net-next: remove useless union keyword

remove useless union keyword in rtable, rt6_info and dn_route.

Since there is only one member in a union, the union keyword isn't useful.
Signed-off-by: NChangli Gao <xiaosuo@gmail.com>
Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/infiniband/core/addr.c

@@ -215,7 +215,7 @@ static int addr4_resolve(struct sockaddr_in *src_in,
 
 	neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->idev->dev);
 	if (!neigh || !(neigh->nud_state & NUD_VALID)) {
-		neigh_event_send(rt->u.dst.neighbour, NULL);
+		neigh_event_send(rt->dst.neighbour, NULL);
 		ret = -ENODATA;
 		if (neigh)
 			goto release;

drivers/infiniband/hw/cxgb3/iwch_cm.c

@@ -1364,7 +1364,7 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
 		       __func__);
 		goto reject;
 	}
-	dst = &rt->u.dst;
+	dst = &rt->dst;
 	l2t = t3_l2t_get(tdev, dst->neighbour, dst->neighbour->dev);
 	if (!l2t) {
 		printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
@@ -1932,7 +1932,7 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 		err = -EHOSTUNREACH;
 		goto fail3;
 	}
-	ep->dst = &rt->u.dst;
+	ep->dst = &rt->dst;
 
 	/* get a l2t entry */
 	ep->l2t = t3_l2t_get(ep->com.tdev, ep->dst->neighbour,

drivers/infiniband/hw/cxgb4/cm.c

@@ -1364,7 +1364,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
 		       __func__);
 		goto reject;
 	}
-	dst = &rt->u.dst;
+	dst = &rt->dst;
 	if (dst->neighbour->dev->flags & IFF_LOOPBACK) {
 		pdev = ip_dev_find(&init_net, peer_ip);
 		BUG_ON(!pdev);
@@ -1938,7 +1938,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
 		err = -EHOSTUNREACH;
 		goto fail3;
 	}
-	ep->dst = &rt->u.dst;
+	ep->dst = &rt->dst;
 
 	/* get a l2t entry */
 	if (ep->dst->neighbour->dev->flags & IFF_LOOPBACK) {

drivers/infiniband/hw/nes/nes_cm.c

@@ -1146,7 +1146,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
 	}
 
 	if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID)))
-		neigh_event_send(rt->u.dst.neighbour, NULL);
+		neigh_event_send(rt->dst.neighbour, NULL);
 
 	ip_rt_put(rt);
 	return rc;

drivers/net/bonding/bond_main.c

@@ -2584,7 +2584,7 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 		/*
 		 * This target is not on a VLAN
 		 */
-		if (rt->u.dst.dev == bond->dev) {
+		if (rt->dst.dev == bond->dev) {
 			ip_rt_put(rt);
 			pr_debug("basa: rtdev == bond->dev: arp_send\n");
 			bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
@@ -2595,7 +2595,7 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 		vlan_id = 0;
 		list_for_each_entry(vlan, &bond->vlan_list, vlan_list) {
 			vlan_dev = vlan_group_get_device(bond->vlgrp, vlan->vlan_id);
-			if (vlan_dev == rt->u.dst.dev) {
+			if (vlan_dev == rt->dst.dev) {
 				vlan_id = vlan->vlan_id;
 				pr_debug("basa: vlan match on %s %d\n",
 				       vlan_dev->name, vlan_id);
@@ -2613,7 +2613,7 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 		if (net_ratelimit()) {
 			pr_warning("%s: no path to arp_ip_target %pI4 via rt.dev %s\n",
 				   bond->dev->name, &fl.fl4_dst,
-				   rt->u.dst.dev ? rt->u.dst.dev->name : "NULL");
+				   rt->dst.dev ? rt->dst.dev->name : "NULL");
 		}
 		ip_rt_put(rt);
 	}

drivers/net/cnic.c

@@ -2824,7 +2824,7 @@ static int cnic_get_v4_route(struct sockaddr_in *dst_addr,
 
 	err = ip_route_output_key(&init_net, &rt, &fl);
 	if (!err)
-		*dst = &rt->u.dst;
+		*dst = &rt->dst;
 	return err;
 #else
 	return -ENETUNREACH;

drivers/scsi/cxgb3i/cxgb3i_offload.c

@@ -1587,7 +1587,7 @@ cxgb3i_find_dev(struct net_device *dev, __be32 ipaddr)
 
 	err = ip_route_output_key(dev ? dev_net(dev) : &init_net, &rt, &fl);
 	if (!err)
-		return (&rt->u.dst)->dev;
+		return (&rt->dst)->dev;
 
 	return NULL;
 }
@@ -1649,7 +1649,7 @@ int cxgb3i_c3cn_connect(struct net_device *dev, struct s3_conn *c3cn,
 		c3cn->saddr.sin_addr.s_addr = rt->rt_src;
 
 	/* now commit destination to connection */
-	c3cn->dst_cache = &rt->u.dst;
+	c3cn->dst_cache = &rt->dst;
 
 	/* try to establish an offloaded connection */
 	dev = cxgb3_egress_dev(c3cn->dst_cache->dev, c3cn, 0);

include/net/dn_route.h

@@ -65,9 +65,7 @@ extern void dn_rt_cache_flush(int delay);
  * packets to the originating host.
  */
 struct dn_route {
-	union {
-		struct dst_entry dst;
-	} u;
+	struct dst_entry dst;
 
 	struct flowi fl;
 

include/net/ip6_fib.h

@@ -84,13 +84,11 @@ struct rt6key {
 struct fib6_table;
 
 struct rt6_info {
-	union {
-		struct dst_entry	dst;
-	} u;
+	struct dst_entry		dst;
 
-#define rt6i_dev			u.dst.dev
-#define rt6i_nexthop			u.dst.neighbour
-#define rt6i_expires			u.dst.expires
+#define rt6i_dev			dst.dev
+#define rt6i_nexthop			dst.neighbour
+#define rt6i_expires			dst.expires
 
 	/*
 	 * Tail elements of dst_entry (__refcnt etc.)

include/net/ipip.h

@@ -50,7 +50,7 @@ struct ip_tunnel_prl_entry {
 	int pkt_len = skb->len - skb_transport_offset(skb);		\
 									\
 	skb->ip_summed = CHECKSUM_NONE;					\
-	ip_select_ident(iph, &rt->u.dst, NULL);				\
+	ip_select_ident(iph, &rt->dst, NULL);				\
 									\
 	err = ip_local_out(skb);					\
 	if (likely(net_xmit_eval(err) == 0)) {				\

include/net/route.h

@@ -50,9 +50,7 @@
 struct fib_nh;
 struct inet_peer;
 struct rtable {
-	union {
-		struct dst_entry	dst;
-	} u;
+	struct dst_entry	dst;
 
 	/* Cache lookup keys */
 	struct flowi		fl;
@@ -144,7 +142,7 @@ extern void fib_add_ifaddr(struct in_ifaddr *);
 static inline void ip_rt_put(struct rtable * rt)
 {
 	if (rt)
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 }
 
 #define IPTOS_RT_MASK	(IPTOS_TOS_MASK & ~3)

net/atm/clip.c

@@ -522,7 +522,7 @@ static int clip_setentry(struct atm_vcc *vcc, __be32 ip)
 	error = ip_route_output_key(&init_net, &rt, &fl);
 	if (error)
 		return error;
-	neigh = __neigh_lookup(&clip_tbl, &ip, rt->u.dst.dev, 1);
+	neigh = __neigh_lookup(&clip_tbl, &ip, rt->dst.dev, 1);
 	ip_rt_put(rt);
 	if (!neigh)
 		return -ENOMEM;

net/bridge/br_device.c

@@ -127,7 +127,7 @@ static int br_change_mtu(struct net_device *dev, int new_mtu)
 
 #ifdef CONFIG_BRIDGE_NETFILTER
 	/* remember the MTU in the rtable for PMTU */
-	br->fake_rtable.u.dst.metrics[RTAX_MTU - 1] = new_mtu;
+	br->fake_rtable.dst.metrics[RTAX_MTU - 1] = new_mtu;
 #endif
 
 	return 0;

net/bridge/br_netfilter.c

@@ -117,12 +117,12 @@ void br_netfilter_rtable_init(struct net_bridge *br)
 {
 	struct rtable *rt = &br->fake_rtable;
 
-	atomic_set(&rt->u.dst.__refcnt, 1);
-	rt->u.dst.dev = br->dev;
-	rt->u.dst.path = &rt->u.dst;
-	rt->u.dst.metrics[RTAX_MTU - 1] = 1500;
-	rt->u.dst.flags	= DST_NOXFRM;
-	rt->u.dst.ops = &fake_dst_ops;
+	atomic_set(&rt->dst.__refcnt, 1);
+	rt->dst.dev = br->dev;
+	rt->dst.path = &rt->dst;
+	rt->dst.metrics[RTAX_MTU - 1] = 1500;
+	rt->dst.flags	= DST_NOXFRM;
+	rt->dst.ops = &fake_dst_ops;
 }
 
 static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
@@ -244,8 +244,8 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
 		kfree_skb(skb);
 		return 0;
 	}
-	dst_hold(&rt->u.dst);
-	skb_dst_set(skb, &rt->u.dst);
+	dst_hold(&rt->dst);
+	skb_dst_set(skb, &rt->dst);
 
 	skb->dev = nf_bridge->physindev;
 	nf_bridge_update_protocol(skb);
@@ -396,8 +396,8 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
 			kfree_skb(skb);
 			return 0;
 		}
-		dst_hold(&rt->u.dst);
-		skb_dst_set(skb, &rt->u.dst);
+		dst_hold(&rt->dst);
+		skb_dst_set(skb, &rt->dst);
 	}
 
 	skb->dev = nf_bridge->physindev;

net/dccp/ipv4.c

@@ -105,7 +105,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		goto failure;
 
 	/* OK, now commit destination to socket.  */
-	sk_setup_caps(sk, &rt->u.dst);
+	sk_setup_caps(sk, &rt->dst);
 
 	dp->dccps_iss = secure_dccp_sequence_number(inet->inet_saddr,
 						    inet->inet_daddr,
@@ -475,7 +475,7 @@ static struct dst_entry* dccp_v4_route_skb(struct net *net, struct sock *sk,
 		return NULL;
 	}
 
