170,7 +170,7 @@ static int mangle_content_len(struct sk_buff **pskb,
 
 	/* Get actual SDP lenght */
 	if (ct_sip_get_info(dptr, (*pskb)->len - dataoff, &matchoff,
-	                    &matchlen, POS_SDP_HEADER) > 0) {
+			    &matchlen, POS_SDP_HEADER) > 0) {
 
 		/* since ct_sip_get_info() give us a pointer passing 'v='
 		   we need to add 2 bytes in this count. */
@@ -178,7 +178,7 @@ static int mangle_content_len(struct sk_buff **pskb,
 
 		/* Now, update SDP lenght */
 		if (ct_sip_get_info(dptr, (*pskb)->len - dataoff, &matchoff,
-		                    &matchlen, POS_CONTENT) > 0) {
+				    &matchlen, POS_CONTENT) > 0) {
 
 			bufflen = sprintf(buffer, "%u", c_len);
 
@@ -204,17 +204,17 @@ static unsigned int mangle_sdp(struct sk_buff **pskb,
 	/* Mangle owner and contact info. */
 	bufflen = sprintf(buffer, "%u.%u.%u.%u", NIPQUAD(newip));
 	if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
-	                       buffer, bufflen, POS_OWNER))
+			       buffer, bufflen, POS_OWNER))
 		return 0;
 
 	if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
-	                       buffer, bufflen, POS_CONNECTION))
+			       buffer, bufflen, POS_CONNECTION))
 		return 0;
 
 	/* Mangle media port. */
 	bufflen = sprintf(buffer, "%u", port);
 	if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
-	                       buffer, bufflen, POS_MEDIA))
+			       buffer, bufflen, POS_MEDIA))
 		return 0;
 
 	return mangle_content_len(pskb, ctinfo, ct, dptr);

net/ipv4/netfilter/ip_nat_snmp_basic.c

@@ -150,8 +150,8 @@ struct asn1_octstr
 };
 
 static void asn1_open(struct asn1_ctx *ctx,
-                      unsigned char *buf,
+		      unsigned char *buf,
-                      unsigned int len)
+		      unsigned int len)
 {
 	ctx->begin = buf;
 	ctx->end = buf + len;
@@ -186,9 +186,9 @@ static unsigned char asn1_tag_decode(struct asn1_ctx *ctx, unsigned int *tag)
 }
 
 static unsigned char asn1_id_decode(struct asn1_ctx *ctx,
-                                    unsigned int *cls,
+				    unsigned int *cls,
-                                    unsigned int *con,
+				    unsigned int *con,
-                                    unsigned int *tag)
+				    unsigned int *tag)
 {
 	unsigned char ch;
 
@@ -207,8 +207,8 @@ static unsigned char asn1_id_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_length_decode(struct asn1_ctx *ctx,
-                                        unsigned int *def,
+					unsigned int *def,
-                                        unsigned int *len)
+					unsigned int *len)
 {
 	unsigned char ch, cnt;
 
@@ -239,10 +239,10 @@ static unsigned char asn1_length_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_header_decode(struct asn1_ctx *ctx,
-                                        unsigned char **eoc,
+					unsigned char **eoc,
-                                        unsigned int *cls,
+					unsigned int *cls,
-                                        unsigned int *con,
+					unsigned int *con,
-                                        unsigned int *tag)
+					unsigned int *tag)
 {
 	unsigned int def, len;
 
@@ -297,8 +297,8 @@ static unsigned char asn1_null_decode(struct asn1_ctx *ctx, unsigned char *eoc)
 }
 
 static unsigned char asn1_long_decode(struct asn1_ctx *ctx,
-                                      unsigned char *eoc,
+				      unsigned char *eoc,
-                                      long *integer)
+				      long *integer)
 {
 	unsigned char ch;
 	unsigned int  len;
@@ -325,8 +325,8 @@ static unsigned char asn1_long_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_uint_decode(struct asn1_ctx *ctx,
-                                      unsigned char *eoc,
+				      unsigned char *eoc,
-                                      unsigned int *integer)
+				      unsigned int *integer)
 {
 	unsigned char ch;
 	unsigned int  len;
@@ -354,8 +354,8 @@ static unsigned char asn1_uint_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_ulong_decode(struct asn1_ctx *ctx,
-                                       unsigned char *eoc,
+				       unsigned char *eoc,
-                                       unsigned long *integer)
+				       unsigned long *integer)
 {
 	unsigned char ch;
 	unsigned int  len;
@@ -383,9 +383,9 @@ static unsigned char asn1_ulong_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_octets_decode(struct asn1_ctx *ctx,
-                                        unsigned char *eoc,
+					unsigned char *eoc,
-                                        unsigned char **octets,
+					unsigned char **octets,
-                                        unsigned int *len)
+					unsigned int *len)
 {
 	unsigned char *ptr;
 
@@ -411,7 +411,7 @@ static unsigned char asn1_octets_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_subid_decode(struct asn1_ctx *ctx,
-                                       unsigned long *subid)
+				       unsigned long *subid)
 {
 	unsigned char ch;
 
@@ -428,9 +428,9 @@ static unsigned char asn1_subid_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_oid_decode(struct asn1_ctx *ctx,
-                                     unsigned char *eoc,
+				     unsigned char *eoc,
-                                     unsigned long **oid,
+				     unsigned long **oid,
-                                     unsigned int *len)
+				     unsigned int *len)
 {
 	unsigned long subid;
 	unsigned int  size;
@@ -611,9 +611,9 @@ struct snmp_v1_trap
 #define SERR_EOM    2
 
 static inline void mangle_address(unsigned char *begin,
-                                  unsigned char *addr,
+				  unsigned char *addr,
-                                  const struct oct1_map *map,
+				  const struct oct1_map *map,
-                                  __sum16 *check);
+				  __sum16 *check);
 struct snmp_cnv
 {
 	unsigned int class;
@@ -644,8 +644,8 @@ static struct snmp_cnv snmp_conv [] =
 };
 
 static unsigned char snmp_tag_cls2syntax(unsigned int tag,
-                                         unsigned int cls,
+					 unsigned int cls,
-                                         unsigned short *syntax)
+					 unsigned short *syntax)
 {
 	struct snmp_cnv *cnv;
 
@@ -662,7 +662,7 @@ static unsigned char snmp_tag_cls2syntax(unsigned int tag,
 }
 
 static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
-                                        struct snmp_object **obj)
+					struct snmp_object **obj)
 {
 	unsigned int cls, con, tag, len, idlen;
 	unsigned short type;
@@ -714,7 +714,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 				return 0;
 			}
 			*obj = kmalloc(sizeof(struct snmp_object) + len,
-			               GFP_ATOMIC);
+				       GFP_ATOMIC);
 			if (*obj == NULL) {
 				kfree(id);
 				if (net_ratelimit())
@@ -730,7 +730,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 				return 0;
 			}
 			*obj = kmalloc(sizeof(struct snmp_object) + len,
-			               GFP_ATOMIC);
+				       GFP_ATOMIC);
 			if (*obj == NULL) {
 				kfree(id);
 				if (net_ratelimit())
@@ -834,7 +834,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char snmp_request_decode(struct asn1_ctx *ctx,
-                                         struct snmp_request *request)
+					 struct snmp_request *request)
 {
 	unsigned int cls, con, tag;
 	unsigned char *end;
@@ -874,9 +874,9 @@ static unsigned char snmp_request_decode(struct asn1_ctx *ctx,
  * code example in the draft.
  */
 static void fast_csum(__sum16 *csum,
-                      const unsigned char *optr,
+		      const unsigned char *optr,
-                      const unsigned char *nptr,
+		      const unsigned char *nptr,
-                      int offset)
+		      int offset)
 {
 	unsigned char s[4];
 
@@ -899,9 +899,9 @@ static void fast_csum(__sum16 *csum,
  *      - addr points to the start of the address
  */
 static inline void mangle_address(unsigned char *begin,
-                                  unsigned char *addr,
+				  unsigned char *addr,
-                                  const struct oct1_map *map,
+				  const struct oct1_map *map,
-                                  __sum16 *check)
+				  __sum16 *check)
 {
 	if (map->from == NOCT1(addr)) {
 		u_int32_t old;
@@ -914,7 +914,7 @@ static inline void mangle_address(unsigned char *begin,
 		/* Update UDP checksum if being used */
 		if (*check) {
 			fast_csum(check,
-			          &map->from, &map->to, addr - begin);
+				  &map->from, &map->to, addr - begin);
 		}
 
 		if (debug)
@@ -924,9 +924,9 @@ static inline void mangle_address(unsigned char *begin,
 }
 
 static unsigned char snmp_trap_decode(struct asn1_ctx *ctx,
-                                      struct snmp_v1_trap *trap,
+				      struct snmp_v1_trap *trap,
-                                      const struct oct1_map *map,
+				      const struct oct1_map *map,
-                                      __sum16 *check)
+				      __sum16 *check)
 {
 	unsigned int cls, con, tag, len;
 	unsigned char *end;
@@ -1018,9 +1018,9 @@ static void hex_dump(unsigned char *buf, size_t len)
  * (And this is the fucking 'basic' method).
  */
 static int snmp_parse_mangle(unsigned char *msg,
-                             u_int16_t len,
+			     u_int16_t len,
-                             const struct oct1_map *map,
+			     const struct oct1_map *map,
-                             __sum16 *check)
+			     __sum16 *check)
 {
 	unsigned char *eoc, *end;
 	unsigned int cls, con, tag, vers, pdutype;
@@ -1190,8 +1190,8 @@ static int snmp_parse_mangle(unsigned char *msg,
  * SNMP translation routine.
  */
 static int snmp_translate(struct ip_conntrack *ct,
-                          enum ip_conntrack_info ctinfo,
+			  enum ip_conntrack_info ctinfo,
-                          struct sk_buff **pskb)
+			  struct sk_buff **pskb)
 {
 	struct iphdr *iph = (*pskb)->nh.iph;
 	struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl);
@@ -1218,7 +1218,7 @@ static int snmp_translate(struct ip_conntrack *ct,
 		return NF_ACCEPT;
 
 	if (!snmp_parse_mangle((unsigned char *)udph + sizeof(struct udphdr),
-	                       paylen, &map, &udph->check)) {
+			       paylen, &map, &udph->check)) {
 		if (net_ratelimit())
 			printk(KERN_WARNING "bsalg: parser failed\n");
 		return NF_DROP;

net/ipv4/netfilter/ip_nat_standalone.c

@@ -107,8 +107,8 @@ ip_nat_fn(unsigned int hooknum,
 	   protocol. 8) --RR */
 	if (!ct) {
 		/* Exception: ICMP redirect to new connection (not in
-                   hash table yet).  We must not let this through, in
+		   hash table yet).  We must not let this through, in
-                   case we're doing NAT to the same network. */
+		   case we're doing NAT to the same network. */
 		if ((*pskb)->nh.iph->protocol == IPPROTO_ICMP) {
 			struct icmphdr _hdr, *hp;
 
