net/ipv6: Rename addrconf_dst_alloc

addrconf_dst_alloc now returns a fib6_info. Update the name
and its users to reflect the change.

Rename only; no functional change intended.
Signed-off-by: NDavid Ahern <dsahern@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/ip6_route.h

@@ -136,7 +136,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, struct flowi6 *fl6);
 
 void fib6_force_start_gc(struct net *net);
 
-struct fib6_info *addrconf_dst_alloc(struct net *net, struct inet6_dev *idev,
+struct fib6_info *addrconf_f6i_alloc(struct net *net, struct inet6_dev *idev,
 				     const struct in6_addr *addr, bool anycast,
 				     gfp_t gfp_flags);
 

net/ipv6/addrconf.c

@@ -994,7 +994,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
 	gfp_t gfp_flags = can_block ? GFP_KERNEL : GFP_ATOMIC;
 	struct net *net = dev_net(idev->dev);
 	struct inet6_ifaddr *ifa = NULL;
-	struct fib6_info *rt = NULL;
+	struct fib6_info *f6i = NULL;
 	int err = 0;
 	int addr_type = ipv6_addr_type(addr);
 
@@ -1036,16 +1036,16 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
 		goto out;
 	}
 
-	rt = addrconf_dst_alloc(net, idev, addr, false, gfp_flags);
-	if (IS_ERR(rt)) {
-		err = PTR_ERR(rt);
-		rt = NULL;
+	f6i = addrconf_f6i_alloc(net, idev, addr, false, gfp_flags);
+	if (IS_ERR(f6i)) {
+		err = PTR_ERR(f6i);
+		f6i = NULL;
 		goto out;
 	}
 
 	if (net->ipv6.devconf_all->disable_policy ||
 	    idev->cnf.disable_policy)
-		rt->dst_nopolicy = true;
+		f6i->dst_nopolicy = true;
 
 	neigh_parms_data_state_setall(idev->nd_parms);
 
@@ -1067,7 +1067,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
 	ifa->cstamp = ifa->tstamp = jiffies;
 	ifa->tokenized = false;
 
-	ifa->rt = rt;
+	ifa->rt = f6i;
 
 	ifa->idev = idev;
 	in6_dev_hold(idev);
@@ -1101,7 +1101,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
 	inet6addr_notifier_call_chain(NETDEV_UP, ifa);
 out:
 	if (unlikely(err < 0)) {
-		fib6_info_release(rt);
+		fib6_info_release(f6i);
 
 		if (ifa) {
 			if (ifa->idev)
@@ -3346,17 +3346,17 @@ static int fixup_permanent_addr(struct net *net,
 	 * case regenerate the host route.
 	 */
 	if (!ifp->rt || !ifp->rt->fib6_node) {
-		struct fib6_info *rt, *prev;
+		struct fib6_info *f6i, *prev;
 
-		rt = addrconf_dst_alloc(net, idev, &ifp->addr, false,
-					GFP_ATOMIC);
-		if (IS_ERR(rt))
-			return PTR_ERR(rt);
+		f6i = addrconf_f6i_alloc(net, idev, &ifp->addr, false,
+					 GFP_ATOMIC);
+		if (IS_ERR(f6i))
+			return PTR_ERR(f6i);
 
 		/* ifp->rt can be accessed outside of rtnl */
 		spin_lock(&ifp->lock);
 		prev = ifp->rt;
-		ifp->rt = rt;
+		ifp->rt = f6i;
 		spin_unlock(&ifp->lock);
 
 		fib6_info_release(prev);

net/ipv6/anycast.c

@@ -247,7 +247,7 @@ static struct ifacaddr6 *aca_alloc(struct fib6_info *f6i,
 int __ipv6_dev_ac_inc(struct inet6_dev *idev, const struct in6_addr *addr)
 {
 	struct ifacaddr6 *aca;
-	struct fib6_info *rt;
+	struct fib6_info *f6i;
 	struct net *net;
 	int err;
 