-	return &rt->u.dst;
+	return &rt->dst;
 }
 
 static int dccp_v4_send_response(struct sock *sk, struct request_sock *req,

net/decnet/dn_route.c

@@ -146,13 +146,13 @@ static __inline__ unsigned dn_hash(__le16 src, __le16 dst)
 
 static inline void dnrt_free(struct dn_route *rt)
 {
-	call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
+	call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free);
 }
 
 static inline void dnrt_drop(struct dn_route *rt)
 {
-	dst_release(&rt->u.dst);
-	call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
+	dst_release(&rt->dst);
+	call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free);
 }
 
 static void dn_dst_check_expire(unsigned long dummy)
@@ -167,13 +167,13 @@ static void dn_dst_check_expire(unsigned long dummy)
 
 		spin_lock(&dn_rt_hash_table[i].lock);
 		while((rt=*rtp) != NULL) {
-			if (atomic_read(&rt->u.dst.__refcnt) ||
-					(now - rt->u.dst.lastuse) < expire) {
-				rtp = &rt->u.dst.dn_next;
+			if (atomic_read(&rt->dst.__refcnt) ||
+					(now - rt->dst.lastuse) < expire) {
+				rtp = &rt->dst.dn_next;
 				continue;
 			}
-			*rtp = rt->u.dst.dn_next;
-			rt->u.dst.dn_next = NULL;
+			*rtp = rt->dst.dn_next;
+			rt->dst.dn_next = NULL;
 			dnrt_free(rt);
 		}
 		spin_unlock(&dn_rt_hash_table[i].lock);
@@ -198,13 +198,13 @@ static int dn_dst_gc(struct dst_ops *ops)
 		rtp = &dn_rt_hash_table[i].chain;
 
 		while((rt=*rtp) != NULL) {
-			if (atomic_read(&rt->u.dst.__refcnt) ||
-					(now - rt->u.dst.lastuse) < expire) {
-				rtp = &rt->u.dst.dn_next;
+			if (atomic_read(&rt->dst.__refcnt) ||
+					(now - rt->dst.lastuse) < expire) {
+				rtp = &rt->dst.dn_next;
 				continue;
 			}
-			*rtp = rt->u.dst.dn_next;
-			rt->u.dst.dn_next = NULL;
+			*rtp = rt->dst.dn_next;
+			rt->dst.dn_next = NULL;
 			dnrt_drop(rt);
 			break;
 		}
@@ -287,25 +287,25 @@ static int dn_insert_route(struct dn_route *rt, unsigned hash, struct dn_route *
 	while((rth = *rthp) != NULL) {
 		if (compare_keys(&rth->fl, &rt->fl)) {
 			/* Put it first */
-			*rthp = rth->u.dst.dn_next;
-			rcu_assign_pointer(rth->u.dst.dn_next,
+			*rthp = rth->dst.dn_next;
+			rcu_assign_pointer(rth->dst.dn_next,
 					   dn_rt_hash_table[hash].chain);
 			rcu_assign_pointer(dn_rt_hash_table[hash].chain, rth);
 
-			dst_use(&rth->u.dst, now);
+			dst_use(&rth->dst, now);
 			spin_unlock_bh(&dn_rt_hash_table[hash].lock);
 
 			dnrt_drop(rt);
 			*rp = rth;
 			return 0;
 		}
-		rthp = &rth->u.dst.dn_next;
+		rthp = &rth->dst.dn_next;
 	}
 
-	rcu_assign_pointer(rt->u.dst.dn_next, dn_rt_hash_table[hash].chain);
+	rcu_assign_pointer(rt->dst.dn_next, dn_rt_hash_table[hash].chain);
 	rcu_assign_pointer(dn_rt_hash_table[hash].chain, rt);
 
-	dst_use(&rt->u.dst, now);
+	dst_use(&rt->dst, now);
 	spin_unlock_bh(&dn_rt_hash_table[hash].lock);
 	*rp = rt;
 	return 0;
@@ -323,8 +323,8 @@ static void dn_run_flush(unsigned long dummy)
 			goto nothing_to_declare;
 
 		for(; rt; rt=next) {
-			next = rt->u.dst.dn_next;
-			rt->u.dst.dn_next = NULL;
+			next = rt->dst.dn_next;
+			rt->dst.dn_next = NULL;
 			dst_free((struct dst_entry *)rt);
 		}
 
@@ -743,7 +743,7 @@ static int dn_forward(struct sk_buff *skb)
 	/* Ensure that we have enough space for headers */
 	rt = (struct dn_route *)skb_dst(skb);
 	header_len = dn_db->use_long ? 21 : 6;
-	if (skb_cow(skb, LL_RESERVED_SPACE(rt->u.dst.dev)+header_len))
+	if (skb_cow(skb, LL_RESERVED_SPACE(rt->dst.dev)+header_len))
 		goto drop;
 
 	/*
@@ -752,7 +752,7 @@ static int dn_forward(struct sk_buff *skb)
 	if (++cb->hops > 30)
 		goto drop;
 
-	skb->dev = rt->u.dst.dev;
+	skb->dev = rt->dst.dev;
 
 	/*
 	 * If packet goes out same interface it came in on, then set
@@ -792,7 +792,7 @@ static int dn_rt_bug(struct sk_buff *skb)
 static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
 {
 	struct dn_fib_info *fi = res->fi;
-	struct net_device *dev = rt->u.dst.dev;
+	struct net_device *dev = rt->dst.dev;
 	struct neighbour *n;
 	unsigned mss;
 
@@ -800,25 +800,25 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
 		if (DN_FIB_RES_GW(*res) &&
 		    DN_FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
 			rt->rt_gateway = DN_FIB_RES_GW(*res);
-		memcpy(rt->u.dst.metrics, fi->fib_metrics,
-		       sizeof(rt->u.dst.metrics));
+		memcpy(rt->dst.metrics, fi->fib_metrics,
+		       sizeof(rt->dst.metrics));
 	}
 	rt->rt_type = res->type;
 
-	if (dev != NULL && rt->u.dst.neighbour == NULL) {
+	if (dev != NULL && rt->dst.neighbour == NULL) {
 		n = __neigh_lookup_errno(&dn_neigh_table, &rt->rt_gateway, dev);
 		if (IS_ERR(n))
 			return PTR_ERR(n);
-		rt->u.dst.neighbour = n;
+		rt->dst.neighbour = n;
 	}
 
-	if (dst_metric(&rt->u.dst, RTAX_MTU) == 0 ||
-	    dst_metric(&rt->u.dst, RTAX_MTU) > rt->u.dst.dev->mtu)
-		rt->u.dst.metrics[RTAX_MTU-1] = rt->u.dst.dev->mtu;
-	mss = dn_mss_from_pmtu(dev, dst_mtu(&rt->u.dst));
-	if (dst_metric(&rt->u.dst, RTAX_ADVMSS) == 0 ||
-	    dst_metric(&rt->u.dst, RTAX_ADVMSS) > mss)
-		rt->u.dst.metrics[RTAX_ADVMSS-1] = mss;
+	if (dst_metric(&rt->dst, RTAX_MTU) == 0 ||
+	    dst_metric(&rt->dst, RTAX_MTU) > rt->dst.dev->mtu)
+		rt->dst.metrics[RTAX_MTU-1] = rt->dst.dev->mtu;
+	mss = dn_mss_from_pmtu(dev, dst_mtu(&rt->dst));
+	if (dst_metric(&rt->dst, RTAX_ADVMSS) == 0 ||
+	    dst_metric(&rt->dst, RTAX_ADVMSS) > mss)
+		rt->dst.metrics[RTAX_ADVMSS-1] = mss;
 	return 0;
 }
 
@@ -1096,8 +1096,8 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 	if (rt == NULL)
 		goto e_nobufs;
 
-	atomic_set(&rt->u.dst.__refcnt, 1);
-	rt->u.dst.flags   = DST_HOST;
+	atomic_set(&rt->dst.__refcnt, 1);
+	rt->dst.flags   = DST_HOST;
 
 	rt->fl.fld_src    = oldflp->fld_src;
 	rt->fl.fld_dst    = oldflp->fld_dst;
@@ -1113,17 +1113,17 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 	rt->rt_dst_map    = fl.fld_dst;
 	rt->rt_src_map    = fl.fld_src;
 
-	rt->u.dst.dev = dev_out;
+	rt->dst.dev = dev_out;
 	dev_hold(dev_out);
-	rt->u.dst.neighbour = neigh;
+	rt->dst.neighbour = neigh;
 	neigh = NULL;
 
-	rt->u.dst.lastuse = jiffies;
-	rt->u.dst.output  = dn_output;
-	rt->u.dst.input   = dn_rt_bug;
+	rt->dst.lastuse = jiffies;
+	rt->dst.output  = dn_output;
+	rt->dst.input   = dn_rt_bug;
 	rt->rt_flags      = flags;
 	if (flags & RTCF_LOCAL)
-		rt->u.dst.input = dn_nsp_rx;
+		rt->dst.input = dn_nsp_rx;
 
 	err = dn_rt_set_next_hop(rt, &res);
 	if (err)
@@ -1152,7 +1152,7 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 	err = -ENOBUFS;
 	goto done;
 e_neighbour:
-	dst_free(&rt->u.dst);
+	dst_free(&rt->dst);
 	goto e_nobufs;
 }
 
@@ -1168,15 +1168,15 @@ static int __dn_route_output_key(struct dst_entry **pprt, const struct flowi *fl
 	if (!(flags & MSG_TRYHARD)) {
 		rcu_read_lock_bh();
 		for (rt = rcu_dereference_bh(dn_rt_hash_table[hash].chain); rt;
-			rt = rcu_dereference_bh(rt->u.dst.dn_next)) {
+			rt = rcu_dereference_bh(rt->dst.dn_next)) {
 			if ((flp->fld_dst == rt->fl.fld_dst) &&
 			    (flp->fld_src == rt->fl.fld_src) &&
 			    (flp->mark == rt->fl.mark) &&
 			    (rt->fl.iif == 0) &&
 			    (rt->fl.oif == flp->oif)) {
-				dst_use(&rt->u.dst, jiffies);
+				dst_use(&rt->dst, jiffies);
 				rcu_read_unlock_bh();
-				*pprt = &rt->u.dst;
+				*pprt = &rt->dst;
 				return 0;
 			}
 		}
@@ -1375,29 +1375,29 @@ static int dn_route_input_slow(struct sk_buff *skb)
 	rt->fl.iif        = in_dev->ifindex;
 	rt->fl.mark       = fl.mark;
 
-	rt->u.dst.flags = DST_HOST;
-	rt->u.dst.neighbour = neigh;
-	rt->u.dst.dev = out_dev;
-	rt->u.dst.lastuse = jiffies;
-	rt->u.dst.output = dn_rt_bug;
+	rt->dst.flags = DST_HOST;
+	rt->dst.neighbour = neigh;
+	rt->dst.dev = out_dev;
+	rt->dst.lastuse = jiffies;
+	rt->dst.output = dn_rt_bug;
 	switch(res.type) {
 		case RTN_UNICAST:
-			rt->u.dst.input = dn_forward;
+			rt->dst.input = dn_forward;
 			break;
 		case RTN_LOCAL:
-			rt->u.dst.output = dn_output;
-			rt->u.dst.input = dn_nsp_rx;
-			rt->u.dst.dev = in_dev;
+			rt->dst.output = dn_output;
+			rt->dst.input = dn_nsp_rx;
+			rt->dst.dev = in_dev;
 			flags |= RTCF_LOCAL;
 			break;
 		default:
 		case RTN_UNREACHABLE:
 		case RTN_BLACKHOLE:
-			rt->u.dst.input = dst_discard;
+			rt->dst.input = dst_discard;
 	}
 	rt->rt_flags = flags;
-	if (rt->u.dst.dev)
-		dev_hold(rt->u.dst.dev);
+	if (rt->dst.dev)
+		dev_hold(rt->dst.dev);
 
 	err = dn_rt_set_next_hop(rt, &res);
 	if (err)
@@ -1405,7 +1405,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
 
 	hash = dn_hash(rt->fl.fld_src, rt->fl.fld_dst);
 	dn_insert_route(rt, hash, &rt);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 done:
 	if (neigh)
@@ -1427,7 +1427,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
 	goto done;
 
 e_neighbour:
-	dst_free(&rt->u.dst);
+	dst_free(&rt->dst);
 	goto done;
 }
 
@@ -1442,13 +1442,13 @@ static int dn_route_input(struct sk_buff *skb)
 