@@ -148,7 +148,7 @@ ip_nat_fn(unsigned int hooknum,
 			if (unlikely(is_confirmed(ct)))
 				/* NAT module was loaded late */
 				ret = alloc_null_binding_confirmed(ct, info,
-				                                   hooknum);
+								   hooknum);
 			else if (hooknum == NF_IP_LOCAL_IN)
 				/* LOCAL_IN hook doesn't have a chain!  */
 				ret = alloc_null_binding(ct, info, hooknum);
@@ -179,10 +179,10 @@ ip_nat_fn(unsigned int hooknum,
 
 static unsigned int
 ip_nat_in(unsigned int hooknum,
-          struct sk_buff **pskb,
+	  struct sk_buff **pskb,
-          const struct net_device *in,
+	  const struct net_device *in,
-          const struct net_device *out,
+	  const struct net_device *out,
-          int (*okfn)(struct sk_buff *))
+	  int (*okfn)(struct sk_buff *))
 {
 	unsigned int ret;
 	__be32 daddr = (*pskb)->nh.iph->daddr;
@@ -277,9 +277,9 @@ ip_nat_adjust(unsigned int hooknum,
 
 	ct = ip_conntrack_get(*pskb, &ctinfo);
 	if (ct && test_bit(IPS_SEQ_ADJUST_BIT, &ct->status)) {
-	        DEBUGP("ip_nat_standalone: adjusting sequence number\n");
+		DEBUGP("ip_nat_standalone: adjusting sequence number\n");
-	        if (!ip_nat_seq_adjust(pskb, ct, ctinfo))
+		if (!ip_nat_seq_adjust(pskb, ct, ctinfo))
-	                return NF_DROP;
+			return NF_DROP;
 	}
 	return NF_ACCEPT;
 }

net/ipv4/netfilter/ip_queue.c

@@ -262,7 +262,7 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
 		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)
@@ -310,19 +310,19 @@ ipq_enqueue_packet(struct sk_buff *skb, struct nf_info *info,
 		goto err_out_free_nskb;
 
 	if (queue_total >= queue_maxlen) {
-                queue_dropped++;
+		queue_dropped++;
 		status = -ENOSPC;
 		if (net_ratelimit())
-		          printk (KERN_WARNING "ip_queue: full at %d entries, "
+			  printk (KERN_WARNING "ip_queue: full at %d entries, "
 				  "dropping packets(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;
 	}
 
@@ -361,9 +361,9 @@ ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
 			struct sk_buff *newskb;
 
 			newskb = skb_copy_expand(e->skb,
-			                         skb_headroom(e->skb),
+						 skb_headroom(e->skb),
-			                         diff,
+						 diff,
-			                         GFP_ATOMIC);
+						 GFP_ATOMIC);
 			if (newskb == NULL) {
 				printk(KERN_WARNING "ip_queue: OOM "
 				      "in mangle, dropping packet\n");
@@ -426,7 +426,7 @@ 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;
 
@@ -436,7 +436,7 @@ 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:
@@ -444,7 +444,7 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg,
 			status = -EINVAL;
 		else
 			status = ipq_set_verdict(&pmsg->msg.verdict,
-			                         len - sizeof(*pmsg));
+						 len - sizeof(*pmsg));
 			break;
 	default:
 		status = -EINVAL;
@@ -468,7 +468,7 @@ dev_cmp(struct ipq_queue_entry *entry, unsigned long ifindex)
 			return 1;
 		if (entry->skb->nf_bridge->physoutdev &&
 		    entry->skb->nf_bridge->physoutdev->ifindex == ifindex)
-		    	return 1;
+			return 1;
 	}
 #endif
 	return 0;
@@ -534,13 +534,13 @@ ipq_rcv_skb(struct sk_buff *skb)
 	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
@@ -562,7 +562,7 @@ ipq_rcv_sk(struct sock *sk, int len)
 
 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;
 
@@ -578,7 +578,7 @@ 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;
 
@@ -607,7 +607,7 @@ static ctl_table ipq_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec
 	},
- 	{ .ctl_name = 0 }
+	{ .ctl_name = 0 }
 };
 
 static ctl_table ipq_dir_table[] = {
@@ -639,18 +639,18 @@ ipq_get_info(char *buffer, char **start, off_t offset, int length)
 	read_lock_bh(&queue_lock);
 
 	len = sprintf(buffer,
-	              "Peer PID          : %d\n"
+		      "Peer PID          : %d\n"
-	              "Copy mode         : %hu\n"
+		      "Copy mode         : %hu\n"
-	              "Copy range        : %u\n"
+		      "Copy range        : %u\n"
-	              "Queue length      : %u\n"
+		      "Queue length      : %u\n"
-	              "Queue max. length : %u\n"
+		      "Queue max. length : %u\n"
 		      "Queue dropped     : %u\n"
 		      "Netlink dropped   : %u\n",
-	              peer_pid,
+		      peer_pid,
-	              copy_mode,
+		      copy_mode,
-	              copy_range,
+		      copy_range,
-	              queue_total,
+		      queue_total,
-	              queue_maxlen,
+		      queue_maxlen,
 		      queue_dropped,
 		      queue_user_dropped);
 

net/ipv4/netfilter/ip_tables.c

@@ -297,7 +297,7 @@ ipt_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 ipt_entry *)table_base)->comefrom
 					= 0xeeeeeeec;
@@ -556,9 +556,9 @@ err:
 
 static inline int check_target(struct ipt_entry *e, const char *name)
 {
- 	struct ipt_entry_target *t;
+	struct ipt_entry_target *t;
 	struct xt_target *target;
- 	int ret;
+	int ret;
 
 	t = ipt_get_target(e);
 	target = t->u.kernel.target;
@@ -652,7 +652,7 @@ check_entry_size_and_hooks(struct ipt_entry *e,
 	}
 
 	/* FIXME: underflows must be unconditional, standard verdicts
-           < 0 (not IPT_RETURN). --RR */
+	   < 0 (not IPT_RETURN). --RR */
 
 	/* Clear counters and comefrom */
 	e->counters = ((struct xt_counters) { 0, 0 });
@@ -2057,7 +2057,7 @@ void ipt_unregister_table(struct xt_table *table)
 	struct xt_table_info *private;
 	void *loc_cpu_entry;
 
- 	private = xt_unregister_table(table);
+	private = xt_unregister_table(table);
 
 	/* Decrease module usage counts and free resources */
 	loc_cpu_entry = private->entries[raw_smp_processor_id()];

net/ipv4/netfilter/ipt_CLUSTERIP.c

@@ -376,8 +376,8 @@ static int
 checkentry(const char *tablename,
 	   const void *e_void,
 	   const struct xt_target *target,
-           void *targinfo,
+	   void *targinfo,
-           unsigned int hook_mask)
+	   unsigned int hook_mask)
 {
 	struct ipt_clusterip_tgt_info *cipinfo = targinfo;
 	const struct ipt_entry *e = e_void;

net/ipv4/netfilter/ipt_ECN.c

@@ -104,8 +104,8 @@ static int
 checkentry(const char *tablename,
 	   const void *e_void,
 	   const struct xt_target *target,
-           void *targinfo,
+	   void *targinfo,
-           unsigned int hook_mask)
+	   unsigned int hook_mask)
 {
 	const struct ipt_ECN_info *einfo = (struct ipt_ECN_info *)targinfo;
 	const struct ipt_entry *e = e_void;

net/ipv4/netfilter/ipt_LOG.c

@@ -334,10 +334,10 @@ static void dump_packet(const struct nf_loginfo *info,
 	}
 
 	/* Max length: 15 "UID=4294967295 " */
- 	if ((logflags & IPT_LOG_UID) && !iphoff && skb->sk) {
+	if ((logflags & IPT_LOG_UID) && !iphoff && skb->sk) {
 		read_lock_bh(&skb->sk->sk_callback_lock);
 		if (skb->sk->sk_socket && skb->sk->sk_socket->file)
- 			printk("UID=%u ", skb->sk->sk_socket->file->f_uid);
+			printk("UID=%u ", skb->sk->sk_socket->file->f_uid);
 		read_unlock_bh(&skb->sk->sk_callback_lock);
 	}
 
@@ -431,7 +431,7 @@ ipt_log_target(struct sk_buff **pskb,
 	li.u.log.logflags = loginfo->logflags;
 
 	ipt_log_packet(PF_INET, hooknum, *pskb, in, out, &li,
-	               loginfo->prefix);
+		       loginfo->prefix);
 	return XT_CONTINUE;
 }
 

net/ipv4/netfilter/ipt_MASQUERADE.c

@@ -86,7 +86,7 @@ masquerade_target(struct sk_buff **pskb,
 	nat = nfct_nat(ct);
 #endif
 	IP_NF_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED
-	                    || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+			    || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
 
 	/* Source address is 0.0.0.0 - locally generated packet that is
 	 * probably not supposed to be masqueraded.

net/ipv4/netfilter/ipt_NETMAP.c

@@ -98,7 +98,7 @@ static struct xt_target target_module = {
 	.hooks		= (1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_POST_ROUTING) |
 			  (1 << NF_IP_LOCAL_OUT),
 	.checkentry 	= check,
-    	.me 		= THIS_MODULE 
+	.me 		= THIS_MODULE
 };
 
 static int __init ipt_netmap_init(void)

net/ipv4/netfilter/ipt_REJECT.c

@@ -57,7 +57,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
 	oth = skb_header_pointer(oldskb, oldskb->nh.iph->ihl * 4,
 				 sizeof(_otcph), &_otcph);
 	if (oth == NULL)
- 		return;
+		return;
 
 	/* No RST for RST. */
 	if (oth->rst)
@@ -177,33 +177,33 @@ static unsigned int reject(struct sk_buff **pskb,
 	const struct ipt_reject_info *reject = targinfo;
 
 	/* Our naive response construction doesn't deal with IP
-           options, and probably shouldn't try. */
+	   options, and probably shouldn't try. */
 	if ((*pskb)->nh.iph->ihl<<2 != sizeof(struct iphdr))
 		return NF_DROP;
 