@@ -268,14 +268,14 @@ int __ipv6_dev_ac_inc(struct inet6_dev *idev, const struct in6_addr *addr)
 	}
 
 	net = dev_net(idev->dev);
-	rt = addrconf_dst_alloc(net, idev, addr, true, GFP_ATOMIC);
-	if (IS_ERR(rt)) {
-		err = PTR_ERR(rt);
+	f6i = addrconf_f6i_alloc(net, idev, addr, true, GFP_ATOMIC);
+	if (IS_ERR(f6i)) {
+		err = PTR_ERR(f6i);
 		goto out;
 	}
-	aca = aca_alloc(rt, addr);
+	aca = aca_alloc(f6i, addr);
 	if (!aca) {
-		fib6_info_release(rt);
+		fib6_info_release(f6i);
 		err = -ENOMEM;
 		goto out;
 	}
@@ -289,7 +289,7 @@ int __ipv6_dev_ac_inc(struct inet6_dev *idev, const struct in6_addr *addr)
 	aca_get(aca);
 	write_unlock_bh(&idev->lock);
 
-	ip6_ins_rt(net, rt);
+	ip6_ins_rt(net, f6i);
 
 	addrconf_join_solict(idev->dev, &aca->aca_addr);
 

net/ipv6/route.c

@@ -3591,44 +3591,44 @@ static int ip6_pkt_prohibit_out(struct net *net, struct sock *sk, struct sk_buff
  *	Allocate a dst for local (unicast / anycast) address.
  */
 
-struct fib6_info *addrconf_dst_alloc(struct net *net,
-				    struct inet6_dev *idev,
-				    const struct in6_addr *addr,
-				    bool anycast, gfp_t gfp_flags)
+struct fib6_info *addrconf_f6i_alloc(struct net *net,
+				     struct inet6_dev *idev,
+				     const struct in6_addr *addr,
+				     bool anycast, gfp_t gfp_flags)
 {
 	u32 tb_id;
 	struct net_device *dev = idev->dev;
-	struct fib6_info *rt;
+	struct fib6_info *f6i;
 
-	rt = fib6_info_alloc(gfp_flags);
-	if (!rt)
+	f6i = fib6_info_alloc(gfp_flags);
+	if (!f6i)
 		return ERR_PTR(-ENOMEM);
 
-	rt->dst_nocount = true;
+	f6i->dst_nocount = true;
 
 	in6_dev_hold(idev);
-	rt->fib6_idev = idev;
+	f6i->fib6_idev = idev;
 
-	rt->dst_host = true;
-	rt->fib6_protocol = RTPROT_KERNEL;
-	rt->fib6_flags = RTF_UP | RTF_NONEXTHOP;
+	f6i->dst_host = true;
+	f6i->fib6_protocol = RTPROT_KERNEL;
+	f6i->fib6_flags = RTF_UP | RTF_NONEXTHOP;
 	if (anycast) {
-		rt->fib6_type = RTN_ANYCAST;
-		rt->fib6_flags |= RTF_ANYCAST;
+		f6i->fib6_type = RTN_ANYCAST;
+		f6i->fib6_flags |= RTF_ANYCAST;
 	} else {
-		rt->fib6_type = RTN_LOCAL;
-		rt->fib6_flags |= RTF_LOCAL;
+		f6i->fib6_type = RTN_LOCAL;
+		f6i->fib6_flags |= RTF_LOCAL;
 	}
 
-	rt->fib6_nh.nh_gw = *addr;
+	f6i->fib6_nh.nh_gw = *addr;
 	dev_hold(dev);
-	rt->fib6_nh.nh_dev = dev;
-	rt->fib6_dst.addr = *addr;
-	rt->fib6_dst.plen = 128;
+	f6i->fib6_nh.nh_dev = dev;
+	f6i->fib6_dst.addr = *addr;
+	f6i->fib6_dst.plen = 128;
 	tb_id = l3mdev_fib_table(idev->dev) ? : RT6_TABLE_LOCAL;
-	rt->fib6_table = fib6_get_table(net, tb_id);
+	f6i->fib6_table = fib6_get_table(net, tb_id);
 
-	return rt;
+	return f6i;
 }
 
 /* remove deleted ip from prefsrc entries */