 	rcu_read_lock();
 	for(rt = rcu_dereference(dn_rt_hash_table[hash].chain); rt != NULL;
-	    rt = rcu_dereference(rt->u.dst.dn_next)) {
+	    rt = rcu_dereference(rt->dst.dn_next)) {
 		if ((rt->fl.fld_src == cb->src) &&
 		    (rt->fl.fld_dst == cb->dst) &&
 		    (rt->fl.oif == 0) &&
 		    (rt->fl.mark == skb->mark) &&
 		    (rt->fl.iif == cb->iif)) {
-			dst_use(&rt->u.dst, jiffies);
+			dst_use(&rt->dst, jiffies);
 			rcu_read_unlock();
 			skb_dst_set(skb, (struct dst_entry *)rt);
 			return 0;
@@ -1487,8 +1487,8 @@ static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
 		r->rtm_src_len = 16;
 		RTA_PUT(skb, RTA_SRC, 2, &rt->fl.fld_src);
 	}
-	if (rt->u.dst.dev)
-		RTA_PUT(skb, RTA_OIF, sizeof(int), &rt->u.dst.dev->ifindex);
+	if (rt->dst.dev)
+		RTA_PUT(skb, RTA_OIF, sizeof(int), &rt->dst.dev->ifindex);
 	/*
 	 * Note to self - change this if input routes reverse direction when
 	 * they deal only with inputs and not with replies like they do
@@ -1497,11 +1497,11 @@ static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
 	RTA_PUT(skb, RTA_PREFSRC, 2, &rt->rt_local_src);
 	if (rt->rt_daddr != rt->rt_gateway)
 		RTA_PUT(skb, RTA_GATEWAY, 2, &rt->rt_gateway);
-	if (rtnetlink_put_metrics(skb, rt->u.dst.metrics) < 0)
+	if (rtnetlink_put_metrics(skb, rt->dst.metrics) < 0)
 		goto rtattr_failure;
-	expires = rt->u.dst.expires ? rt->u.dst.expires - jiffies : 0;
-	if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0, expires,
-			       rt->u.dst.error) < 0)
+	expires = rt->dst.expires ? rt->dst.expires - jiffies : 0;
+	if (rtnl_put_cacheinfo(skb, &rt->dst, 0, 0, 0, expires,
+			       rt->dst.error) < 0)
 		goto rtattr_failure;
 	if (rt->fl.iif)
 		RTA_PUT(skb, RTA_IIF, sizeof(int), &rt->fl.iif);
@@ -1568,8 +1568,8 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
 		local_bh_enable();
 		memset(cb, 0, sizeof(struct dn_skb_cb));
 		rt = (struct dn_route *)skb_dst(skb);
-		if (!err && -rt->u.dst.error)
-			err = rt->u.dst.error;
+		if (!err && -rt->dst.error)
+			err = rt->dst.error;
 	} else {
 		int oif = 0;
 		if (rta[RTA_OIF - 1])
@@ -1583,7 +1583,7 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
 	skb->dev = NULL;
 	if (err)
 		goto out_free;
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	if (rtm->rtm_flags & RTM_F_NOTIFY)
 		rt->rt_flags |= RTCF_NOTIFY;
 
@@ -1632,10 +1632,10 @@ int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
 		rcu_read_lock_bh();
 		for(rt = rcu_dereference_bh(dn_rt_hash_table[h].chain), idx = 0;
 			rt;
-			rt = rcu_dereference_bh(rt->u.dst.dn_next), idx++) {
+			rt = rcu_dereference_bh(rt->dst.dn_next), idx++) {
 			if (idx < s_idx)
 				continue;
-			skb_dst_set(skb, dst_clone(&rt->u.dst));
+			skb_dst_set(skb, dst_clone(&rt->dst));
 			if (dn_rt_fill_info(skb, NETLINK_CB(cb->skb).pid,
 					cb->nlh->nlmsg_seq, RTM_NEWROUTE,
 					1, NLM_F_MULTI) <= 0) {
@@ -1678,7 +1678,7 @@ static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct dn_rou
 {
 	struct dn_rt_cache_iter_state *s = seq->private;
 
-	rt = rt->u.dst.dn_next;
+	rt = rt->dst.dn_next;
 	while(!rt) {
 		rcu_read_unlock_bh();
 		if (--s->bucket < 0)
@@ -1719,12 +1719,12 @@ static int dn_rt_cache_seq_show(struct seq_file *seq, void *v)
 	char buf1[DN_ASCBUF_LEN], buf2[DN_ASCBUF_LEN];
 
 	seq_printf(seq, "%-8s %-7s %-7s %04d %04d %04d\n",
-			rt->u.dst.dev ? rt->u.dst.dev->name : "*",
+			rt->dst.dev ? rt->dst.dev->name : "*",
 			dn_addr2asc(le16_to_cpu(rt->rt_daddr), buf1),
 			dn_addr2asc(le16_to_cpu(rt->rt_saddr), buf2),
-			atomic_read(&rt->u.dst.__refcnt),
-			rt->u.dst.__use,
-			(int) dst_metric(&rt->u.dst, RTAX_RTT));
+			atomic_read(&rt->dst.__refcnt),
+			rt->dst.__use,
+			(int) dst_metric(&rt->dst, RTAX_RTT));
 	return 0;
 }
 

net/ethernet/eth.c

@@ -158,7 +158,6 @@ EXPORT_SYMBOL(eth_rebuild_header);
 __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ethhdr *eth;
-	unsigned char *rawp;
 
 	skb->dev = dev;
 	skb_reset_mac_header(skb);
@@ -199,15 +198,13 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
 	if (ntohs(eth->h_proto) >= 1536)
 		return eth->h_proto;
 
-	rawp = skb->data;
-
 	/*
 	 *      This is a magic hack to spot IPX packets. Older Novell breaks
 	 *      the protocol design and runs IPX over 802.3 without an 802.2 LLC
 	 *      layer. We look for FFFF which isn't a used 802.2 SSAP/DSAP. This
 	 *      won't work for fault tolerant netware but does for the rest.
 	 */
-	if (*(unsigned short *)rawp == 0xFFFF)
+	if (skb->len >= 2 && *(unsigned short *)(skb->data) == 0xFFFF)
 		return htons(ETH_P_802_3);
 
 	/*

net/ipv4/af_inet.c

@@ -1100,7 +1100,7 @@ static int inet_sk_reselect_saddr(struct sock *sk)
 	if (err)
 		return err;
 
-	sk_setup_caps(sk, &rt->u.dst);
+	sk_setup_caps(sk, &rt->dst);
 
 	new_saddr = rt->rt_src;
 
@@ -1166,7 +1166,7 @@ int inet_sk_rebuild_header(struct sock *sk)
 	err = ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0);
 }
 	if (!err)
-		sk_setup_caps(sk, &rt->u.dst);
+		sk_setup_caps(sk, &rt->dst);
 	else {
 		/* Routing failed... */
 		sk->sk_route_caps = 0;

net/ipv4/arp.c

@@ -427,7 +427,7 @@ static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev)
 
 	if (ip_route_output_key(net, &rt, &fl) < 0)
 		return 1;
-	if (rt->u.dst.dev != dev) {
+	if (rt->dst.dev != dev) {
 		NET_INC_STATS_BH(net, LINUX_MIB_ARPFILTER);
 		flag = 1;
 	}
@@ -532,7 +532,7 @@ static inline int arp_fwd_proxy(struct in_device *in_dev,
 	struct in_device *out_dev;
 	int imi, omi = -1;
 
-	if (rt->u.dst.dev == dev)
+	if (rt->dst.dev == dev)
 		return 0;
 
 	if (!IN_DEV_PROXY_ARP(in_dev))
@@ -545,7 +545,7 @@ static inline int arp_fwd_proxy(struct in_device *in_dev,
 
 	/* place to check for proxy_arp for routes */
 
-	out_dev = __in_dev_get_rcu(rt->u.dst.dev);
+	out_dev = __in_dev_get_rcu(rt->dst.dev);
 	if (out_dev)
 		omi = IN_DEV_MEDIUM_ID(out_dev);
 
@@ -576,7 +576,7 @@ static inline int arp_fwd_pvlan(struct in_device *in_dev,
 				__be32 sip, __be32 tip)
 {
 	/* Private VLAN is only concerned about the same ethernet segment */
-	if (rt->u.dst.dev != dev)
+	if (rt->dst.dev != dev)
 		return 0;
 
 	/* Don't reply on self probes (often done by windowz boxes)*/
@@ -1042,7 +1042,7 @@ static int arp_req_set(struct net *net, struct arpreq *r,
 		struct rtable * rt;
 		if ((err = ip_route_output_key(net, &rt, &fl)) != 0)
 			return err;
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 		if (!dev)
 			return -EINVAL;
@@ -1149,7 +1149,7 @@ static int arp_req_delete(struct net *net, struct arpreq *r,
 		struct rtable * rt;
 		if ((err = ip_route_output_key(net, &rt, &fl)) != 0)
 			return err;
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 		if (!dev)
 			return -EINVAL;

net/ipv4/datagram.c

@@ -69,7 +69,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	sk->sk_state = TCP_ESTABLISHED;
 	inet->inet_id = jiffies;
 
-	sk_dst_set(sk, &rt->u.dst);
+	sk_dst_set(sk, &rt->dst);
 	return(0);
 }
 

net/ipv4/icmp.c

@@ -271,7 +271,7 @@ int xrlim_allow(struct dst_entry *dst, int timeout)
 static inline int icmpv4_xrlim_allow(struct net *net, struct rtable *rt,
 		int type, int code)
 {
-	struct dst_entry *dst = &rt->u.dst;
+	struct dst_entry *dst = &rt->dst;
 	int rc = 1;
 
 	if (type > NR_ICMP_TYPES)
@@ -327,7 +327,7 @@ static void icmp_push_reply(struct icmp_bxm *icmp_param,
 	struct sock *sk;
 	struct sk_buff *skb;
 
-	sk = icmp_sk(dev_net((*rt)->u.dst.dev));
+	sk = icmp_sk(dev_net((*rt)->dst.dev));
 	if (ip_append_data(sk, icmp_glue_bits, icmp_param,
 			   icmp_param->data_len+icmp_param->head_len,
 			   icmp_param->head_len,
@@ -359,7 +359,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
 {
 	struct ipcm_cookie ipc;
 	struct rtable *rt = skb_rtable(skb);
-	struct net *net = dev_net(rt->u.dst.dev);
+	struct net *net = dev_net(rt->dst.dev);
 	struct sock *sk;
 	struct inet_sock *inet;
 	__be32 daddr;
@@ -427,7 +427,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 
 	if (!rt)
 		goto out;
-	net = dev_net(rt->u.dst.dev);
+	net = dev_net(rt->dst.dev);
 
 	/*
 	 *	Find the original header. It is expected to be valid, of course.
@@ -596,9 +596,9 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 			/* Ugh! */
 			orefdst = skb_in->_skb_refdst; /* save old refdst */
 			err = ip_route_input(skb_in, fl.fl4_dst, fl.fl4_src,
-					     RT_TOS(tos), rt2->u.dst.dev);
+					     RT_TOS(tos), rt2->dst.dev);
 