 	/* WARNING: This code causes reentry within iptables.
 	   This means that the iptables jump stack is now crap.  We
 	   must return an absolute verdict. --RR */
-    	switch (reject->with) {
+	switch (reject->with) {
-    	case IPT_ICMP_NET_UNREACHABLE:
+	case IPT_ICMP_NET_UNREACHABLE:
-    		send_unreach(*pskb, ICMP_NET_UNREACH);
+		send_unreach(*pskb, ICMP_NET_UNREACH);
-    		break;
+		break;
-    	case IPT_ICMP_HOST_UNREACHABLE:
+	case IPT_ICMP_HOST_UNREACHABLE:
-    		send_unreach(*pskb, ICMP_HOST_UNREACH);
+		send_unreach(*pskb, ICMP_HOST_UNREACH);
-    		break;
+		break;
-    	case IPT_ICMP_PROT_UNREACHABLE:
+	case IPT_ICMP_PROT_UNREACHABLE:
-    		send_unreach(*pskb, ICMP_PROT_UNREACH);
+		send_unreach(*pskb, ICMP_PROT_UNREACH);
-    		break;
+		break;
-    	case IPT_ICMP_PORT_UNREACHABLE:
+	case IPT_ICMP_PORT_UNREACHABLE:
-    		send_unreach(*pskb, ICMP_PORT_UNREACH);
+		send_unreach(*pskb, ICMP_PORT_UNREACH);
-    		break;
+		break;
-    	case IPT_ICMP_NET_PROHIBITED:
+	case IPT_ICMP_NET_PROHIBITED:
-    		send_unreach(*pskb, ICMP_NET_ANO);
+		send_unreach(*pskb, ICMP_NET_ANO);
-    		break;
+		break;
 	case IPT_ICMP_HOST_PROHIBITED:
-    		send_unreach(*pskb, ICMP_HOST_ANO);
+		send_unreach(*pskb, ICMP_HOST_ANO);
-    		break;
+		break;
-    	case IPT_ICMP_ADMIN_PROHIBITED:
+	case IPT_ICMP_ADMIN_PROHIBITED:
 		send_unreach(*pskb, ICMP_PKT_FILTERED);
 		break;
 	case IPT_TCP_RESET:
@@ -222,7 +222,7 @@ static int check(const char *tablename,
 		 void *targinfo,
 		 unsigned int hook_mask)
 {
- 	const struct ipt_reject_info *rejinfo = targinfo;
+	const struct ipt_reject_info *rejinfo = targinfo;
 	const struct ipt_entry *e = e_void;
 
 	if (rejinfo->with == IPT_ICMP_ECHOREPLY) {

net/ipv4/netfilter/ipt_TOS.c

@@ -47,8 +47,8 @@ static int
 checkentry(const char *tablename,
 	   const void *e_void,
 	   const struct xt_target *target,
-           void *targinfo,
+	   void *targinfo,
-           unsigned int hook_mask)
+	   unsigned int hook_mask)
 {
 	const u_int8_t tos = ((struct ipt_tos_target_info *)targinfo)->tos;
 

net/ipv4/netfilter/ipt_ULOG.c

@@ -72,7 +72,7 @@ MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_NFLOG);
 
 #if 0
 #define DEBUGP(format, args...) printk("%s:%s:" format, \
-                                       __FILE__, __FUNCTION__ , ## args)
+				       __FILE__, __FUNCTION__ , ## args)
 #else
 #define DEBUGP(format, args...)
 #endif
@@ -396,7 +396,7 @@ static int __init ipt_ulog_init(void)
 	}
 
 	nflognl = netlink_kernel_create(NETLINK_NFLOG, ULOG_MAXNLGROUPS, NULL,
-	                                THIS_MODULE);
+					THIS_MODULE);
 	if (!nflognl)
 		return -ENOMEM;
 

net/ipv4/netfilter/ipt_ah.c

@@ -29,8 +29,8 @@ static inline int
 spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, int invert)
 {
 	int r=0;
-        duprintf("ah spi_match:%c 0x%x <= 0x%x <= 0x%x",invert? '!':' ',
+	duprintf("ah spi_match:%c 0x%x <= 0x%x <= 0x%x",invert? '!':' ',
-        	min,spi,max);
+		min,spi,max);
 	r=(spi >= min && spi <= max) ^ invert;
 	duprintf(" result %s\n",r? "PASS" : "FAILED");
 	return r;

net/ipv4/netfilter/ipt_iprange.c

@@ -41,7 +41,7 @@ match(const struct sk_buff *skb,
 			DEBUGP("src IP %u.%u.%u.%u NOT in range %s"
 			       "%u.%u.%u.%u-%u.%u.%u.%u\n",
 				NIPQUAD(iph->saddr),
-			        info->flags & IPRANGE_SRC_INV ? "(INV) " : "",
+				info->flags & IPRANGE_SRC_INV ? "(INV) " : "",
 				NIPQUAD(info->src.min_ip),
 				NIPQUAD(info->src.max_ip));
 			return 0;
@@ -54,7 +54,7 @@ match(const struct sk_buff *skb,
 			DEBUGP("dst IP %u.%u.%u.%u NOT in range %s"
 			       "%u.%u.%u.%u-%u.%u.%u.%u\n",
 				NIPQUAD(iph->daddr),
-			        info->flags & IPRANGE_DST_INV ? "(INV) " : "",
+				info->flags & IPRANGE_DST_INV ? "(INV) " : "",
 				NIPQUAD(info->dst.min_ip),
 				NIPQUAD(info->dst.max_ip));
 			return 0;

net/ipv4/netfilter/ipt_owner.c

@@ -53,10 +53,10 @@ match(const struct sk_buff *skb,
 
 static int
 checkentry(const char *tablename,
-           const void *ip,
+	   const void *ip,
 	   const struct xt_match *match,
-           void *matchinfo,
+	   void *matchinfo,
-           unsigned int hook_mask)
+	   unsigned int hook_mask)
 {
 	const struct ipt_owner_info *info = matchinfo;
 

net/ipv4/netfilter/iptable_mangle.c

@@ -58,7 +58,7 @@ static struct
 	      { { { { IPT_ALIGN(sizeof(struct ipt_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 ipt_entry),
 		sizeof(struct ipt_standard),
@@ -66,7 +66,7 @@ static struct
 	      { { { { IPT_ALIGN(sizeof(struct ipt_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 ipt_entry),
 		sizeof(struct ipt_standard),

net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c

@@ -66,7 +66,7 @@ static int ipv4_print_tuple(struct seq_file *s,
 			    const struct nf_conntrack_tuple *tuple)
 {
 	return seq_printf(s, "src=%u.%u.%u.%u dst=%u.%u.%u.%u ",
-		          NIPQUAD(tuple->src.u3.ip),
+			  NIPQUAD(tuple->src.u3.ip),
 			  NIPQUAD(tuple->dst.u3.ip));
 }
 
@@ -82,14 +82,14 @@ nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
 {
 	skb_orphan(skb);
 
-        local_bh_disable();
+	local_bh_disable();
-        skb = ip_defrag(skb, user);
+	skb = ip_defrag(skb, user);
-        local_bh_enable();
+	local_bh_enable();
 
-        if (skb)
+	if (skb)
 		ip_send_check(skb->nh.iph);
 
-        return skb;
+	return skb;
 }
 
 static int
@@ -192,10 +192,10 @@ static unsigned int ipv4_conntrack_in(unsigned int hooknum,
 }
 
 static unsigned int ipv4_conntrack_local(unsigned int hooknum,
-				         struct sk_buff **pskb,
+					 struct sk_buff **pskb,
-				         const struct net_device *in,
+					 const struct net_device *in,
-				         const struct net_device *out,
+					 const struct net_device *out,
-				         int (*okfn)(struct sk_buff *))
+					 int (*okfn)(struct sk_buff *))
 {
 	/* root is playing with raw sockets. */
 	if ((*pskb)->len < sizeof(struct iphdr)
@@ -501,7 +501,7 @@ static int __init nf_conntrack_l3proto_ipv4_init(void)
 	return ret;
 #if defined(CONFIG_PROC_FS) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
  cleanup_hooks:
- 	nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
+	nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
 #endif
  cleanup_ipv4:
 	nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);

net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c

@@ -135,7 +135,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
 			l3proto, l4proto))
 		return -ENOSPC;
 
- 	if (seq_print_counters(s, &ct->counters[IP_CT_DIR_ORIGINAL]))
+	if (seq_print_counters(s, &ct->counters[IP_CT_DIR_ORIGINAL]))
 		return -ENOSPC;
 
 	if (!(test_bit(IPS_SEEN_REPLY_BIT, &ct->status)))
@@ -146,7 +146,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
 			l3proto, l4proto))
 		return -ENOSPC;
 
- 	if (seq_print_counters(s, &ct->counters[IP_CT_DIR_REPLY]))
+	if (seq_print_counters(s, &ct->counters[IP_CT_DIR_REPLY]))
 		return -ENOSPC;
 
 	if (test_bit(IPS_ASSURED_BIT, &ct->status))
@@ -228,7 +228,7 @@ static void *exp_seq_start(struct seq_file *s, loff_t *pos)
 
 static void *exp_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
- 	struct list_head *e = v;
+	struct list_head *e = v;
 
 	++*pos;
 	e = e->next;
@@ -262,7 +262,7 @@ static int exp_seq_show(struct seq_file *s, void *v)
 	print_tuple(s, &exp->tuple,
 		    __nf_ct_l3proto_find(exp->tuple.src.l3num),
 		    __nf_ct_l4proto_find(exp->tuple.src.l3num,
-		    			 exp->tuple.dst.protonum));
+					 exp->tuple.dst.protonum));
 	return seq_putc(s, '\n');
 }
 

net/ipv4/netfilter/nf_conntrack_proto_icmp.c

@@ -101,9 +101,9 @@ static int icmp_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
+	   won't actually vanish as we still have skb, and del_timer
-           means this will only run once even if count hits zero twice
+	   means this will only run once even if count hits zero twice
-           (theoretically possible with SMP) */
+	   (theoretically possible with SMP) */
 	if (CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY) {
 		if (atomic_dec_and_test(&ct->proto.icmp.count)
 		    && del_timer(&ct->timeout))
@@ -144,8 +144,8 @@ extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4;
 /* Returns conntrack if it dealt with ICMP, and filled in skb fields */
 static int
 icmp_error_message(struct sk_buff *skb,
-                 enum ip_conntrack_info *ctinfo,
+		 enum ip_conntrack_info *ctinfo,
-                 unsigned int hooknum)
+		 unsigned int hooknum)
 {
 	struct nf_conntrack_tuple innertuple, origtuple;
 	struct {
@@ -181,9 +181,9 @@ icmp_error_message(struct sk_buff *skb,
 		return -NF_ACCEPT;
 	}
 
-        /* Ordinarily, we'd expect the inverted tupleproto, but it's
+	/* Ordinarily, we'd expect the inverted tupleproto, but it's
-           been preserved inside the ICMP. */
+	   been preserved inside the ICMP. */
-        if (!nf_ct_invert_tuple(&innertuple, &origtuple,
+	if (!nf_ct_invert_tuple(&innertuple, &origtuple,
 				&nf_conntrack_l3proto_ipv4, innerproto)) {
 		DEBUGP("icmp_error_message: no match\n");
 		return -NF_ACCEPT;
@@ -212,10 +212,10 @@ icmp_error_message(struct sk_buff *skb,
 			*ctinfo += IP_CT_IS_REPLY;
 	}
 
-        /* Update skb to refer to this connection */
+	/* Update skb to refer to this connection */
-        skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general;
+	skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general;
-        skb->nfctinfo = *ctinfo;
+	skb->nfctinfo = *ctinfo;
-        return -NF_ACCEPT;
+	return -NF_ACCEPT;
 }
 
 /* Small and modified version of icmp_rcv */
@@ -332,7 +332,7 @@ static struct ctl_table icmp_sysctl_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec_jiffies,
 	},
-        {
+	{
 		.ctl_name = 0
 	}
 };
@@ -346,7 +346,7 @@ static struct ctl_table icmp_compat_sysctl_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec_jiffies,
 	},
-        {
+	{
 		.ctl_name = 0
 	}
 };

net/ipv4/netfilter/nf_nat_core.c

@@ -452,8 +452,8 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
 		     (*pskb)->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY);
 
