diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index a5ea1bc..c15fd2e 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -200,7 +200,7 @@
 	src_in->sin_family = AF_INET;
 	src_in->sin_addr.s_addr = rt->rt_src;
 
-	if (rt->idev->dev->flags & IFF_LOOPBACK) {
+	if (rt->dst.dev->flags & IFF_LOOPBACK) {
 		ret = rdma_translate_ip((struct sockaddr *) dst_in, addr);
 		if (!ret)
 			memcpy(addr->dst_dev_addr, addr->src_dev_addr, MAX_ADDR_LEN);
@@ -208,12 +208,12 @@
 	}
 
 	/* If the device does ARP internally, return 'done' */
-	if (rt->idev->dev->flags & IFF_NOARP) {
-		rdma_copy_addr(addr, rt->idev->dev, NULL);
+	if (rt->dst.dev->flags & IFF_NOARP) {
+		rdma_copy_addr(addr, rt->dst.dev, NULL);
 		goto put;
 	}
 
-	neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->idev->dev);
+	neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->dst.dev);
 	if (!neigh || !(neigh->nud_state & NUD_VALID)) {
 		neigh_event_send(rt->dst.neighbour, NULL);
 		ret = -ENODATA;
diff --git a/include/net/route.h b/include/net/route.h
index 7e5e73b..cea533e 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -55,8 +55,6 @@
 	/* Cache lookup keys */
 	struct flowi		fl;
 
-	struct in_device	*idev;
-	
 	int			rt_genid;
 	unsigned		rt_flags;
 	__u16			rt_type;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 987bf9ad..5955965 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -140,13 +140,15 @@
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie);
 static void		 ipv4_dst_destroy(struct dst_entry *dst);
-static void		 ipv4_dst_ifdown(struct dst_entry *dst,
-					 struct net_device *dev, int how);
 static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst);
 static void		 ipv4_link_failure(struct sk_buff *skb);
 static void		 ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu);
 static int rt_garbage_collect(struct dst_ops *ops);
 
+static void ipv4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
+			    int how)
+{
+}
 
 static struct dst_ops ipv4_dst_ops = {
 	.family =		AF_INET,
@@ -1433,8 +1435,6 @@
 				rt->dst.child		= NULL;
 				if (rt->dst.dev)
 					dev_hold(rt->dst.dev);
-				if (rt->idev)
-					in_dev_hold(rt->idev);
 				rt->dst.obsolete	= -1;
 				rt->dst.lastuse	= jiffies;
 				rt->dst.path		= &rt->dst;
@@ -1728,33 +1728,13 @@
 {
 	struct rtable *rt = (struct rtable *) dst;
 	struct inet_peer *peer = rt->peer;
-	struct in_device *idev = rt->idev;
 
 	if (peer) {
 		rt->peer = NULL;
 		inet_putpeer(peer);
 	}
-
-	if (idev) {
-		rt->idev = NULL;
-		in_dev_put(idev);
-	}
 }
 
-static void ipv4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
-			    int how)
-{
-	struct rtable *rt = (struct rtable *) dst;
-	struct in_device *idev = rt->idev;
-	if (dev != dev_net(dev)->loopback_dev && idev && idev->dev == dev) {
-		struct in_device *loopback_idev =
-			in_dev_get(dev_net(dev)->loopback_dev);
-		if (loopback_idev) {
-			rt->idev = loopback_idev;
-			in_dev_put(idev);
-		}
-	}
-}
 
 static void ipv4_link_failure(struct sk_buff *skb)
 {
@@ -1910,7 +1890,6 @@
 	rth->fl.iif	= dev->ifindex;
 	rth->dst.dev	= init_net.loopback_dev;
 	dev_hold(rth->dst.dev);
-	rth->idev	= in_dev_get(rth->dst.dev);
 	rth->fl.oif	= 0;
 	rth->rt_gateway	= daddr;
 	rth->rt_spec_dst= spec_dst;
@@ -2050,7 +2029,6 @@
 		rth->fl.iif	= in_dev->dev->ifindex;
 	rth->dst.dev	= (out_dev)->dev;
 	dev_hold(rth->dst.dev);
-	rth->idev	= in_dev_get(rth->dst.dev);
 	rth->fl.oif 	= 0;
 	rth->rt_spec_dst= spec_dst;
 
@@ -2231,7 +2209,6 @@
 	rth->fl.iif	= dev->ifindex;
 	rth->dst.dev	= net->loopback_dev;
 	dev_hold(rth->dst.dev);
-	rth->idev	= in_dev_get(rth->dst.dev);
 	rth->rt_gateway	= daddr;
 	rth->rt_spec_dst= spec_dst;
 	rth->dst.input= ip_local_deliver;
@@ -2417,9 +2394,6 @@
 	if (!rth)
 		return -ENOBUFS;
 
-	in_dev_hold(in_dev);
-	rth->idev = in_dev;
-
 	atomic_set(&rth->dst.__refcnt, 1);
 	rth->dst.flags= DST_HOST;
 	if (IN_DEV_CONF_GET(in_dev, NOXFRM))
@@ -2759,9 +2733,6 @@
 
 		rt->fl = ort->fl;
 
-		rt->idev = ort->idev;
-		if (rt->idev)
-			in_dev_hold(rt->idev);
 		rt->rt_genid = rt_genid(net);
 		rt->rt_flags = ort->rt_flags;
 		rt->rt_type = ort->rt_type;
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 4464f3b..dd1fd8c 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -80,10 +80,6 @@
 	xdst->u.dst.dev = dev;
 	dev_hold(dev);
 
-	xdst->u.rt.idev = in_dev_get(dev);
-	if (!xdst->u.rt.idev)
-		return -ENODEV;
-
 	xdst->u.rt.peer = rt->peer;
 	if (rt->peer)
 		atomic_inc(&rt->peer->refcnt);
@@ -189,8 +185,6 @@
 {
 	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
 
-	if (likely(xdst->u.rt.idev))
-		in_dev_put(xdst->u.rt.idev);
 	if (likely(xdst->u.rt.peer))
 		inet_putpeer(xdst->u.rt.peer);
 	xfrm_dst_destroy(xdst);
@@ -199,27 +193,9 @@
 static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 			     int unregister)
 {
-	struct xfrm_dst *xdst;
-
 	if (!unregister)
 		return;
 
-	xdst = (struct xfrm_dst *)dst;
-	if (xdst->u.rt.idev->dev == dev) {
-		struct in_device *loopback_idev =
-			in_dev_get(dev_net(dev)->loopback_dev);
-		BUG_ON(!loopback_idev);
-
-		do {
-			in_dev_put(xdst->u.rt.idev);
-			xdst->u.rt.idev = loopback_idev;
-			in_dev_hold(loopback_idev);
-			xdst = (struct xfrm_dst *)xdst->u.dst.child;
-		} while (xdst->u.dst.xfrm);
-
-		__in_dev_put(loopback_idev);
-	}
-
 	xfrm_dst_ifdown(dst, dev);
 }