-			dst_release(&rt2->u.dst);
+			dst_release(&rt2->dst);
 			rt2 = skb_rtable(skb_in);
 			skb_in->_skb_refdst = orefdst; /* restore old refdst */
 		}
@@ -610,7 +610,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 				  XFRM_LOOKUP_ICMP);
 		switch (err) {
 		case 0:
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 			rt = rt2;
 			break;
 		case -EPERM:
@@ -629,7 +629,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
 
 	/* RFC says return as much as we can without exceeding 576 bytes. */
 
-	room = dst_mtu(&rt->u.dst);
+	room = dst_mtu(&rt->dst);
 	if (room > 576)
 		room = 576;
 	room -= sizeof(struct iphdr) + icmp_param.replyopts.optlen;
@@ -972,7 +972,7 @@ int icmp_rcv(struct sk_buff *skb)
 {
 	struct icmphdr *icmph;
 	struct rtable *rt = skb_rtable(skb);
-	struct net *net = dev_net(rt->u.dst.dev);
+	struct net *net = dev_net(rt->dst.dev);
 
 	if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
 		struct sec_path *sp = skb_sec_path(skb);

net/ipv4/igmp.c

@@ -312,7 +312,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 		return NULL;
 	}
 
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	skb->dev = dev;
 
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -330,7 +330,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
 	pip->saddr    = rt->rt_src;
 	pip->protocol = IPPROTO_IGMP;
 	pip->tot_len  = 0;	/* filled in later */
-	ip_select_ident(pip, &rt->u.dst, NULL);
+	ip_select_ident(pip, &rt->dst, NULL);
 	((u8*)&pip[1])[0] = IPOPT_RA;
 	((u8*)&pip[1])[1] = 4;
 	((u8*)&pip[1])[2] = 0;
@@ -660,7 +660,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
 		return -1;
 	}
 
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	skb_reserve(skb, LL_RESERVED_SPACE(dev));
 
@@ -676,7 +676,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
 	iph->daddr    = dst;
 	iph->saddr    = rt->rt_src;
 	iph->protocol = IPPROTO_IGMP;
-	ip_select_ident(iph, &rt->u.dst, NULL);
+	ip_select_ident(iph, &rt->dst, NULL);
 	((u8*)&iph[1])[0] = IPOPT_RA;
 	((u8*)&iph[1])[1] = 4;
 	((u8*)&iph[1])[2] = 0;
@@ -1425,7 +1425,7 @@ static struct in_device *ip_mc_find_dev(struct net *net, struct ip_mreqn *imr)
 	}
 
 	if (!dev && !ip_route_output_key(net, &rt, &fl)) {
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 	}
 	if (dev) {

net/ipv4/inet_connection_sock.c

@@ -383,7 +383,7 @@ struct dst_entry *inet_csk_route_req(struct sock *sk,
 		goto no_route;
 	if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
 		goto route_err;
-	return &rt->u.dst;
+	return &rt->dst;
 
 route_err:
 	ip_rt_put(rt);

net/ipv4/ip_forward.c

@@ -87,16 +87,16 @@ int ip_forward(struct sk_buff *skb)
 	if (opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
 		goto sr_failed;
 
-	if (unlikely(skb->len > dst_mtu(&rt->u.dst) && !skb_is_gso(skb) &&
+	if (unlikely(skb->len > dst_mtu(&rt->dst) && !skb_is_gso(skb) &&
 		     (ip_hdr(skb)->frag_off & htons(IP_DF))) && !skb->local_df) {
-		IP_INC_STATS(dev_net(rt->u.dst.dev), IPSTATS_MIB_FRAGFAILS);
+		IP_INC_STATS(dev_net(rt->dst.dev), IPSTATS_MIB_FRAGFAILS);
 		icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
-			  htonl(dst_mtu(&rt->u.dst)));
+			  htonl(dst_mtu(&rt->dst)));
 		goto drop;
 	}
 
 	/* We are about to mangle packet. Copy it! */
-	if (skb_cow(skb, LL_RESERVED_SPACE(rt->u.dst.dev)+rt->u.dst.header_len))
+	if (skb_cow(skb, LL_RESERVED_SPACE(rt->dst.dev)+rt->dst.header_len))
 		goto drop;
 	iph = ip_hdr(skb);
 
@@ -113,7 +113,7 @@ int ip_forward(struct sk_buff *skb)
 	skb->priority = rt_tos2priority(iph->tos);
 
 	return NF_HOOK(NFPROTO_IPV4, NF_INET_FORWARD, skb, skb->dev,
-		       rt->u.dst.dev, ip_forward_finish);
+		       rt->dst.dev, ip_forward_finish);
 
 sr_failed:
 	/*

net/ipv4/ip_gre.c

@@ -745,7 +745,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			goto tx_error;
 		}
 	}
-	tdev = rt->u.dst.dev;
+	tdev = rt->dst.dev;
 
 	if (tdev == dev) {
 		ip_rt_put(rt);
@@ -755,7 +755,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 
 	df = tiph->frag_off;
 	if (df)
-		mtu = dst_mtu(&rt->u.dst) - dev->hard_header_len - tunnel->hlen;
+		mtu = dst_mtu(&rt->dst) - dev->hard_header_len - tunnel->hlen;
 	else
 		mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
@@ -803,7 +803,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			tunnel->err_count = 0;
 	}
 
-	max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->u.dst.header_len;
+	max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->dst.header_len;
 
 	if (skb_headroom(skb) < max_headroom || skb_shared(skb)||
 	    (skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
@@ -830,7 +830,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 	IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
 			      IPSKB_REROUTED);
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/*
 	 *	Push down and install the IPIP header.
@@ -853,7 +853,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			iph->ttl = ((struct ipv6hdr *)old_iph)->hop_limit;
 #endif
 		else
-			iph->ttl = dst_metric(&rt->u.dst, RTAX_HOPLIMIT);
+			iph->ttl = dst_metric(&rt->dst, RTAX_HOPLIMIT);
 	}
 
 	((__be16 *)(iph + 1))[0] = tunnel->parms.o_flags;
@@ -915,7 +915,7 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev)
 				    .proto = IPPROTO_GRE };
 		struct rtable *rt;
 		if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
-			tdev = rt->u.dst.dev;
+			tdev = rt->dst.dev;
 			ip_rt_put(rt);
 		}
 
@@ -1174,7 +1174,7 @@ static int ipgre_open(struct net_device *dev)
 		struct rtable *rt;
 		if (ip_route_output_key(dev_net(dev), &rt, &fl))
 			return -EADDRNOTAVAIL;
-		dev = rt->u.dst.dev;
+		dev = rt->dst.dev;
 		ip_rt_put(rt);
 		if (__in_dev_get_rtnl(dev) == NULL)
 			return -EADDRNOTAVAIL;

net/ipv4/ip_input.c

@@ -356,10 +356,10 @@ static int ip_rcv_finish(struct sk_buff *skb)
 
 	rt = skb_rtable(skb);
 	if (rt->rt_type == RTN_MULTICAST) {
-		IP_UPD_PO_STATS_BH(dev_net(rt->u.dst.dev), IPSTATS_MIB_INMCAST,
+		IP_UPD_PO_STATS_BH(dev_net(rt->dst.dev), IPSTATS_MIB_INMCAST,
 				skb->len);
 	} else if (rt->rt_type == RTN_BROADCAST)
-		IP_UPD_PO_STATS_BH(dev_net(rt->u.dst.dev), IPSTATS_MIB_INBCAST,
+		IP_UPD_PO_STATS_BH(dev_net(rt->dst.dev), IPSTATS_MIB_INBCAST,
 				skb->len);
 
 	return dst_input(skb);

net/ipv4/ip_output.c

@@ -151,15 +151,15 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
 	iph->version  = 4;
 	iph->ihl      = 5;
 	iph->tos      = inet->tos;
-	if (ip_dont_fragment(sk, &rt->u.dst))
+	if (ip_dont_fragment(sk, &rt->dst))
 		iph->frag_off = htons(IP_DF);
 	else
 		iph->frag_off = 0;
-	iph->ttl      = ip_select_ttl(inet, &rt->u.dst);
+	iph->ttl      = ip_select_ttl(inet, &rt->dst);
 	iph->daddr    = rt->rt_dst;
 	iph->saddr    = rt->rt_src;
 	iph->protocol = sk->sk_protocol;
-	ip_select_ident(iph, &rt->u.dst, sk);
+	ip_select_ident(iph, &rt->dst, sk);
 
 	if (opt && opt->optlen) {
 		iph->ihl += opt->optlen>>2;
@@ -240,7 +240,7 @@ int ip_mc_output(struct sk_buff *skb)
 {
 	struct sock *sk = skb->sk;
 	struct rtable *rt = skb_rtable(skb);
-	struct net_device *dev = rt->u.dst.dev;
+	struct net_device *dev = rt->dst.dev;
 
 	/*
 	 *	If the indicated interface is up and running, send the packet.
@@ -359,9 +359,9 @@ int ip_queue_xmit(struct sk_buff *skb)
 			if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0))
 				goto no_route;
 		}
-		sk_setup_caps(sk, &rt->u.dst);
+		sk_setup_caps(sk, &rt->dst);
 	}
-	skb_dst_set_noref(skb, &rt->u.dst);
+	skb_dst_set_noref(skb, &rt->dst);
 
 packet_routed:
 	if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
@@ -372,11 +372,11 @@ int ip_queue_xmit(struct sk_buff *skb)
 	skb_reset_network_header(skb);
 	iph = ip_hdr(skb);
 	*((__be16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
-	if (ip_dont_fragment(sk, &rt->u.dst) && !skb->local_df)
+	if (ip_dont_fragment(sk, &rt->dst) && !skb->local_df)
 		iph->frag_off = htons(IP_DF);
 	else
 		iph->frag_off = 0;
-	iph->ttl      = ip_select_ttl(inet, &rt->u.dst);
+	iph->ttl      = ip_select_ttl(inet, &rt->dst);
 	iph->protocol = sk->sk_protocol;
 	iph->saddr    = rt->rt_src;
 	iph->daddr    = rt->rt_dst;
@@ -387,7 +387,7 @@ int ip_queue_xmit(struct sk_buff *skb)
 		ip_options_build(skb, opt, inet->inet_daddr, rt, 0);
 	}
 
-	ip_select_ident_more(iph, &rt->u.dst, sk,
+	ip_select_ident_more(iph, &rt->dst, sk,
 			     (skb_shinfo(skb)->gso_segs ?: 1) - 1);
 
 	skb->priority = sk->sk_priority;
@@ -452,7 +452,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 	struct rtable *rt = skb_rtable(skb);
 	int err = 0;
 
-	dev = rt->u.dst.dev;
+	dev = rt->dst.dev;
 
 	/*
 	 *	Point into the IP datagram header.
@@ -473,7 +473,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 	 */
 
 	hlen = iph->ihl * 4;
-	mtu = dst_mtu(&rt->u.dst) - hlen;	/* Size of data space */
+	mtu = dst_mtu(&rt->dst) - hlen;	/* Size of data space */
 #ifdef CONFIG_BRIDGE_NETFILTER
 	if (skb->nf_bridge)
 		mtu -= nf_bridge_mtu_reduction(skb);
@@ -586,7 +586,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 	 * we need to make room for the encapsulating header
 	 */
 	pad = nf_bridge_pad(skb);
-	ll_rs = LL_RESERVED_SPACE_EXTRA(rt->u.dst.dev, pad);
+	ll_rs = LL_RESERVED_SPACE_EXTRA(rt->dst.dev, pad);
 	mtu -= pad;
 