 	/* Redirects on non-null nats must be dropped, else they'll
-           start talking to each other without our translation, and be
+	   start talking to each other without our translation, and be
-           confused... --RR */
+	   confused... --RR */
 	if (inside->icmp.type == ICMP_REDIRECT) {
 		/* If NAT isn't finished, assume it and drop. */
 		if ((ct->status & IPS_NAT_DONE_MASK) != IPS_NAT_DONE_MASK)
@@ -469,13 +469,13 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
 	if (!nf_ct_get_tuple(*pskb,
 			     (*pskb)->nh.iph->ihl*4 + sizeof(struct icmphdr),
 			     (*pskb)->nh.iph->ihl*4 +
-	                     sizeof(struct icmphdr) + inside->ip.ihl*4,
+			     sizeof(struct icmphdr) + inside->ip.ihl*4,
-	                     (u_int16_t)AF_INET,
+			     (u_int16_t)AF_INET,
-	                     inside->ip.protocol,
+			     inside->ip.protocol,
-	                     &inner,
+			     &inner,
-	                     l3proto,
+			     l3proto,
 			     __nf_ct_l4proto_find((u_int16_t)PF_INET,
-			     			  inside->ip.protocol)))
+						  inside->ip.protocol)))
 		return 0;
 
 	/* Change inner back to look like incoming packet.  We do the

net/ipv4/netfilter/nf_nat_h323.c

@@ -256,7 +256,7 @@ static int nat_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct,
 	if (set_h245_addr(pskb, data, dataoff, taddr,
 			  &ct->tuplehash[!dir].tuple.dst.u3,
 			  htons((port & htons(1)) ? nated_port + 1 :
-			  			    nated_port)) == 0) {
+						    nated_port)) == 0) {
 		/* Save ports */
 		info->rtp_port[i][dir] = rtp_port;
 		info->rtp_port[i][!dir] = htons(nated_port);

net/ipv4/netfilter/nf_nat_helper.c

@@ -179,7 +179,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff **pskb,
 		tcph->check = tcp_v4_check(datalen,
 					   iph->saddr, iph->daddr,
 					   csum_partial((char *)tcph,
-					   		datalen, 0));
+							datalen, 0));
 	} else
 		nf_proto_csum_replace2(&tcph->check, *pskb,
 				       htons(oldlen), htons(datalen), 1);
@@ -223,7 +223,7 @@ nf_nat_mangle_udp_packet(struct sk_buff **pskb,
 	/* UDP helpers might accidentally mangle the wrong packet */
 	iph = (*pskb)->nh.iph;
 	if ((*pskb)->len < iph->ihl*4 + sizeof(*udph) +
-	                       match_offset + match_len)
+			       match_offset + match_len)
 		return 0;
 
 	if (!skb_make_writable(pskb, (*pskb)->len))
@@ -252,9 +252,9 @@ nf_nat_mangle_udp_packet(struct sk_buff **pskb,
 	if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
 		udph->check = 0;
 		udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr,
-		                                datalen, IPPROTO_UDP,
+						datalen, IPPROTO_UDP,
-		                                csum_partial((char *)udph,
+						csum_partial((char *)udph,
-		                                             datalen, 0));
+							     datalen, 0));
 		if (!udph->check)
 			udph->check = CSUM_MANGLED_0;
 	} else

net/ipv4/netfilter/nf_nat_pptp.c

@@ -184,10 +184,10 @@ pptp_outbound_pkt(struct sk_buff **pskb,
 
 	/* mangle packet */
 	if (nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
-	                             cid_off + sizeof(struct pptp_pkt_hdr) +
+				     cid_off + sizeof(struct pptp_pkt_hdr) +
-	                             sizeof(struct PptpControlHeader),
+				     sizeof(struct PptpControlHeader),
-	                             sizeof(new_callid), (char *)&new_callid,
+				     sizeof(new_callid), (char *)&new_callid,
-	                             sizeof(new_callid)) == 0)
+				     sizeof(new_callid)) == 0)
 		return NF_DROP;
 	return NF_ACCEPT;
 }
@@ -276,7 +276,7 @@ pptp_inbound_pkt(struct sk_buff **pskb,
 		ntohs(REQ_CID(pptpReq, pcid_off)), ntohs(new_pcid));
 
 	if (nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
-	                             pcid_off + sizeof(struct pptp_pkt_hdr) +
+				     pcid_off + sizeof(struct pptp_pkt_hdr) +
 				     sizeof(struct PptpControlHeader),
 				     sizeof(new_pcid), (char *)&new_pcid,
 				     sizeof(new_pcid)) == 0)

net/ipv4/netfilter/nf_nat_proto_icmp.c

@@ -44,7 +44,7 @@ icmp_unique_tuple(struct nf_conntrack_tuple *tuple,
 
 	for (i = 0; i < range_size; i++, id++) {
 		tuple->src.u.icmp.id = htons(ntohs(range->min.icmp.id) +
-		                             (id % range_size));
+					     (id % range_size));
 		if (!nf_nat_used_tuple(tuple, ct))
 			return 1;
 	}

net/ipv4/netfilter/nf_nat_rule.c

@@ -56,8 +56,8 @@ static struct
 		/* PRE_ROUTING */
 		{
 			.entry = {
-	    			.target_offset = sizeof(struct ipt_entry),
+				.target_offset = sizeof(struct ipt_entry),
-	    			.next_offset = sizeof(struct ipt_standard),
+				.next_offset = sizeof(struct ipt_standard),
 			},
 			.target = {
 				.target = {
@@ -71,8 +71,8 @@ static struct
 		/* POST_ROUTING */
 		{
 			.entry = {
-	    			.target_offset = sizeof(struct ipt_entry),
+				.target_offset = sizeof(struct ipt_entry),
-	    			.next_offset = sizeof(struct ipt_standard),
+				.next_offset = sizeof(struct ipt_standard),
 			},
 			.target = {
 				.target = {
@@ -86,8 +86,8 @@ static struct
 		/* LOCAL_OUT */
 		{
 			.entry = {
-	    			.target_offset = sizeof(struct ipt_entry),
+				.target_offset = sizeof(struct ipt_entry),
-	    			.next_offset = sizeof(struct ipt_standard),
+				.next_offset = sizeof(struct ipt_standard),
 			},
 			.target = {
 				.target = {
@@ -145,7 +145,7 @@ static unsigned int ipt_snat_target(struct sk_buff **pskb,
 
 	/* Connection must be valid and new. */
 	NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
-	                    ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+			    ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
 	NF_CT_ASSERT(out);
 
 	return nf_nat_setup_info(ct, &mr->range[0], hooknum);
@@ -256,8 +256,8 @@ alloc_null_binding(struct nf_conn *ct,
 
 unsigned int
 alloc_null_binding_confirmed(struct nf_conn *ct,
-                             struct nf_nat_info *info,
+			     struct nf_nat_info *info,
-                             unsigned int hooknum)
+			     unsigned int hooknum)
 {
 	__be32 ip
 		= (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC

net/ipv4/netfilter/nf_nat_sip.c

@@ -90,7 +90,7 @@ static int map_sip_addr(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
 		return 1;
 
 	if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
-	                              matchoff, matchlen, addr, addrlen))
+				      matchoff, matchlen, addr, addrlen))
 		return 0;
 	*dptr = (*pskb)->data + (*pskb)->nh.iph->ihl*4 + sizeof(struct udphdr);
 	return 1;
@@ -151,7 +151,7 @@ static unsigned int mangle_sip_packet(struct sk_buff **pskb,
 		return 0;
 
 	if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
-	                              matchoff, matchlen, buffer, bufflen))
+				      matchoff, matchlen, buffer, bufflen))
 		return 0;
 
 	/* We need to reload this. Thanks Patrick. */
@@ -172,7 +172,7 @@ static int mangle_content_len(struct sk_buff **pskb,
 
 	/* Get actual SDP lenght */
 	if (ct_sip_get_info(ct, dptr, (*pskb)->len - dataoff, &matchoff,
-	                    &matchlen, POS_SDP_HEADER) > 0) {
+			    &matchlen, POS_SDP_HEADER) > 0) {
 
 		/* since ct_sip_get_info() give us a pointer passing 'v='
 		   we need to add 2 bytes in this count. */
@@ -180,7 +180,7 @@ static int mangle_content_len(struct sk_buff **pskb,
 
 		/* Now, update SDP length */
 		if (ct_sip_get_info(ct, dptr, (*pskb)->len - dataoff, &matchoff,
-		                    &matchlen, POS_CONTENT) > 0) {
+				    &matchlen, POS_CONTENT) > 0) {
 
 			bufflen = sprintf(buffer, "%u", c_len);
 			return nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
@@ -205,17 +205,17 @@ static unsigned int mangle_sdp(struct sk_buff **pskb,
 	/* Mangle owner and contact info. */
 	bufflen = sprintf(buffer, "%u.%u.%u.%u", NIPQUAD(newip));
 	if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
-	                       buffer, bufflen, POS_OWNER_IP4))
+			       buffer, bufflen, POS_OWNER_IP4))
 		return 0;
 
 	if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
-	                       buffer, bufflen, POS_CONNECTION_IP4))
+			       buffer, bufflen, POS_CONNECTION_IP4))
 		return 0;
 
 	/* Mangle media port. */
 	bufflen = sprintf(buffer, "%u", port);
 	if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
-	                       buffer, bufflen, POS_MEDIA))
+			       buffer, bufflen, POS_MEDIA))
 		return 0;
 
 	return mangle_content_len(pskb, ctinfo, ct, dptr);

net/ipv4/netfilter/nf_nat_snmp_basic.c

@@ -150,8 +150,8 @@ struct asn1_octstr
 };
 
 static void asn1_open(struct asn1_ctx *ctx,
-                      unsigned char *buf,
+		      unsigned char *buf,
-                      unsigned int len)
+		      unsigned int len)
 {
 	ctx->begin = buf;
 	ctx->end = buf + len;
@@ -186,9 +186,9 @@ static unsigned char asn1_tag_decode(struct asn1_ctx *ctx, unsigned int *tag)
 }
 
 static unsigned char asn1_id_decode(struct asn1_ctx *ctx,
-                                    unsigned int *cls,
+				    unsigned int *cls,
-                                    unsigned int *con,
+				    unsigned int *con,
-                                    unsigned int *tag)
+				    unsigned int *tag)
 {
 	unsigned char ch;
 
@@ -207,8 +207,8 @@ static unsigned char asn1_id_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_length_decode(struct asn1_ctx *ctx,
-                                        unsigned int *def,
+					unsigned int *def,
-                                        unsigned int *len)
+					unsigned int *len)
 {
 	unsigned char ch, cnt;
 
@@ -239,10 +239,10 @@ static unsigned char asn1_length_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_header_decode(struct asn1_ctx *ctx,
-                                        unsigned char **eoc,
+					unsigned char **eoc,
-                                        unsigned int *cls,
+					unsigned int *cls,
-                                        unsigned int *con,
+					unsigned int *con,
-                                        unsigned int *tag)
+					unsigned int *tag)
 {
 	unsigned int def, len;
 