 	/*
@@ -833,13 +833,13 @@ int ip_append_data(struct sock *sk,
 		 */
 		*rtp = NULL;
 		inet->cork.fragsize = mtu = inet->pmtudisc == IP_PMTUDISC_PROBE ?
-					    rt->u.dst.dev->mtu :
-					    dst_mtu(rt->u.dst.path);
-		inet->cork.dst = &rt->u.dst;
+					    rt->dst.dev->mtu :
+					    dst_mtu(rt->dst.path);
+		inet->cork.dst = &rt->dst;
 		inet->cork.length = 0;
 		sk->sk_sndmsg_page = NULL;
 		sk->sk_sndmsg_off = 0;
-		if ((exthdrlen = rt->u.dst.header_len) != 0) {
+		if ((exthdrlen = rt->dst.header_len) != 0) {
 			length += exthdrlen;
 			transhdrlen += exthdrlen;
 		}
@@ -852,7 +852,7 @@ int ip_append_data(struct sock *sk,
 		exthdrlen = 0;
 		mtu = inet->cork.fragsize;
 	}
-	hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+	hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 
 	fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
 	maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
@@ -869,14 +869,14 @@ int ip_append_data(struct sock *sk,
 	 */
 	if (transhdrlen &&
 	    length + fragheaderlen <= mtu &&
-	    rt->u.dst.dev->features & NETIF_F_V4_CSUM &&
+	    rt->dst.dev->features & NETIF_F_V4_CSUM &&
 	    !exthdrlen)
 		csummode = CHECKSUM_PARTIAL;
 
 	inet->cork.length += length;
 	if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
-	    (rt->u.dst.dev->features & NETIF_F_UFO)) {
+	    (rt->dst.dev->features & NETIF_F_UFO)) {
 		err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
 					 fragheaderlen, transhdrlen, mtu,
 					 flags);
@@ -924,7 +924,7 @@ int ip_append_data(struct sock *sk,
 			fraglen = datalen + fragheaderlen;
 
 			if ((flags & MSG_MORE) &&
-			    !(rt->u.dst.dev->features&NETIF_F_SG))
+			    !(rt->dst.dev->features&NETIF_F_SG))
 				alloclen = mtu;
 			else
 				alloclen = datalen + fragheaderlen;
@@ -935,7 +935,7 @@ int ip_append_data(struct sock *sk,
 			 * the last.
 			 */
 			if (datalen == length + fraggap)
-				alloclen += rt->u.dst.trailer_len;
+				alloclen += rt->dst.trailer_len;
 
 			if (transhdrlen) {
 				skb = sock_alloc_send_skb(sk,
@@ -1008,7 +1008,7 @@ int ip_append_data(struct sock *sk,
 		if (copy > length)
 			copy = length;
 
-		if (!(rt->u.dst.dev->features&NETIF_F_SG)) {
+		if (!(rt->dst.dev->features&NETIF_F_SG)) {
 			unsigned int off;
 
 			off = skb->len;
@@ -1103,10 +1103,10 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 	if (inet->cork.flags & IPCORK_OPT)
 		opt = inet->cork.opt;
 
-	if (!(rt->u.dst.dev->features&NETIF_F_SG))
+	if (!(rt->dst.dev->features&NETIF_F_SG))
 		return -EOPNOTSUPP;
 
-	hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+	hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 	mtu = inet->cork.fragsize;
 
 	fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
@@ -1122,7 +1122,7 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
 
 	inet->cork.length += size;
 	if ((sk->sk_protocol == IPPROTO_UDP) &&
-	    (rt->u.dst.dev->features & NETIF_F_UFO)) {
+	    (rt->dst.dev->features & NETIF_F_UFO)) {
 		skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
 		skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
 	}
@@ -1274,8 +1274,8 @@ int ip_push_pending_frames(struct sock *sk)
 	 * If local_df is set too, we still allow to fragment this frame
 	 * locally. */
 	if (inet->pmtudisc >= IP_PMTUDISC_DO ||
-	    (skb->len <= dst_mtu(&rt->u.dst) &&
-	     ip_dont_fragment(sk, &rt->u.dst)))
+	    (skb->len <= dst_mtu(&rt->dst) &&
+	     ip_dont_fragment(sk, &rt->dst)))
 		df = htons(IP_DF);
 
 	if (inet->cork.flags & IPCORK_OPT)
@@ -1284,7 +1284,7 @@ int ip_push_pending_frames(struct sock *sk)
 	if (rt->rt_type == RTN_MULTICAST)
 		ttl = inet->mc_ttl;
 	else
-		ttl = ip_select_ttl(inet, &rt->u.dst);
+		ttl = ip_select_ttl(inet, &rt->dst);
 
 	iph = (struct iphdr *)skb->data;
 	iph->version = 4;
@@ -1295,7 +1295,7 @@ int ip_push_pending_frames(struct sock *sk)
 	}
 	iph->tos = inet->tos;
 	iph->frag_off = df;
-	ip_select_ident(iph, &rt->u.dst, sk);
+	ip_select_ident(iph, &rt->dst, sk);
 	iph->ttl = ttl;
 	iph->protocol = sk->sk_protocol;
 	iph->saddr = rt->rt_src;
@@ -1308,7 +1308,7 @@ int ip_push_pending_frames(struct sock *sk)
 	 * on dst refcount
 	 */
 	inet->cork.dst = NULL;
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	if (iph->protocol == IPPROTO_ICMP)
 		icmp_out_count(net, ((struct icmphdr *)

net/ipv4/ipip.c

@@ -435,7 +435,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 			goto tx_error_icmp;
 		}
 	}
-	tdev = rt->u.dst.dev;
+	tdev = rt->dst.dev;
 
 	if (tdev == dev) {
 		ip_rt_put(rt);
@@ -446,7 +446,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 	df |= old_iph->frag_off & htons(IP_DF);
 
 	if (df) {
-		mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
+		mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr);
 
 		if (mtu < 68) {
 			stats->collisions++;
@@ -503,7 +503,7 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 	IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
 			      IPSKB_REROUTED);
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/*
 	 *	Push down and install the IPIP header.
@@ -552,7 +552,7 @@ static void ipip_tunnel_bind_dev(struct net_device *dev)
 				    .proto = IPPROTO_IPIP };
 		struct rtable *rt;
 		if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
-			tdev = rt->u.dst.dev;
+			tdev = rt->dst.dev;
 			ip_rt_put(rt);
 		}
 		dev->flags |= IFF_POINTOPOINT;

net/ipv4/ipmr.c

@@ -1551,9 +1551,9 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 			goto out_free;
 	}
 
-	dev = rt->u.dst.dev;
+	dev = rt->dst.dev;
 
-	if (skb->len+encap > dst_mtu(&rt->u.dst) && (ntohs(iph->frag_off) & IP_DF)) {
+	if (skb->len+encap > dst_mtu(&rt->dst) && (ntohs(iph->frag_off) & IP_DF)) {
 		/* Do not fragment multicasts. Alas, IPv4 does not
 		   allow to send ICMP, so that packets will disappear
 		   to blackhole.
@@ -1564,7 +1564,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 		goto out_free;
 	}
 
-	encap += LL_RESERVED_SPACE(dev) + rt->u.dst.header_len;
+	encap += LL_RESERVED_SPACE(dev) + rt->dst.header_len;
 
 	if (skb_cow(skb, encap)) {
 		ip_rt_put(rt);
@@ -1575,7 +1575,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 	vif->bytes_out += skb->len;
 
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	ip_decrease_ttl(ip_hdr(skb));
 
 	/* FIXME: forward and output firewalls used to be called here.

net/ipv4/netfilter.c

@@ -43,7 +43,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 
 		/* Drop old route. */
 		skb_dst_drop(skb);
-		skb_dst_set(skb, &rt->u.dst);
+		skb_dst_set(skb, &rt->dst);
 	} else {
 		/* non-local src, find valid iif to satisfy
 		 * rp-filter when calling ip_route_input. */
@@ -53,11 +53,11 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 
 		orefdst = skb->_skb_refdst;
 		if (ip_route_input(skb, iph->daddr, iph->saddr,
-				   RT_TOS(iph->tos), rt->u.dst.dev) != 0) {
-			dst_release(&rt->u.dst);
+				   RT_TOS(iph->tos), rt->dst.dev) != 0) {
+			dst_release(&rt->dst);
 			return -1;
 		}
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		refdst_drop(orefdst);
 	}
 

net/ipv4/raw.c

@@ -325,24 +325,24 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 	int err;
 	struct rtable *rt = *rtp;
 
-	if (length > rt->u.dst.dev->mtu) {
+	if (length > rt->dst.dev->mtu) {
 		ip_local_error(sk, EMSGSIZE, rt->rt_dst, inet->inet_dport,
-			       rt->u.dst.dev->mtu);
+			       rt->dst.dev->mtu);
 		return -EMSGSIZE;
 	}
 	if (flags&MSG_PROBE)
 		goto out;
 
 	skb = sock_alloc_send_skb(sk,
-				  length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
+				  length + LL_ALLOCATED_SPACE(rt->dst.dev) + 15,
 				  flags & MSG_DONTWAIT, &err);
 	if (skb == NULL)
 		goto error;
-	skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
+	skb_reserve(skb, LL_RESERVED_SPACE(rt->dst.dev));
 
 	skb->priority = sk->sk_priority;
 	skb->mark = sk->sk_mark;
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	*rtp = NULL;
 
 	skb_reset_network_header(skb);
@@ -375,7 +375,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 		iph->check   = 0;
 		iph->tot_len = htons(length);
 		if (!iph->id)
-			ip_select_ident(iph, &rt->u.dst, NULL);
+			ip_select_ident(iph, &rt->dst, NULL);
 
 		iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
 	}
@@ -384,7 +384,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 			skb_transport_header(skb))->type);
 
 	err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
-		      rt->u.dst.dev, dst_output);
+		      rt->dst.dev, dst_output);
 	if (err > 0)
 		err = net_xmit_errno(err);
 	if (err)
@@ -606,7 +606,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	return len;
 
 do_confirm:
-	dst_confirm(&rt->u.dst);
+	dst_confirm(&rt->dst);
 	if (!(msg->msg_flags & MSG_PROBE) || len)
 		goto back_from_confirm;
 	err = 0;

net/ipv4/syncookies.c

@@ -354,15 +354,15 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	}
 
 	/* Try to redo what tcp_v4_send_synack did. */
-	req->window_clamp = tp->window_clamp ? :dst_metric(&rt->u.dst, RTAX_WINDOW);
+	req->window_clamp = tp->window_clamp ? :dst_metric(&rt->dst, RTAX_WINDOW);
 
 	tcp_select_initial_window(tcp_full_space(sk), req->mss,
 				  &req->rcv_wnd, &req->window_clamp,
 				  ireq->wscale_ok, &rcv_wscale,
-				  dst_metric(&rt->u.dst, RTAX_INITRWND));
+				  dst_metric(&rt->dst, RTAX_INITRWND));
 
 	ireq->rcv_wscale  = rcv_wscale;
 