@@ -297,8 +297,8 @@ static unsigned char asn1_null_decode(struct asn1_ctx *ctx, unsigned char *eoc)
 }
 
 static unsigned char asn1_long_decode(struct asn1_ctx *ctx,
-                                      unsigned char *eoc,
+				      unsigned char *eoc,
-                                      long *integer)
+				      long *integer)
 {
 	unsigned char ch;
 	unsigned int  len;
@@ -325,8 +325,8 @@ static unsigned char asn1_long_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_uint_decode(struct asn1_ctx *ctx,
-                                      unsigned char *eoc,
+				      unsigned char *eoc,
-                                      unsigned int *integer)
+				      unsigned int *integer)
 {
 	unsigned char ch;
 	unsigned int  len;
@@ -354,8 +354,8 @@ static unsigned char asn1_uint_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_ulong_decode(struct asn1_ctx *ctx,
-                                       unsigned char *eoc,
+				       unsigned char *eoc,
-                                       unsigned long *integer)
+				       unsigned long *integer)
 {
 	unsigned char ch;
 	unsigned int  len;
@@ -383,9 +383,9 @@ static unsigned char asn1_ulong_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_octets_decode(struct asn1_ctx *ctx,
-                                        unsigned char *eoc,
+					unsigned char *eoc,
-                                        unsigned char **octets,
+					unsigned char **octets,
-                                        unsigned int *len)
+					unsigned int *len)
 {
 	unsigned char *ptr;
 
@@ -411,7 +411,7 @@ static unsigned char asn1_octets_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_subid_decode(struct asn1_ctx *ctx,
-                                       unsigned long *subid)
+				       unsigned long *subid)
 {
 	unsigned char ch;
 
@@ -428,9 +428,9 @@ static unsigned char asn1_subid_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char asn1_oid_decode(struct asn1_ctx *ctx,
-                                     unsigned char *eoc,
+				     unsigned char *eoc,
-                                     unsigned long **oid,
+				     unsigned long **oid,
-                                     unsigned int *len)
+				     unsigned int *len)
 {
 	unsigned long subid;
 	unsigned int  size;
@@ -611,9 +611,9 @@ struct snmp_v1_trap
 #define SERR_EOM    2
 
 static inline void mangle_address(unsigned char *begin,
-                                  unsigned char *addr,
+				  unsigned char *addr,
-                                  const struct oct1_map *map,
+				  const struct oct1_map *map,
-                                  __sum16 *check);
+				  __sum16 *check);
 struct snmp_cnv
 {
 	unsigned int class;
@@ -644,8 +644,8 @@ static struct snmp_cnv snmp_conv [] =
 };
 
 static unsigned char snmp_tag_cls2syntax(unsigned int tag,
-                                         unsigned int cls,
+					 unsigned int cls,
-                                         unsigned short *syntax)
+					 unsigned short *syntax)
 {
 	struct snmp_cnv *cnv;
 
@@ -662,7 +662,7 @@ static unsigned char snmp_tag_cls2syntax(unsigned int tag,
 }
 
 static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
-                                        struct snmp_object **obj)
+					struct snmp_object **obj)
 {
 	unsigned int cls, con, tag, len, idlen;
 	unsigned short type;
@@ -714,7 +714,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 				return 0;
 			}
 			*obj = kmalloc(sizeof(struct snmp_object) + len,
-			               GFP_ATOMIC);
+				       GFP_ATOMIC);
 			if (*obj == NULL) {
 				kfree(id);
 				if (net_ratelimit())
@@ -730,7 +730,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 				return 0;
 			}
 			*obj = kmalloc(sizeof(struct snmp_object) + len,
-			               GFP_ATOMIC);
+				       GFP_ATOMIC);
 			if (*obj == NULL) {
 				kfree(id);
 				if (net_ratelimit())
@@ -834,7 +834,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 }
 
 static unsigned char snmp_request_decode(struct asn1_ctx *ctx,
-                                         struct snmp_request *request)
+					 struct snmp_request *request)
 {
 	unsigned int cls, con, tag;
 	unsigned char *end;
@@ -874,9 +874,9 @@ static unsigned char snmp_request_decode(struct asn1_ctx *ctx,
  * code example in the draft.
  */
 static void fast_csum(__sum16 *csum,
-                      const unsigned char *optr,
+		      const unsigned char *optr,
-                      const unsigned char *nptr,
+		      const unsigned char *nptr,
-                      int offset)
+		      int offset)
 {
 	unsigned char s[4];
 
@@ -899,9 +899,9 @@ static void fast_csum(__sum16 *csum,
  *      - addr points to the start of the address
  */
 static inline void mangle_address(unsigned char *begin,
-                                  unsigned char *addr,
+				  unsigned char *addr,
-                                  const struct oct1_map *map,
+				  const struct oct1_map *map,
-                                  __sum16 *check)
+				  __sum16 *check)
 {
 	if (map->from == NOCT1(addr)) {
 		u_int32_t old;
@@ -914,7 +914,7 @@ static inline void mangle_address(unsigned char *begin,
 		/* Update UDP checksum if being used */
 		if (*check) {
 			fast_csum(check,
-			          &map->from, &map->to, addr - begin);
+				  &map->from, &map->to, addr - begin);
 
 		}
 
@@ -925,9 +925,9 @@ static inline void mangle_address(unsigned char *begin,
 }
 
 static unsigned char snmp_trap_decode(struct asn1_ctx *ctx,
-                                      struct snmp_v1_trap *trap,
+				      struct snmp_v1_trap *trap,
-                                      const struct oct1_map *map,
+				      const struct oct1_map *map,
-                                      __sum16 *check)
+				      __sum16 *check)
 {
 	unsigned int cls, con, tag, len;
 	unsigned char *end;
@@ -1019,9 +1019,9 @@ static void hex_dump(unsigned char *buf, size_t len)
  * (And this is the fucking 'basic' method).
  */
 static int snmp_parse_mangle(unsigned char *msg,
-                             u_int16_t len,
+			     u_int16_t len,
-                             const struct oct1_map *map,
+			     const struct oct1_map *map,
-                             __sum16 *check)
+			     __sum16 *check)
 {
 	unsigned char *eoc, *end;
 	unsigned int cls, con, tag, vers, pdutype;
@@ -1191,8 +1191,8 @@ static int snmp_parse_mangle(unsigned char *msg,
  * SNMP translation routine.
  */
 static int snmp_translate(struct nf_conn *ct,
-                          enum ip_conntrack_info ctinfo,
+			  enum ip_conntrack_info ctinfo,
-                          struct sk_buff **pskb)
+			  struct sk_buff **pskb)
 {
 	struct iphdr *iph = (*pskb)->nh.iph;
 	struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl);
@@ -1219,7 +1219,7 @@ static int snmp_translate(struct nf_conn *ct,
 		return NF_ACCEPT;
 
 	if (!snmp_parse_mangle((unsigned char *)udph + sizeof(struct udphdr),
-	                       paylen, &map, &udph->check)) {
+			       paylen, &map, &udph->check)) {
 		if (net_ratelimit())
 			printk(KERN_WARNING "bsalg: parser failed\n");
 		return NF_DROP;

net/ipv4/netfilter/nf_nat_standalone.c

@@ -96,8 +96,8 @@ nf_nat_fn(unsigned int hooknum,
 	   protocol. 8) --RR */
 	if (!ct) {
 		/* Exception: ICMP redirect to new connection (not in
-                   hash table yet).  We must not let this through, in
+		   hash table yet).  We must not let this through, in
-                   case we're doing NAT to the same network. */
+		   case we're doing NAT to the same network. */
 		if ((*pskb)->nh.iph->protocol == IPPROTO_ICMP) {
 			struct icmphdr _hdr, *hp;
 
@@ -141,7 +141,7 @@ nf_nat_fn(unsigned int hooknum,
 			if (unlikely(nf_ct_is_confirmed(ct)))
 				/* NAT module was loaded late */
 				ret = alloc_null_binding_confirmed(ct, info,
-				                                   hooknum);
+								   hooknum);
 			else if (hooknum == NF_IP_LOCAL_IN)
 				/* LOCAL_IN hook doesn't have a chain!  */
 				ret = alloc_null_binding(ct, info, hooknum);
@@ -171,10 +171,10 @@ nf_nat_fn(unsigned int hooknum,
 
 static unsigned int
 nf_nat_in(unsigned int hooknum,
-          struct sk_buff **pskb,
+	  struct sk_buff **pskb,
-          const struct net_device *in,
+	  const struct net_device *in,
-          const struct net_device *out,
+	  const struct net_device *out,
-          int (*okfn)(struct sk_buff *))
+	  int (*okfn)(struct sk_buff *))
 {
 	unsigned int ret;
 	__be32 daddr = (*pskb)->nh.iph->daddr;
@@ -269,9 +269,9 @@ nf_nat_adjust(unsigned int hooknum,
 
 	ct = nf_ct_get(*pskb, &ctinfo);
 	if (ct && test_bit(IPS_SEQ_ADJUST_BIT, &ct->status)) {
-	        DEBUGP("nf_nat_standalone: adjusting sequence number\n");
+		DEBUGP("nf_nat_standalone: adjusting sequence number\n");
-	        if (!nf_nat_seq_adjust(pskb, ct, ctinfo))
+		if (!nf_nat_seq_adjust(pskb, ct, ctinfo))
-	                return NF_DROP;
+			return NF_DROP;
 	}
 	return NF_ACCEPT;
 }

net/ipv4/raw.c

@@ -95,7 +95,7 @@ static void raw_v4_hash(struct sock *sk)
 
 static void raw_v4_unhash(struct sock *sk)
 {
- 	write_lock_bh(&raw_v4_lock);
+	write_lock_bh(&raw_v4_lock);
 	if (sk_del_node_init(sk))
 		sock_prot_dec_use(sk->sk_prot);
 	write_unlock_bh(&raw_v4_lock);
@@ -480,7 +480,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 						.saddr = saddr,
 						.tos = tos } },
 				    .proto = inet->hdrincl ? IPPROTO_RAW :
-					    		     sk->sk_protocol,
+							     sk->sk_protocol,
 				  };
 		if (!inet->hdrincl) {
 			err = raw_probe_proto_opt(&fl, msg);
@@ -538,7 +538,7 @@ do_confirm:
 
 static void raw_close(struct sock *sk, long timeout)
 {
-        /*
+	/*
 	 * Raw sockets may have direct kernel refereneces. Kill them.
 	 */
 	ip_ra_control(sk, 0, NULL);

net/ipv4/route.c

@@ -361,8 +361,8 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
 				       dev_queue_xmit) : 0,
 			r->rt_spec_dst);
 		seq_printf(seq, "%-127s\n", temp);
-        }
+	}
-  	return 0;
+	return 0;
 }
 
 static struct seq_operations rt_cache_seq_ops = {
@@ -672,8 +672,8 @@ static void rt_check_expire(unsigned long dummy)
 				rt_free(rth);
 			}
 #else /* CONFIG_IP_ROUTE_MULTIPATH_CACHED */
- 			*rthp = rth->u.rt_next;
+			*rthp = rth->u.rt_next;
- 			rt_free(rth);
+			rt_free(rth);
 #endif /* CONFIG_IP_ROUTE_MULTIPATH_CACHED */
 		}
 		spin_unlock(rt_hash_lock_addr(i));
@@ -1190,7 +1190,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 
 				/* Copy all the information. */
 				*rt = *rth;
- 				INIT_RCU_HEAD(&rt->u.dst.rcu_head);
+				INIT_RCU_HEAD(&rt->u.dst.rcu_head);
 				rt->u.dst.__use		= 1;
 				atomic_set(&rt->u.dst.__refcnt, 1);
 				rt->u.dst.child		= NULL;
@@ -1229,7 +1229,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 				netevent.old = &rth->u.dst;
 				netevent.new = &rt->u.dst;
 				call_netevent_notifiers(NETEVENT_REDIRECT,
-						        &netevent);
+							&netevent);
 
 				rt_del(hash, rth);
 				if (!rt_intern_hash(hash, rt, &rt))
@@ -1343,7 +1343,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
 #endif
 	}
 out:
-        in_dev_put(in_dev);
+	in_dev_put(in_dev);
 }
 
 static int ip_error(struct sk_buff *skb)
@@ -1600,7 +1600,7 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
 #endif
 	set_class_tag(rt, itag);
 #endif
-        rt->rt_type = res->type;
+	rt->rt_type = res->type;
 }
 
 static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
@@ -2071,8 +2071,8 @@ martian_destination:
 #endif
 
 e_hostunreach:
-        err = -EHOSTUNREACH;
+	err = -EHOSTUNREACH;
-        goto done;
+	goto done;
 
 e_inval:
 	err = -EINVAL;
@@ -2886,7 +2886,7 @@ static int ipv4_sysctl_rtcache_flush_strategy(ctl_table *table,
 }
 
 ctl_table ipv4_route_table[] = {
-        {
+	{
 		.ctl_name 	= NET_IPV4_ROUTE_FLUSH,
 		.procname	= "flush",
 		.data		= &flush_delay,
@@ -3181,7 +3181,7 @@ int __init ip_rt_init(void)
 	struct proc_dir_entry *rtstat_pde = NULL; /* keep gcc happy */
 	if (!proc_net_fops_create("rt_cache", S_IRUGO, &rt_cache_seq_fops) ||
 	    !(rtstat_pde = create_proc_entry("rt_cache", S_IRUGO,
-			    		     proc_net_stat))) {
+					     proc_net_stat))) {
 		return -ENOMEM;
 	}
 	rtstat_pde->proc_fops = &rt_cpu_seq_fops;

net/ipv4/syncookies.c

@@ -57,7 +57,7 @@ static __u32 secure_tcp_syn_cookie(__be32 saddr, __be32 daddr, __be16 sport,
 	/*
 	 * Compute the secure sequence number.
 	 * The output should be:
-   	 *   HASH(sec1,saddr,sport,daddr,dport,sec1) + sseq + (count * 2^24)
+	 *   HASH(sec1,saddr,sport,daddr,dport,sec1) + sseq + (count * 2^24)
 	 *      + (HASH(sec2,saddr,sport,daddr,dport,count,sec2) % 2^24).
 	 * Where sseq is their sequence number and count increases every
 	 * minute by 1.
@@ -201,9 +201,9 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	if (!sysctl_tcp_syncookies || !skb->h.th->ack)
 		goto out;
 
-  	if (time_after(jiffies, tp->last_synq_overflow + TCP_TIMEOUT_INIT) ||
+	if (time_after(jiffies, tp->last_synq_overflow + TCP_TIMEOUT_INIT) ||
 	    (mss = cookie_check(skb, cookie)) == 0) {
-	 	NET_INC_STATS_BH(LINUX_MIB_SYNCOOKIESFAILED);
+		NET_INC_STATS_BH(LINUX_MIB_SYNCOOKIESFAILED);
 		goto out;
 	}
 
@@ -223,7 +223,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	treq->rcv_isn		= ntohl(skb->h.th->seq) - 1;
 	treq->snt_isn		= cookie;
 	req->mss		= mss;
- 	ireq->rmt_port		= skb->h.th->source;
+	ireq->rmt_port		= skb->h.th->source;
 	ireq->loc_addr		= skb->nh.iph->daddr;
 	ireq->rmt_addr		= skb->nh.iph->saddr;
 	ireq->opt		= NULL;

net/ipv4/sysctl_net_ipv4.c

@@ -187,7 +187,7 @@ static int strategy_allowed_congestion_control(ctl_table *table, int __user *nam
 }
 
 ctl_table ipv4_table[] = {
-        {
+	{
 		.ctl_name	= NET_IPV4_TCP_TIMESTAMPS,
 		.procname	= "tcp_timestamps",
 		.data		= &sysctl_tcp_timestamps,
@@ -195,7 +195,7 @@ ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec
 	},
-        {
+	{
 		.ctl_name	= NET_IPV4_TCP_WINDOW_SCALING,
 		.procname	= "tcp_window_scaling",
 		.data		= &sysctl_tcp_window_scaling,
@@ -203,7 +203,7 @@ ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec
 	},
-        {
+	{
 		.ctl_name	= NET_IPV4_TCP_SACK,
 		.procname	= "tcp_sack",
 		.data		= &sysctl_tcp_sack,
@@ -211,7 +211,7 @@ ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec
 	},
-        {
+	{
 		.ctl_name	= NET_IPV4_TCP_RETRANS_COLLAPSE,
 		.procname	= "tcp_retrans_collapse",
 		.data		= &sysctl_tcp_retrans_collapse,
@@ -219,7 +219,7 @@ ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec
 	},
-        {
+	{
 		.ctl_name	= NET_IPV4_FORWARD,
 		.procname	= "ip_forward",
 		.data		= &ipv4_devconf.forwarding,
@@ -228,16 +228,16 @@ ctl_table ipv4_table[] = {
 		.proc_handler	= &ipv4_sysctl_forward,
 		.strategy	= &ipv4_sysctl_forward_strategy
 	},
-        {
+	{
 		.ctl_name	= NET_IPV4_DEFAULT_TTL,
 		.procname	= "ip_default_ttl",
- 		.data		= &sysctl_ip_default_ttl,
+		.data		= &sysctl_ip_default_ttl,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= &ipv4_doint_and_flush,
 		.strategy	= &ipv4_doint_and_flush_strategy,
 	},
-        {
+	{
 		.ctl_name	= NET_IPV4_NO_PMTU_DISC,
 		.procname	= "ip_no_pmtu_disc",
 		.data		= &ipv4_config.no_pmtu_disc,
@@ -728,7 +728,7 @@ ctl_table ipv4_table[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
 	},
-        {
+	{
 		.ctl_name	= NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
 		.procname	= "tcp_workaround_signed_windows",
 		.data		= &sysctl_tcp_workaround_signed_windows,

net/ipv4/tcp.c

@@ -1439,12 +1439,12 @@ skip_copy:
 		dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
 
 		while (dma_async_memcpy_complete(tp->ucopy.dma_chan,
-		                                 tp->ucopy.dma_cookie, &done,
+						 tp->ucopy.dma_cookie, &done,
-		                                 &used) == DMA_IN_PROGRESS) {
+						 &used) == DMA_IN_PROGRESS) {
 			/* do partial cleanup of sk_async_wait_queue */
 			while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
 			       (dma_async_is_complete(skb->dma_cookie, done,
-			                              used) == DMA_SUCCESS)) {
+						      used) == DMA_SUCCESS)) {
 				__skb_dequeue(&sk->sk_async_wait_queue);
 				kfree_skb(skb);
 			}

net/ipv4/tcp_cong.c

@@ -313,28 +313,28 @@ void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 rtt, u32 in_flight,
 		return;
 
 	/* In "safe" area, increase. */
-        if (tp->snd_cwnd <= tp->snd_ssthresh)
+	if (tp->snd_cwnd <= tp->snd_ssthresh)
 		tcp_slow_start(tp);
 
- 	/* In dangerous area, increase slowly. */
+	/* In dangerous area, increase slowly. */
 	else if (sysctl_tcp_abc) {
- 		/* RFC3465: Appropriate Byte Count
+		/* RFC3465: Appropriate Byte Count
- 		 * increase once for each full cwnd acked
+		 * increase once for each full cwnd acked
- 		 */
+		 */
- 		if (tp->bytes_acked >= tp->snd_cwnd*tp->mss_cache) {
+		if (tp->bytes_acked >= tp->snd_cwnd*tp->mss_cache) {
- 			tp->bytes_acked -= tp->snd_cwnd*tp->mss_cache;
+			tp->bytes_acked -= tp->snd_cwnd*tp->mss_cache;
- 			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
+			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
- 				tp->snd_cwnd++;
+				tp->snd_cwnd++;
- 		}
+		}
- 	} else {
+	} else {
- 		/* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd */
+		/* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd */
- 		if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
+		if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
- 			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
+			if (tp->snd_cwnd < tp->snd_cwnd_clamp)
- 				tp->snd_cwnd++;
+				tp->snd_cwnd++;
- 			tp->snd_cwnd_cnt = 0;
+			tp->snd_cwnd_cnt = 0;
- 		} else
+		} else
- 			tp->snd_cwnd_cnt++;
+			tp->snd_cwnd_cnt++;
- 	}
+	}
 }
 EXPORT_SYMBOL_GPL(tcp_reno_cong_avoid);
 

net/ipv4/tcp_cubic.c

@@ -175,42 +175,42 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
 		}
 	}
 
-        /* cubic function - calc*/
+	/* cubic function - calc*/
-        /* calculate c * time^3 / rtt,
+	/* calculate c * time^3 / rtt,
-         *  while considering overflow in calculation of time^3
+	 *  while considering overflow in calculation of time^3
 	 * (so time^3 is done by using 64 bit)
 	 * and without the support of division of 64bit numbers
 	 * (so all divisions are done by using 32 bit)
-         *  also NOTE the unit of those veriables
+	 *  also NOTE the unit of those veriables
-         *	  time  = (t - K) / 2^bictcp_HZ
+	 *	  time  = (t - K) / 2^bictcp_HZ
-         *	  c = bic_scale >> 10
+	 *	  c = bic_scale >> 10
 	 * rtt  = (srtt >> 3) / HZ
 	 * !!! The following code does not have overflow problems,
 	 * if the cwnd < 1 million packets !!!
-         */
+	 */
 
 	/* change the unit from HZ to bictcp_HZ */
-        t = ((tcp_time_stamp + (ca->delay_min>>3) - ca->epoch_start)
+	t = ((tcp_time_stamp + (ca->delay_min>>3) - ca->epoch_start)
 	     << BICTCP_HZ) / HZ;
 
-        if (t < ca->bic_K)		/* t - K */
+	if (t < ca->bic_K)		/* t - K */
 		offs = ca->bic_K - t;
-        else
+	else
-                offs = t - ca->bic_K;
+		offs = t - ca->bic_K;
 
 	/* c/rtt * (t-K)^3 */
 	delta = (cube_rtt_scale * offs * offs * offs) >> (10+3*BICTCP_HZ);
-        if (t < ca->bic_K)                                	/* below origin*/
+	if (t < ca->bic_K)                                	/* below origin*/
-                bic_target = ca->bic_origin_point - delta;
+		bic_target = ca->bic_origin_point - delta;
-        else                                                	/* above origin*/
+	else                                                	/* above origin*/
-                bic_target = ca->bic_origin_point + delta;
+		bic_target = ca->bic_origin_point + delta;
 