-	ret = get_cookie_sock(sk, skb, req, &rt->u.dst);
+	ret = get_cookie_sock(sk, skb, req, &rt->dst);
 out:	return ret;
 }

net/ipv4/tcp_ipv4.c

@@ -237,7 +237,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 
 	/* OK, now commit destination to socket.  */
 	sk->sk_gso_type = SKB_GSO_TCPV4;
-	sk_setup_caps(sk, &rt->u.dst);
+	sk_setup_caps(sk, &rt->dst);
 
 	if (!tp->write_seq)
 		tp->write_seq = secure_tcp_sequence_number(inet->inet_saddr,

net/ipv4/udp.c

@@ -914,7 +914,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		    !sock_flag(sk, SOCK_BROADCAST))
 			goto out;
 		if (connected)
-			sk_dst_set(sk, dst_clone(&rt->u.dst));
+			sk_dst_set(sk, dst_clone(&rt->dst));
 	}
 
 	if (msg->msg_flags&MSG_CONFIRM)
@@ -978,7 +978,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	return err;
 
 do_confirm:
-	dst_confirm(&rt->u.dst);
+	dst_confirm(&rt->dst);
 	if (!(msg->msg_flags&MSG_PROBE) || len)
 		goto back_from_confirm;
 	err = 0;

net/ipv4/xfrm4_policy.c

@@ -37,7 +37,7 @@ static struct dst_entry *xfrm4_dst_lookup(struct net *net, int tos,
 		fl.fl4_src = saddr->a4;
 
 	err = __ip_route_output_key(net, &rt, &fl);
-	dst = &rt->u.dst;
+	dst = &rt->dst;
 	if (err)
 		dst = ERR_PTR(err);
 	return dst;

net/ipv6/addrconf.c

@@ -557,7 +557,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
 		pr_warning("Freeing alive inet6 address %p\n", ifp);
 		return;
 	}
-	dst_release(&ifp->rt->u.dst);
+	dst_release(&ifp->rt->dst);
 
 	call_rcu(&ifp->rcu, inet6_ifa_finish_destroy_rcu);
 }
@@ -823,7 +823,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 				rt->rt6i_flags |= RTF_EXPIRES;
 			}
 		}
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 	}
 
 out:
@@ -1863,7 +1863,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 					      dev, expires, flags);
 		}
 		if (rt)
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 	}
 
 	/* Try to figure out our local address for this prefix */
@@ -4093,11 +4093,11 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
 		if (ifp->idev->cnf.forwarding)
 			addrconf_leave_anycast(ifp);
 		addrconf_leave_solict(ifp->idev, &ifp->addr);
-		dst_hold(&ifp->rt->u.dst);
+		dst_hold(&ifp->rt->dst);
 
 		if (ifp->state == INET6_IFADDR_STATE_DEAD &&
 		    ip6_del_rt(ifp->rt))
-			dst_free(&ifp->rt->u.dst);
+			dst_free(&ifp->rt->dst);
 		break;
 	}
 }

net/ipv6/anycast.c

@@ -84,7 +84,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
 		rt = rt6_lookup(net, addr, NULL, 0, 0);
 		if (rt) {
 			dev = rt->rt6i_dev;
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 		} else if (ishost) {
 			err = -EADDRNOTAVAIL;
 			goto error;
@@ -244,7 +244,7 @@ static void aca_put(struct ifacaddr6 *ac)
 {
 	if (atomic_dec_and_test(&ac->aca_refcnt)) {
 		in6_dev_put(ac->aca_idev);
-		dst_release(&ac->aca_rt->u.dst);
+		dst_release(&ac->aca_rt->dst);
 		kfree(ac);
 	}
 }
@@ -350,7 +350,7 @@ int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr)
 	write_unlock_bh(&idev->lock);
 	addrconf_leave_solict(idev, &aca->aca_addr);
 
-	dst_hold(&aca->aca_rt->u.dst);
+	dst_hold(&aca->aca_rt->dst);
 	ip6_del_rt(aca->aca_rt);
 
 	aca_put(aca);

net/ipv6/fib6_rules.c

@@ -43,8 +43,8 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
 	if (arg.result)
 		return arg.result;
 
-	dst_hold(&net->ipv6.ip6_null_entry->u.dst);
-	return &net->ipv6.ip6_null_entry->u.dst;
+	dst_hold(&net->ipv6.ip6_null_entry->dst);
+	return &net->ipv6.ip6_null_entry->dst;
 }
 
 static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
@@ -86,7 +86,7 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
 			struct in6_addr saddr;
 
 			if (ipv6_dev_get_saddr(net,
-					       ip6_dst_idev(&rt->u.dst)->dev,
+					       ip6_dst_idev(&rt->dst)->dev,
 					       &flp->fl6_dst,
 					       rt6_flags2srcprefs(flags),
 					       &saddr))
@@ -99,12 +99,12 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
 		goto out;
 	}
 again:
-	dst_release(&rt->u.dst);
+	dst_release(&rt->dst);
 	rt = NULL;
 	goto out;
 
 discard_pkt:
-	dst_hold(&rt->u.dst);
+	dst_hold(&rt->dst);
 out:
 	arg->result = rt;
 	return rt == NULL ? -EAGAIN : 0;

net/ipv6/ip6_fib.c

@@ -165,7 +165,7 @@ static __inline__ void node_free(struct fib6_node * fn)
 static __inline__ void rt6_release(struct rt6_info *rt)
 {
 	if (atomic_dec_and_test(&rt->rt6i_ref))
-		dst_free(&rt->u.dst);
+		dst_free(&rt->dst);
 }
 
 static void fib6_link_table(struct net *net, struct fib6_table *tb)
@@ -278,7 +278,7 @@ static int fib6_dump_node(struct fib6_walker_t *w)
 	int res;
 	struct rt6_info *rt;
 
-	for (rt = w->leaf; rt; rt = rt->u.dst.rt6_next) {
+	for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
 		res = rt6_dump_route(rt, w->args);
 		if (res < 0) {
 			/* Frame is full, suspend walking */
@@ -619,7 +619,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
 
 	ins = &fn->leaf;
 
-	for (iter = fn->leaf; iter; iter=iter->u.dst.rt6_next) {
+	for (iter = fn->leaf; iter; iter=iter->dst.rt6_next) {
 		/*
 		 *	Search for duplicates
 		 */
@@ -647,7 +647,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
 		if (iter->rt6i_metric > rt->rt6i_metric)
 			break;
 
-		ins = &iter->u.dst.rt6_next;
+		ins = &iter->dst.rt6_next;
 	}
 
 	/* Reset round-robin state, if necessary */
@@ -658,7 +658,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
 	 *	insert node
 	 */
 
-	rt->u.dst.rt6_next = iter;
+	rt->dst.rt6_next = iter;
 	*ins = rt;
 	rt->rt6i_node = fn;
 	atomic_inc(&rt->rt6i_ref);
@@ -799,7 +799,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
 			atomic_inc(&pn->leaf->rt6i_ref);
 		}
 #endif
-		dst_free(&rt->u.dst);
+		dst_free(&rt->dst);
 	}
 	return err;
 
@@ -810,7 +810,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
 st_failure:
 	if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
 		fib6_repair_tree(info->nl_net, fn);
-	dst_free(&rt->u.dst);
+	dst_free(&rt->dst);
 	return err;
 #endif
 }
@@ -1108,7 +1108,7 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
 	RT6_TRACE("fib6_del_route\n");
 
 	/* Unlink it */
-	*rtp = rt->u.dst.rt6_next;
+	*rtp = rt->dst.rt6_next;
 	rt->rt6i_node = NULL;
 	net->ipv6.rt6_stats->fib_rt_entries--;
 	net->ipv6.rt6_stats->fib_discarded_routes++;
@@ -1122,14 +1122,14 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
 	FOR_WALKERS(w) {
 		if (w->state == FWS_C && w->leaf == rt) {
 			RT6_TRACE("walker %p adjusted by delroute\n", w);
-			w->leaf = rt->u.dst.rt6_next;
+			w->leaf = rt->dst.rt6_next;
 			if (w->leaf == NULL)
 				w->state = FWS_U;
 		}
 	}
 	read_unlock(&fib6_walker_lock);
 
-	rt->u.dst.rt6_next = NULL;
+	rt->dst.rt6_next = NULL;
 
 	/* If it was last route, expunge its radix tree node */
 	if (fn->leaf == NULL) {
@@ -1168,7 +1168,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
 	struct rt6_info **rtp;
 
 #if RT6_DEBUG >= 2
-	if (rt->u.dst.obsolete>0) {
+	if (rt->dst.obsolete>0) {
 		WARN_ON(fn != NULL);
 		return -ENOENT;
 	}
@@ -1195,7 +1195,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
 	 *	Walk the leaf entries looking for ourself
 	 */
 
-	for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->u.dst.rt6_next) {
+	for (rtp = &fn->leaf; *rtp; rtp = &(*rtp)->dst.rt6_next) {
 		if (*rtp == rt) {
 			fib6_del_route(fn, rtp, info);
 			return 0;
@@ -1334,7 +1334,7 @@ static int fib6_clean_node(struct fib6_walker_t *w)
 		.nl_net = c->net,
 	};
 
-	for (rt = w->leaf; rt; rt = rt->u.dst.rt6_next) {
+	for (rt = w->leaf; rt; rt = rt->dst.rt6_next) {
 		res = c->func(rt, c->arg);
 		if (res < 0) {
 			w->leaf = rt;
@@ -1448,8 +1448,8 @@ static int fib6_age(struct rt6_info *rt, void *arg)
 		}
 		gc_args.more++;
 	} else if (rt->rt6i_flags & RTF_CACHE) {
-		if (atomic_read(&rt->u.dst.__refcnt) == 0 &&
-		    time_after_eq(now, rt->u.dst.lastuse + gc_args.timeout)) {
+		if (atomic_read(&rt->dst.__refcnt) == 0 &&
+		    time_after_eq(now, rt->dst.lastuse + gc_args.timeout)) {
 			RT6_TRACE("aging clone %p\n", rt);
 			return -1;
 		} else if ((rt->rt6i_flags & RTF_GATEWAY) &&

net/ipv6/ip6_output.c

@@ -698,7 +698,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 		ipv6_hdr(skb)->payload_len = htons(first_len -
 						   sizeof(struct ipv6hdr));
 
-		dst_hold(&rt->u.dst);
+		dst_hold(&rt->dst);
 
 		for (;;) {
 			/* Prepare header of the next frame,
@@ -726,7 +726,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 
 			err = output(skb);
 			if(!err)
-				IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst),
+				IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
 					      IPSTATS_MIB_FRAGCREATES);
 
 			if (err || !frag)
@@ -740,9 +740,9 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 		kfree(tmp_hdr);
 
 		if (err == 0) {
-			IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst),
+			IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
 				      IPSTATS_MIB_FRAGOKS);
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 			return 0;
 		}
 
@@ -752,9 +752,9 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 			frag = skb;
 		}
 
-		IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst),
+		IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
 			      IPSTATS_MIB_FRAGFAILS);
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		return err;
 	}
 
@@ -785,7 +785,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 		 *	Allocate buffer.
 		 */
 
-		if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) {
+		if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->dst.dev), GFP_ATOMIC)) == NULL) {
 			NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n");
 			IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
 				      IPSTATS_MIB_FRAGFAILS);
@@ -798,7 +798,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 		 */
 
 		ip6_copy_metadata(frag, skb);
-		skb_reserve(frag, LL_RESERVED_SPACE(rt->u.dst.dev));
+		skb_reserve(frag, LL_RESERVED_SPACE(rt->dst.dev));
 		skb_put(frag, len + hlen + sizeof(struct frag_hdr));
 		skb_reset_network_header(frag);
 		fh = (struct frag_hdr *)(skb_network_header(frag) + hlen);
@@ -1156,24 +1156,24 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 
 			/* need source address above miyazawa*/
 		}
-		dst_hold(&rt->u.dst);
-		inet->cork.dst = &rt->u.dst;
+		dst_hold(&rt->dst);
+		inet->cork.dst = &rt->dst;
 		inet->cork.fl = *fl;
 		np->cork.hop_limit = hlimit;
 		np->cork.tclass = tclass;
 		mtu = np->pmtudisc == IPV6_PMTUDISC_PROBE ?
-		      rt->u.dst.dev->mtu : dst_mtu(rt->u.dst.path);
+		      rt->dst.dev->mtu : dst_mtu(rt->dst.path);
 		if (np->frag_size < mtu) {
 			if (np->frag_size)
 				mtu = np->frag_size;
 		}
 		inet->cork.fragsize = mtu;
-		if (dst_allfrag(rt->u.dst.path))
+		if (dst_allfrag(rt->dst.path))
 			inet->cork.flags |= IPCORK_ALLFRAG;
 		inet->cork.length = 0;
 		sk->sk_sndmsg_page = NULL;
 		sk->sk_sndmsg_off = 0;
-		exthdrlen = rt->u.dst.header_len + (opt ? opt->opt_flen : 0) -
+		exthdrlen = rt->dst.header_len + (opt ? opt->opt_flen : 0) -
 			    rt->rt6i_nfheader_len;
 		length += exthdrlen;
 		transhdrlen += exthdrlen;
@@ -1186,7 +1186,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 		mtu = inet->cork.fragsize;
 	}
 
-	hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
+	hh_len = LL_RESERVED_SPACE(rt->dst.dev);
 
 	fragheaderlen = sizeof(struct ipv6hdr) + rt->rt6i_nfheader_len +
 			(opt ? opt->opt_nflen : 0);
@@ -1224,7 +1224,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 		}
 
 		if (proto == IPPROTO_UDP &&
-		    (rt->u.dst.dev->features & NETIF_F_UFO)) {
+		    (rt->dst.dev->features & NETIF_F_UFO)) {
 
 			err = ip6_ufo_append_data(sk, getfrag, from, length,
 						  hh_len, fragheaderlen,
@@ -1270,7 +1270,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 
 			fraglen = datalen + fragheaderlen;
 			if ((flags & MSG_MORE) &&
-			    !(rt->u.dst.dev->features&NETIF_F_SG))
+			    !(rt->dst.dev->features&NETIF_F_SG))
 				alloclen = mtu;
 			else
 				alloclen = datalen + fragheaderlen;
@@ -1281,7 +1281,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 			 * because we have no idea if we're the last one.
 			 */
 			if (datalen == length + fraggap)
-				alloclen += rt->u.dst.trailer_len;
+				alloclen += rt->dst.trailer_len;
 
 			/*
 			 * We just reserve space for fragment header.
@@ -1358,7 +1358,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
 		if (copy > length)
 			copy = length;
 
-		if (!(rt->u.dst.dev->features&NETIF_F_SG)) {
+		if (!(rt->dst.dev->features&NETIF_F_SG)) {
 			unsigned int off;
 
 			off = skb->len;
@@ -1503,7 +1503,7 @@ int ip6_push_pending_frames(struct sock *sk)
 	skb->priority = sk->sk_priority;
 	skb->mark = sk->sk_mark;
 
-	skb_dst_set(skb, dst_clone(&rt->u.dst));
+	skb_dst_set(skb, dst_clone(&rt->dst));
 	IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
 	if (proto == IPPROTO_ICMPV6) {
 		struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));

net/ipv6/ip6_tunnel.c

@@ -552,7 +552,7 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	if (ip_route_output_key(dev_net(skb->dev), &rt, &fl))
 		goto out;
 
-	skb2->dev = rt->u.dst.dev;
+	skb2->dev = rt->dst.dev;
 
 	/* route "incoming" packet */
 	if (rt->rt_flags & RTCF_LOCAL) {
@@ -562,7 +562,7 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		fl.fl4_src = eiph->saddr;
 		fl.fl4_tos = eiph->tos;
 		if (ip_route_output_key(dev_net(skb->dev), &rt, &fl) ||
-		    rt->u.dst.dev->type != ARPHRD_TUNNEL) {
+		    rt->dst.dev->type != ARPHRD_TUNNEL) {
 			ip_rt_put(rt);
 			goto out;
 		}
@@ -626,7 +626,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		icmpv6_send(skb2, rel_type, rel_code, rel_info);
 
 		if (rt)
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 
 		kfree_skb(skb2);
 	}
@@ -1135,7 +1135,7 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
 			if (dev->mtu < IPV6_MIN_MTU)
 				dev->mtu = IPV6_MIN_MTU;
 		}
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 	}
 }
 

net/ipv6/mcast.c

@@ -158,7 +158,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
 		rt = rt6_lookup(net, addr, NULL, 0, 0);
 		if (rt) {
 			dev = rt->rt6i_dev;
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 		}
 	} else
 		dev = dev_get_by_index_rcu(net, ifindex);
@@ -248,7 +248,7 @@ static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
 		if (rt) {
 			dev = rt->rt6i_dev;
 			dev_hold(dev);
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 		}
 	} else
 		dev = dev_get_by_index_rcu(net, ifindex);

net/ipv6/ndisc.c

@@ -1229,7 +1229,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 			ND_PRINTK0(KERN_ERR
 				   "ICMPv6 RA: %s() got default router without neighbour.\n",
 				   __func__);
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 			in6_dev_put(in6_dev);
 			return;
 		}
@@ -1244,7 +1244,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 	if (ra_msg->icmph.icmp6_hop_limit) {
 		in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
 		if (rt)
-			rt->u.dst.metrics[RTAX_HOPLIMIT-1] = ra_msg->icmph.icmp6_hop_limit;
+			rt->dst.metrics[RTAX_HOPLIMIT-1] = ra_msg->icmph.icmp6_hop_limit;
 	}
 
 skip_defrtr:
@@ -1363,7 +1363,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 			in6_dev->cnf.mtu6 = mtu;
 
 			if (rt)
-				rt->u.dst.metrics[RTAX_MTU-1] = mtu;
+				rt->dst.metrics[RTAX_MTU-1] = mtu;
 
 			rt6_mtu_change(skb->dev, mtu);
 		}
@@ -1384,7 +1384,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 	}
 out:
 	if (rt)
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 	else if (neigh)
 		neigh_release(neigh);
 	in6_dev_put(in6_dev);

net/ipv6/raw.c

@@ -611,23 +611,23 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
 	int err;
 	struct rt6_info *rt = (struct rt6_info *)*dstp;
 
-	if (length > rt->u.dst.dev->mtu) {
-		ipv6_local_error(sk, EMSGSIZE, fl, rt->u.dst.dev->mtu);
+	if (length > rt->dst.dev->mtu) {
+		ipv6_local_error(sk, EMSGSIZE, fl, rt->dst.dev->mtu);
 		return -EMSGSIZE;
 	}
 	if (flags&MSG_PROBE)
 		goto out;
 
 	skb = sock_alloc_send_skb(sk,
-				  length + LL_ALLOCATED_SPACE(rt->u.dst.dev) + 15,
+				  length + LL_ALLOCATED_SPACE(rt->dst.dev) + 15,
 				  flags & MSG_DONTWAIT, &err);
 	if (skb == NULL)
 		goto error;
-	skb_reserve(skb, LL_RESERVED_SPACE(rt->u.dst.dev));
+	skb_reserve(skb, LL_RESERVED_SPACE(rt->dst.dev));
 
 	skb->priority = sk->sk_priority;
 	skb->mark = sk->sk_mark;
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 	*dstp = NULL;
 
 	skb_put(skb, length);
@@ -643,7 +643,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
 
 	IP6_UPD_PO_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
 	err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, skb, NULL,
-		      rt->u.dst.dev, dst_output);
+		      rt->dst.dev, dst_output);
 	if (err > 0)
 		err = net_xmit_errno(err);
 	if (err)

net/ipv6/sit.c

@@ -712,7 +712,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 		stats->tx_carrier_errors++;
 		goto tx_error_icmp;
 	}
-	tdev = rt->u.dst.dev;
+	tdev = rt->dst.dev;
 
 	if (tdev == dev) {
 		ip_rt_put(rt);
@@ -721,7 +721,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 	}
 
 	if (df) {
-		mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
+		mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr);
 
 		if (mtu < 68) {
 			stats->collisions++;
@@ -780,7 +780,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 	memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 	IPCB(skb)->flags = 0;
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/*
 	 *	Push down and install the IPIP header.
@@ -829,7 +829,7 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev)
 				    .proto = IPPROTO_IPV6 };
 		struct rtable *rt;
 		if (!ip_route_output_key(dev_net(dev), &rt, &fl)) {
-			tdev = rt->u.dst.dev;
+			tdev = rt->dst.dev;
 			ip_rt_put(rt);
 		}
 		dev->flags |= IFF_POINTOPOINT;

net/l2tp/l2tp_ip.c

@@ -348,7 +348,7 @@ static int l2tp_ip_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len
 	sk->sk_state = TCP_ESTABLISHED;
 	inet->inet_id = jiffies;
 
-	sk_dst_set(sk, &rt->u.dst);
+	sk_dst_set(sk, &rt->dst);
 
 	write_lock_bh(&l2tp_ip_lock);
 	hlist_del_init(&sk->sk_bind_node);
@@ -496,9 +496,9 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
 			if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0))
 				goto no_route;
 		}
-		sk_setup_caps(sk, &rt->u.dst);
+		sk_setup_caps(sk, &rt->dst);
 	}
-	skb_dst_set(skb, dst_clone(&rt->u.dst));
+	skb_dst_set(skb, dst_clone(&rt->dst));
 
 	/* Queue the packet to IP for output */
 	rc = ip_queue_xmit(skb);

net/netfilter/ipvs/ip_vs_xmit.c

@@ -90,10 +90,10 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
 					     &dest->addr.ip);
 				return NULL;
 			}
-			__ip_vs_dst_set(dest, rtos, dst_clone(&rt->u.dst));
+			__ip_vs_dst_set(dest, rtos, dst_clone(&rt->dst));
 			IP_VS_DBG(10, "new dst %pI4, refcnt=%d, rtos=%X\n",
 				  &dest->addr.ip,
-				  atomic_read(&rt->u.dst.__refcnt), rtos);
+				  atomic_read(&rt->dst.__refcnt), rtos);
 		}
 		spin_unlock(&dest->dst_lock);
 	} else {
@@ -148,10 +148,10 @@ __ip_vs_get_out_rt_v6(struct ip_vs_conn *cp)
 					     &dest->addr.in6);
 				return NULL;
 			}
-			__ip_vs_dst_set(dest, 0, dst_clone(&rt->u.dst));
+			__ip_vs_dst_set(dest, 0, dst_clone(&rt->dst));
 			IP_VS_DBG(10, "new dst %pI6, refcnt=%d\n",
 				  &dest->addr.in6,
-				  atomic_read(&rt->u.dst.__refcnt));
+				  atomic_read(&rt->dst.__refcnt));
 		}
 		spin_unlock(&dest->dst_lock);
 	} else {
@@ -198,7 +198,7 @@ do {							\
 	(skb)->ipvs_property = 1;			\
 	skb_forward_csum(skb);				\
 	NF_HOOK(pf, NF_INET_LOCAL_OUT, (skb), NULL,	\
-		(rt)->u.dst.dev, dst_output);		\
+		(rt)->dst.dev, dst_output);		\
 } while (0)
 