-        /* cubic function - calc bictcp_cnt*/
+	/* cubic function - calc bictcp_cnt*/
-        if (bic_target > cwnd) {
+	if (bic_target > cwnd) {
 		ca->cnt = cwnd / (bic_target - cwnd);
-        } else {
+	} else {
-                ca->cnt = 100 * cwnd;              /* very small increment*/
+		ca->cnt = 100 * cwnd;              /* very small increment*/
-        }
+	}
 
 	if (ca->delay_min > 0) {
 		/* max increment = Smax * rtt / 0.1  */
@@ -219,7 +219,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
 			ca->cnt = min_cnt;
 	}
 
-        /* slow start and low utilization  */
+	/* slow start and low utilization  */
 	if (ca->loss_cwnd == 0)		/* could be aggressive in slow start */
 		ca->cnt = 50;
 
@@ -227,9 +227,9 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
 	if (tcp_friendliness) {
 		u32 scale = beta_scale;
 		delta = (cwnd * scale) >> 3;
-	        while (ca->ack_cnt > delta) {		/* update tcp cwnd */
+		while (ca->ack_cnt > delta) {		/* update tcp cwnd */
-	                ca->ack_cnt -= delta;
+			ca->ack_cnt -= delta;
-        	        ca->tcp_cwnd++;
+			ca->tcp_cwnd++;
 		}
 
 		if (ca->tcp_cwnd > cwnd){	/* if bic is slower than tcp */
@@ -238,7 +238,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
 			if (ca->cnt > max_cnt)
 				ca->cnt = max_cnt;
 		}
-        }
+	}
 
 	ca->cnt = (ca->cnt << ACK_RATIO_SHIFT) / ca->delayed_ack;
 	if (ca->cnt == 0)			/* cannot be zero */

net/ipv4/tcp_highspeed.c

@@ -14,8 +14,8 @@
  * with fixed-point MD scaled <<8.
  */
 static const struct hstcp_aimd_val {
-        unsigned int cwnd;
+	unsigned int cwnd;
-        unsigned int md;
+	unsigned int md;
 } hstcp_aimd_vals[] = {
  {     38,  128, /*  0.50 */ },
  {    118,  112, /*  0.44 */ },

net/ipv4/tcp_htcp.c

@@ -224,7 +224,7 @@ static void htcp_cong_avoid(struct sock *sk, u32 ack, u32 rtt,
 	if (!tcp_is_cwnd_limited(sk, in_flight))
 		return;
 
-        if (tp->snd_cwnd <= tp->snd_ssthresh)
+	if (tp->snd_cwnd <= tp->snd_ssthresh)
 		tcp_slow_start(tp);
 	else {
 

net/ipv4/tcp_input.c

@@ -1249,8 +1249,8 @@ void tcp_enter_frto(struct sock *sk)
 	tp->frto_counter = 1;
 
 	if (icsk->icsk_ca_state <= TCP_CA_Disorder ||
-            tp->snd_una == tp->high_seq ||
+	    tp->snd_una == tp->high_seq ||
-            (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) {
+	    (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) {
 		tp->prior_ssthresh = tcp_current_ssthresh(sk);
 		tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk);
 		tcp_ca_event(sk, CA_EVENT_FRTO);
@@ -1969,11 +1969,11 @@ tcp_fastretrans_alert(struct sock *sk, u32 prior_snd_una,
 	 * 1. Reno does not count dupacks (sacked_out) automatically. */
 	if (!tp->packets_out)
 		tp->sacked_out = 0;
-        /* 2. SACK counts snd_fack in packets inaccurately. */
+	/* 2. SACK counts snd_fack in packets inaccurately. */
 	if (tp->sacked_out == 0)
 		tp->fackets_out = 0;
 
-        /* Now state machine starts.
+	/* Now state machine starts.
 	 * A. ECE, hence prohibit cwnd undoing, the reduction is required. */
 	if (flag&FLAG_ECE)
 		tp->prior_ssthresh = 0;
@@ -2627,7 +2627,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 	opt_rx->saw_tstamp = 0;
 
 	while(length>0) {
-	  	int opcode=*ptr++;
+		int opcode=*ptr++;
 		int opsize;
 
 		switch (opcode) {
@@ -2642,7 +2642,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 					return;
 				if (opsize > length)
 					return;	/* don't parse partial options */
-	  			switch(opcode) {
+				switch(opcode) {
 				case TCPOPT_MSS:
 					if(opsize==TCPOLEN_MSS && th->syn && !estab) {
 						u16 in_mss = ntohs(get_unaligned((__be16 *)ptr));
@@ -2701,10 +2701,10 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 					 */
 					break;
 #endif
-	  			};
+				};
-	  			ptr+=opsize-2;
+				ptr+=opsize-2;
-	  			length-=opsize;
+				length-=opsize;
-	  	};
+		};
 	}
 }
 
@@ -3617,7 +3617,7 @@ static void tcp_new_space(struct sock *sk)
 	struct tcp_sock *tp = tcp_sk(sk);
 
 	if (tcp_should_expand_sndbuf(sk, tp)) {
- 		int sndmem = max_t(u32, tp->rx_opt.mss_clamp, tp->mss_cache) +
+		int sndmem = max_t(u32, tp->rx_opt.mss_clamp, tp->mss_cache) +
 			MAX_TCP_HEADER + 16 + sizeof(struct sk_buff),
 		    demanded = max_t(unsigned int, tp->snd_cwnd,
 						   tp->reordering + 1);
@@ -3835,7 +3835,7 @@ static int tcp_dma_try_early_copy(struct sock *sk, struct sk_buff *skb, int hlen
 	int copied_early = 0;
 
 	if (tp->ucopy.wakeup)
-          	return 0;
+		return 0;
 
 	if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
 		tp->ucopy.dma_chan = get_softnet_dma();
@@ -4434,7 +4434,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
 			 * Now that TTCP is starting to be used we ought to
 			 * queue this data.
 			 * But, this leaves one open to an easy denial of
-		 	 * service attack, and SYN cookies can't defend
+			 * service attack, and SYN cookies can't defend
 			 * against this problem. So, we drop the data
 			 * in the interest of security over speed unless
 			 * it's still in use.

net/ipv4/tcp_ipv4.c

@@ -303,7 +303,7 @@ static void do_pmtu_discovery(struct sock *sk, struct iphdr *iph, u32 mtu)
 	/* We don't check in the destentry if pmtu discovery is forbidden
 	 * on this route. We just assume that no packet_to_big packets
 	 * are send back when pmtu discovery is not active.
-     	 * There is a small race when the user changes this flag in the
+	 * There is a small race when the user changes this flag in the
 	 * route, but I think that's acceptable.
 	 */
 	if ((dst = __sk_dst_check(sk, 0)) == NULL)
@@ -880,7 +880,7 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr,
 
 		if (md5sig->alloced4 == md5sig->entries4) {
 			keys = kmalloc((sizeof(*keys) *
-				        (md5sig->entries4 + 1)), GFP_ATOMIC);
+					(md5sig->entries4 + 1)), GFP_ATOMIC);
 			if (!keys) {
 				kfree(newkey);
 				tcp_free_md5sig_pool();
@@ -934,7 +934,7 @@ int tcp_v4_md5_do_del(struct sock *sk, __be32 addr)
 				memcpy(&tp->md5sig_info->keys4[i],
 				       &tp->md5sig_info->keys4[i+1],
 				       (tp->md5sig_info->entries4 - i) *
-				        sizeof(struct tcp4_md5sig_key));
+					sizeof(struct tcp4_md5sig_key));
 			}
 			tcp_free_md5sig_pool();
 			return 0;
@@ -1388,7 +1388,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 		goto drop_and_free;
 
 	if (want_cookie) {
-	   	reqsk_free(req);
+		reqsk_free(req);
 	} else {
 		inet_csk_reqsk_queue_hash_add(sk, req, TCP_TIMEOUT_INIT);
 	}
@@ -1704,7 +1704,7 @@ bad_packet:
 discard_it:
 	/* Discard frame. */
 	kfree_skb(skb);
-  	return 0;
+	return 0;
 
 discard_and_relse:
 	sock_put(sk);
@@ -1890,10 +1890,10 @@ int tcp_v4_destroy_sock(struct sock *sk)
 	tcp_cleanup_congestion_control(sk);
 
 	/* Cleanup up the write buffer. */
-  	sk_stream_writequeue_purge(sk);
+	sk_stream_writequeue_purge(sk);
 
 	/* Cleans up our, hopefully empty, out_of_order_queue. */
-  	__skb_queue_purge(&tp->out_of_order_queue);
+	__skb_queue_purge(&tp->out_of_order_queue);
 
 #ifdef CONFIG_TCP_MD5SIG
 	/* Clean up the MD5 key list, if any */
@@ -1906,7 +1906,7 @@ int tcp_v4_destroy_sock(struct sock *sk)
 
 #ifdef CONFIG_NET_DMA
 	/* Cleans up our sk_async_wait_queue */
-  	__skb_queue_purge(&sk->sk_async_wait_queue);
+	__skb_queue_purge(&sk->sk_async_wait_queue);
 #endif
 
 	/* Clean prequeue, it must be empty really */
@@ -1983,7 +1983,7 @@ get_req:
 		st->state = TCP_SEQ_STATE_LISTENING;
 		read_unlock_bh(&icsk->icsk_accept_queue.syn_wait_lock);
 	} else {
-	       	icsk = inet_csk(sk);
+		icsk = inet_csk(sk);
 		read_lock_bh(&icsk->icsk_accept_queue.syn_wait_lock);
 		if (reqsk_queue_len(&icsk->icsk_accept_queue))
 			goto start_req;
@@ -1996,7 +1996,7 @@ get_sk:
 			cur = sk;
 			goto out;
 		}
-	       	icsk = inet_csk(sk);
+		icsk = inet_csk(sk);
 		read_lock_bh(&icsk->icsk_accept_queue.syn_wait_lock);
 		if (reqsk_queue_len(&icsk->icsk_accept_queue)) {
 start_req:

net/ipv4/tcp_output.c

@@ -610,7 +610,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
 
 	BUG_ON(len > skb->len);
 