 
@@ -245,7 +245,7 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	}
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) {
 		ip_rt_put(rt);
 		icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
@@ -265,7 +265,7 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/* Another hack: avoid icmp_send in ip_fragment */
 	skb->local_df = 1;
@@ -309,9 +309,9 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	}
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if (skb->len > mtu) {
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
 		goto tx_error;
@@ -323,13 +323,13 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	 */
 	skb = skb_share_check(skb, GFP_ATOMIC);
 	if (unlikely(skb == NULL)) {
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		return NF_STOLEN;
 	}
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/* Another hack: avoid icmp_send in ip_fragment */
 	skb->local_df = 1;
@@ -376,7 +376,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 		goto tx_error_icmp;
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) {
 		ip_rt_put(rt);
 		icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
@@ -388,12 +388,12 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	if (!skb_make_writable(skb, sizeof(struct iphdr)))
 		goto tx_error_put;
 
-	if (skb_cow(skb, rt->u.dst.dev->hard_header_len))
+	if (skb_cow(skb, rt->dst.dev->hard_header_len))
 		goto tx_error_put;
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/* mangle the packet */
 	if (pp->dnat_handler && !pp->dnat_handler(skb, pp, cp))
@@ -452,9 +452,9 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 		goto tx_error_icmp;
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if (skb->len > mtu) {
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
 		IP_VS_DBG_RL_PKT(0, pp, skb, 0,
 				 "ip_vs_nat_xmit_v6(): frag needed for");
@@ -465,12 +465,12 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	if (!skb_make_writable(skb, sizeof(struct ipv6hdr)))
 		goto tx_error_put;
 
-	if (skb_cow(skb, rt->u.dst.dev->hard_header_len))
+	if (skb_cow(skb, rt->dst.dev->hard_header_len))
 		goto tx_error_put;
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/* mangle the packet */
 	if (pp->dnat_handler && !pp->dnat_handler(skb, pp, cp))
@@ -498,7 +498,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	kfree_skb(skb);
 	return NF_STOLEN;
 tx_error_put:
-	dst_release(&rt->u.dst);
+	dst_release(&rt->dst);
 	goto tx_error;
 }
 #endif
@@ -549,9 +549,9 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	if (!(rt = __ip_vs_get_out_rt(cp, RT_TOS(tos))))
 		goto tx_error_icmp;
 
-	tdev = rt->u.dst.dev;
+	tdev = rt->dst.dev;
 
-	mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
+	mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr);
 	if (mtu < 68) {
 		ip_rt_put(rt);
 		IP_VS_DBG_RL("%s(): mtu less than 68\n", __func__);
@@ -601,7 +601,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/*
 	 *	Push down and install the IPIP header.
@@ -615,7 +615,7 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	iph->daddr		=	rt->rt_dst;
 	iph->saddr		=	rt->rt_src;
 	iph->ttl		=	old_iph->ttl;
-	ip_select_ident(iph, &rt->u.dst, NULL);
+	ip_select_ident(iph, &rt->dst, NULL);
 
 	/* Another hack: avoid icmp_send in ip_fragment */
 	skb->local_df = 1;
@@ -660,12 +660,12 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	if (!rt)
 		goto tx_error_icmp;
 
-	tdev = rt->u.dst.dev;
+	tdev = rt->dst.dev;
 
-	mtu = dst_mtu(&rt->u.dst) - sizeof(struct ipv6hdr);
+	mtu = dst_mtu(&rt->dst) - sizeof(struct ipv6hdr);
 	/* TODO IPv6: do we need this check in IPv6? */
 	if (mtu < 1280) {
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		IP_VS_DBG_RL("%s(): mtu less than 1280\n", __func__);
 		goto tx_error;
 	}
@@ -674,7 +674,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	if (mtu < ntohs(old_iph->payload_len) + sizeof(struct ipv6hdr)) {
 		icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
 		goto tx_error;
 	}
@@ -689,7 +689,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 		struct sk_buff *new_skb =
 			skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
-			dst_release(&rt->u.dst);
+			dst_release(&rt->dst);
 			kfree_skb(skb);
 			IP_VS_ERR_RL("%s(): no memory\n", __func__);
 			return NF_STOLEN;
@@ -707,7 +707,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/*
 	 *	Push down and install the IPIP header.
@@ -760,7 +760,7 @@ ip_vs_dr_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 		goto tx_error_icmp;
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if ((iph->frag_off & htons(IP_DF)) && skb->len > mtu) {
 		icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
 		ip_rt_put(rt);
@@ -780,7 +780,7 @@ ip_vs_dr_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/* Another hack: avoid icmp_send in ip_fragment */
 	skb->local_df = 1;
@@ -813,10 +813,10 @@ ip_vs_dr_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 		goto tx_error_icmp;
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if (skb->len > mtu) {
 		icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
 		goto tx_error;
 	}
@@ -827,13 +827,13 @@ ip_vs_dr_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	 */
 	skb = skb_share_check(skb, GFP_ATOMIC);
 	if (unlikely(skb == NULL)) {
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		return NF_STOLEN;
 	}
 
 	/* drop old route */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	/* Another hack: avoid icmp_send in ip_fragment */
 	skb->local_df = 1;
@@ -888,7 +888,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 		goto tx_error_icmp;
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if ((skb->len > mtu) && (ip_hdr(skb)->frag_off & htons(IP_DF))) {
 		ip_rt_put(rt);
 		icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
@@ -900,12 +900,12 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	if (!skb_make_writable(skb, offset))
 		goto tx_error_put;
 
-	if (skb_cow(skb, rt->u.dst.dev->hard_header_len))
+	if (skb_cow(skb, rt->dst.dev->hard_header_len))
 		goto tx_error_put;
 
 	/* drop the old route when skb is not shared */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	ip_vs_nat_icmp(skb, pp, cp, 0);
 
@@ -963,9 +963,9 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 		goto tx_error_icmp;
 
 	/* MTU checking */
-	mtu = dst_mtu(&rt->u.dst);
+	mtu = dst_mtu(&rt->dst);
 	if (skb->len > mtu) {
-		dst_release(&rt->u.dst);
+		dst_release(&rt->dst);
 		icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
 		goto tx_error;
@@ -975,12 +975,12 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	if (!skb_make_writable(skb, offset))
 		goto tx_error_put;
 
-	if (skb_cow(skb, rt->u.dst.dev->hard_header_len))
+	if (skb_cow(skb, rt->dst.dev->hard_header_len))
 		goto tx_error_put;
 
 	/* drop the old route when skb is not shared */
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
+	skb_dst_set(skb, &rt->dst);
 
 	ip_vs_nat_icmp_v6(skb, pp, cp, 0);
 
@@ -1001,7 +1001,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	LeaveFunction(10);
 	return rc;
 tx_error_put:
-	dst_release(&rt->u.dst);
+	dst_release(&rt->dst);
 	goto tx_error;
 }
 #endif

net/netfilter/nf_conntrack_h323_main.c

@@ -734,11 +734,11 @@ static int callforward_do_filter(const union nf_inet_addr *src,
 		if (!afinfo->route((struct dst_entry **)&rt1, &fl1)) {
 			if (!afinfo->route((struct dst_entry **)&rt2, &fl2)) {
 				if (rt1->rt_gateway == rt2->rt_gateway &&
-				    rt1->u.dst.dev  == rt2->u.dst.dev)
+				    rt1->dst.dev  == rt2->dst.dev)
 					ret = 1;
-				dst_release(&rt2->u.dst);
+				dst_release(&rt2->dst);
 			}
-			dst_release(&rt1->u.dst);
+			dst_release(&rt1->dst);
 		}
 		break;
 	}
@@ -753,11 +753,11 @@ static int callforward_do_filter(const union nf_inet_addr *src,
 			if (!afinfo->route((struct dst_entry **)&rt2, &fl2)) {
 				if (!memcmp(&rt1->rt6i_gateway, &rt2->rt6i_gateway,
 					    sizeof(rt1->rt6i_gateway)) &&
-				    rt1->u.dst.dev == rt2->u.dst.dev)
+				    rt1->dst.dev == rt2->dst.dev)
 					ret = 1;
-				dst_release(&rt2->u.dst);
+				dst_release(&rt2->dst);
 			}
-			dst_release(&rt1->u.dst);
+			dst_release(&rt1->dst);
 		}
 		break;
 	}

net/netfilter/nf_conntrack_netbios_ns.c

@@ -61,7 +61,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
 		goto out;
 
 	rcu_read_lock();
-	in_dev = __in_dev_get_rcu(rt->u.dst.dev);
+	in_dev = __in_dev_get_rcu(rt->dst.dev);
 	if (in_dev != NULL) {
 		for_primary_ifa(in_dev) {
 			if (ifa->ifa_broadcast == iph->daddr) {

net/netfilter/xt_TCPMSS.c

@@ -165,8 +165,8 @@ static u_int32_t tcpmss_reverse_mtu(const struct sk_buff *skb,
 	rcu_read_unlock();
 
 	if (rt != NULL) {
-		mtu = dst_mtu(&rt->u.dst);
-		dst_release(&rt->u.dst);
+		mtu = dst_mtu(&rt->dst);
+		dst_release(&rt->dst);
 	}
 	return mtu;
 }

net/netfilter/xt_TEE.c

@@ -77,8 +77,8 @@ tee_tg_route4(struct sk_buff *skb, const struct xt_tee_tginfo *info)
 		return false;
 
 	skb_dst_drop(skb);
-	skb_dst_set(skb, &rt->u.dst);
-	skb->dev      = rt->u.dst.dev;
+	skb_dst_set(skb, &rt->dst);
+	skb->dev      = rt->dst.dev;
 	skb->protocol = htons(ETH_P_IP);
 	return true;
 }

net/rxrpc/ar-peer.c

@@ -64,8 +64,8 @@ static void rxrpc_assess_MTU_size(struct rxrpc_peer *peer)
 		return;
 	}
 
-	peer->if_mtu = dst_mtu(&rt->u.dst);
-	dst_release(&rt->u.dst);
+	peer->if_mtu = dst_mtu(&rt->dst);
+	dst_release(&rt->dst);
 
 	_leave(" [if_mtu %u]", peer->if_mtu);
 }

net/sctp/protocol.c

@@ -490,7 +490,7 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
 			  __func__, &fl.fl4_dst, &fl.fl4_src);
 
 	if (!ip_route_output_key(&init_net, &rt, &fl)) {
-		dst = &rt->u.dst;
+		dst = &rt->dst;
 	}
 
 	/* If there is no association or if a source address is passed, no
@@ -534,7 +534,7 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
 			fl.fl4_src = laddr->a.v4.sin_addr.s_addr;
 			fl.fl_ip_sport = laddr->a.v4.sin_port;
 			if (!ip_route_output_key(&init_net, &rt, &fl)) {
-				dst = &rt->u.dst;
+				dst = &rt->dst;
 				goto out_unlock;
 			}
 		}