- 	clear_all_retrans_hints(tp);
+	clear_all_retrans_hints(tp);
 	nsize = skb_headlen(skb) - len;
 	if (nsize < 0)
 		nsize = 0;
@@ -821,7 +821,7 @@ void tcp_mtup_init(struct sock *sk)
 
 	icsk->icsk_mtup.enabled = sysctl_tcp_mtu_probing > 1;
 	icsk->icsk_mtup.search_high = tp->rx_opt.mss_clamp + sizeof(struct tcphdr) +
-	                       icsk->icsk_af_ops->net_header_len;
+			       icsk->icsk_af_ops->net_header_len;
 	icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, sysctl_tcp_base_mss);
 	icsk->icsk_mtup.probe_size = 0;
 }
@@ -1298,7 +1298,7 @@ static int tcp_mtu_probe(struct sock *sk)
 			skb_copy_bits(skb, 0, skb_put(nskb, copy), copy);
 		else
 			nskb->csum = skb_copy_and_csum_bits(skb, 0,
-			                 skb_put(nskb, copy), copy, nskb->csum);
+					 skb_put(nskb, copy), copy, nskb->csum);
 
 		if (skb->len <= copy) {
 			/* We've eaten all the data from this skb.
@@ -1308,7 +1308,7 @@ static int tcp_mtu_probe(struct sock *sk)
 			sk_stream_free_skb(sk, skb);
 		} else {
 			TCP_SKB_CB(nskb)->flags |= TCP_SKB_CB(skb)->flags &
-			                           ~(TCPCB_FLAG_FIN|TCPCB_FLAG_PSH);
+						   ~(TCPCB_FLAG_FIN|TCPCB_FLAG_PSH);
 			if (!skb_shinfo(skb)->nr_frags) {
 				skb_pull(skb, copy);
 				if (skb->ip_summed != CHECKSUM_PARTIAL)
@@ -1724,7 +1724,7 @@ void tcp_simple_retransmit(struct sock *sk)
 
 	tcp_sync_left_out(tp);
 
- 	/* Don't muck with the congestion window here.
+	/* Don't muck with the congestion window here.
 	 * Reason is that we do not increase amount of _data_
 	 * in network, but units changed and effective
 	 * cwnd/ssthresh really reduced now.
@@ -1747,7 +1747,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct inet_connection_sock *icsk = inet_csk(sk);
- 	unsigned int cur_mss = tcp_current_mss(sk, 0);
+	unsigned int cur_mss = tcp_current_mss(sk, 0);
 	int err;
 
 	/* Inconslusive MTU probe */

net/ipv4/tcp_timer.c

@@ -137,7 +137,7 @@ static int tcp_write_timeout(struct sock *sk)
 					tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
 				} else {
 					mss = min(sysctl_tcp_base_mss,
-					          tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2);
+						  tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2);
 					mss = max(mss, 68 - tp->tcp_header_len);
 					icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, mss);
 					tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);

net/ipv4/tcp_westwood.c

@@ -63,10 +63,10 @@ static void tcp_westwood_init(struct sock *sk)
 	struct westwood *w = inet_csk_ca(sk);
 
 	w->bk = 0;
-        w->bw_ns_est = 0;
+	w->bw_ns_est = 0;
-        w->bw_est = 0;
+	w->bw_est = 0;
-        w->accounted = 0;
+	w->accounted = 0;
-        w->cumul_ack = 0;
+	w->cumul_ack = 0;
 	w->reset_rtt_min = 1;
 	w->rtt_min = w->rtt = TCP_WESTWOOD_INIT_RTT;
 	w->rtt_win_sx = tcp_time_stamp;
@@ -121,7 +121,7 @@ static void westwood_update_window(struct sock *sk)
 	 * to fix mismatch between tp->snd_una and w->snd_una for the first
 	 * bandwidth sample
 	 */
-        if (w->first_ack) {
+	if (w->first_ack) {
 		w->snd_una = tcp_sk(sk)->snd_una;
 		w->first_ack = 0;
 	}
@@ -183,15 +183,15 @@ static inline u32 westwood_acked_count(struct sock *sk)
 
 	w->cumul_ack = tp->snd_una - w->snd_una;
 
-        /* If cumul_ack is 0 this is a dupack since it's not moving
+	/* If cumul_ack is 0 this is a dupack since it's not moving
-         * tp->snd_una.
+	 * tp->snd_una.
-         */
+	 */
-        if (!w->cumul_ack) {
+	if (!w->cumul_ack) {
 		w->accounted += tp->mss_cache;
 		w->cumul_ack = tp->mss_cache;
 	}
 
-        if (w->cumul_ack > tp->mss_cache) {
+	if (w->cumul_ack > tp->mss_cache) {
 		/* Partial or delayed ack */
 		if (w->accounted >= w->cumul_ack) {
 			w->accounted -= w->cumul_ack;
@@ -237,7 +237,7 @@ static void tcp_westwood_event(struct sock *sk, enum tcp_ca_event event)
 
 	case CA_EVENT_FRTO:
 		tp->snd_ssthresh = tcp_westwood_bw_rttmin(sk);
- 		/* Update RTT_min when next ack arrives */
+		/* Update RTT_min when next ack arrives */
 		w->reset_rtt_min = 1;
 		break;
 

net/ipv4/udp.c

@@ -306,10 +306,10 @@ static inline struct sock *udp_v4_mcast_next(struct sock *sk,
 		if (!ip_mc_sf_allow(s, loc_addr, rmt_addr, dif))
 			continue;
 		goto found;
-  	}
+	}
 	s = NULL;
 found:
-  	return s;
+	return s;
 }
 
 /*
@@ -338,7 +338,7 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct hlist_head udptable[])
 			       skb->dev->ifindex, udptable		    );
 	if (sk == NULL) {
 		ICMP_INC_STATS_BH(ICMP_MIB_INERRORS);
-    	  	return;	/* No socket for error */
+		return;	/* No socket for error */
 	}
 
 	err = 0;
@@ -536,7 +536,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	if (up->pending) {
 		/*
 		 * There are pending frames.
-	 	 * The socket lock must be held while it's corked.
+		 * The socket lock must be held while it's corked.
 		 */
 		lock_sock(sk);
 		if (likely(up->pending)) {
@@ -544,7 +544,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 				release_sock(sk);
 				return -EINVAL;
 			}
- 			goto do_append_data;
+			goto do_append_data;
 		}
 		release_sock(sk);
 	}
@@ -575,7 +575,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		   Route will not be used, if at least one option is set.
 		 */
 		connected = 1;
-  	}
+	}
 	ipc.addr = inet->saddr;
 
 	ipc.oif = sk->sk_bound_dev_if;
@@ -804,11 +804,11 @@ int udp_ioctl(struct sock *sk, int cmd, unsigned long arg)
  */
 
 int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
-	        size_t len, int noblock, int flags, int *addr_len)
+		size_t len, int noblock, int flags, int *addr_len)
 {
 	struct inet_sock *inet = inet_sk(sk);
-  	struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
+	struct sockaddr_in *sin = (struct sockaddr_in *)msg->msg_name;
-  	struct sk_buff *skb;
+	struct sk_buff *skb;
 	int copied, err, copy_only, is_udplite = IS_UDPLITE(sk);
 
 	/*
@@ -825,7 +825,7 @@ try_again:
 	if (!skb)
 		goto out;
 
-  	copied = skb->len - sizeof(struct udphdr);
+	copied = skb->len - sizeof(struct udphdr);
 	if (copied > len) {
 		copied = len;
 		msg->msg_flags |= MSG_TRUNC;
@@ -868,7 +868,7 @@ try_again:
 		sin->sin_port = skb->h.uh->source;
 		sin->sin_addr.s_addr = skb->nh.iph->saddr;
 		memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-  	}
+	}
 	if (inet->cmsg_flags)
 		ip_cmsg_recv(msg, skb);
 
@@ -877,9 +877,9 @@ try_again:
 		err = skb->len - sizeof(struct udphdr);
 
 out_free:
-  	skb_free_datagram(sk, skb);
+	skb_free_datagram(sk, skb);
 out:
-  	return err;
+	return err;
 
 csum_copy_err:
 	UDP_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
@@ -925,7 +925,7 @@ static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
 	return 1;
 #else
 	struct udp_sock *up = udp_sk(sk);
-  	struct udphdr *uh;
+	struct udphdr *uh;
 	struct iphdr *iph;
 	int iphlen, len;
 
@@ -1193,8 +1193,8 @@ static inline void udp4_csum_init(struct sk_buff *skb, struct udphdr *uh)
 int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
 		   int is_udplite)
 {
-  	struct sock *sk;
+	struct sock *sk;
-  	struct udphdr *uh = skb->h.uh;
+	struct udphdr *uh = skb->h.uh;
 	unsigned short ulen;
 	struct rtable *rt = (struct rtable*)skb->dst;
 	__be32 saddr = skb->nh.iph->saddr;
@@ -1356,8 +1356,8 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
 		up->pcflag |= UDPLITE_SEND_CC;
 		break;
 
-        /* The receiver specifies a minimum checksum coverage value. To make
+	/* The receiver specifies a minimum checksum coverage value. To make
-         * sense, this should be set to at least 8 (as done below). If zero is
+	 * sense, this should be set to at least 8 (as done below). If zero is
 	 * used, this again means full checksum coverage.                     */
 	case UDPLITE_RECV_CSCOV:
 		if (!up->pcflag)         /* Disable the option on UDP sockets */
@@ -1433,11 +1433,11 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname,
 		return -ENOPROTOOPT;
 	};
 
-  	if(put_user(len, optlen))
+	if(put_user(len, optlen))
-  		return -EFAULT;
+		return -EFAULT;
 	if(copy_to_user(optval, &val,len))
 		return -EFAULT;
-  	return 0;
+	return 0;
 }
 
 int udp_getsockopt(struct sock *sk, int level, int optname,
@@ -1506,7 +1506,7 @@ unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait)
 }
 
 struct proto udp_prot = {
- 	.name		   = "UDP",
+	.name		   = "UDP",
 	.owner		   = THIS_MODULE,
 	.close		   = udp_lib_close,
 	.connect	   = ip4_datagram_connect,

net/ipv4/udp_impl.h

@@ -10,7 +10,7 @@ extern void 	__udp4_lib_err(struct sk_buff *, u32, struct hlist_head []);
 
 extern int	__udp_lib_get_port(struct sock *sk, unsigned short snum,
 				   struct hlist_head udptable[], int *port_rover,
-		       	       	   int (*)(const struct sock*,const struct sock*));
+				   int (*)(const struct sock*,const struct sock*));
 extern int	ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
 
 

net/ipv4/xfrm4_input.c

@@ -42,7 +42,7 @@ static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb)
 
 	if (skb->dst == NULL) {
 		if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
-		                   skb->dev))
+				   skb->dev))
 			goto drop;
 	}
 	return dst_input(skb);
@@ -149,7 +149,7 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
 		ip_send_check(skb->nh.iph);
 
 		NF_HOOK(PF_INET, NF_IP_PRE_ROUTING, skb, skb->dev, NULL,
-		        xfrm4_rcv_encap_finish);
+			xfrm4_rcv_encap_finish);
 		return 0;
 #else
 		return -skb->nh.iph->protocol;

net/ipv4/xfrm4_policy.c

@@ -50,8 +50,8 @@ __xfrm4_find_bundle(struct flowi *fl, struct xfrm_policy *policy)
 		struct xfrm_dst *xdst = (struct xfrm_dst*)dst;
 		if (xdst->u.rt.fl.oif == fl->oif &&	/*XXX*/
 		    xdst->u.rt.fl.fl4_dst == fl->fl4_dst &&
-	    	    xdst->u.rt.fl.fl4_src == fl->fl4_src &&
+		    xdst->u.rt.fl.fl4_src == fl->fl4_src &&
-	    	    xdst->u.rt.fl.fl4_tos == fl->fl4_tos &&
+		    xdst->u.rt.fl.fl4_tos == fl->fl4_tos &&
 		    xfrm_bundle_ok(policy, xdst, fl, AF_INET, 0)) {
 			dst_clone(dst);
 			break;