inet: Consolidate inetpeer_invalidate_tree() interfaces.

We only need one interface for this operation, since we always know
which inetpeer root we want to flush.

Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/inetpeer.h

@@ -113,8 +113,7 @@ static inline struct inet_peer *inet_getpeer_v6(struct net *net,
 extern void inet_putpeer(struct inet_peer *p);
 extern bool inet_peer_xrlim_allow(struct inet_peer *peer, int timeout);
 
-extern void __inetpeer_invalidate_tree(struct inet_peer_base *);
-extern void inetpeer_invalidate_tree(struct net *net, int family);
+extern void inetpeer_invalidate_tree(struct inet_peer_base *);
 
 /*
  * temporary check to make sure we dont access rid, ip_id_count, tcp_ts,

net/ipv4/inetpeer.c

@@ -564,7 +564,7 @@ static void inetpeer_inval_rcu(struct rcu_head *head)
 	schedule_delayed_work(&gc_work, gc_delay);
 }
 
-void __inetpeer_invalidate_tree(struct inet_peer_base *base)
+void inetpeer_invalidate_tree(struct inet_peer_base *base)
 {
 	struct inet_peer *old, *new, *prev;
 
@@ -585,12 +585,4 @@ void __inetpeer_invalidate_tree(struct inet_peer_base *base)
 out:
 	write_sequnlock_bh(&base->lock);
 }
-EXPORT_SYMBOL(__inetpeer_invalidate_tree);
-
-void inetpeer_invalidate_tree(struct net *net, int family)
-{
-	struct inet_peer_base *base = family_to_base(net, family);
-
-	__inetpeer_invalidate_tree(base);
-}
 EXPORT_SYMBOL(inetpeer_invalidate_tree);

net/ipv4/route.c

@@ -935,7 +935,7 @@ static void rt_cache_invalidate(struct net *net)
 
 	get_random_bytes(&shuffle, sizeof(shuffle));
 	atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
-	inetpeer_invalidate_tree(net, AF_INET);
+	inetpeer_invalidate_tree(net->ipv4.peers);
 }
 
 /*
@@ -3401,7 +3401,7 @@ static void __net_exit ipv4_inetpeer_exit(struct net *net)
 	struct inet_peer_base *bp = net->ipv4.peers;
 
 	net->ipv4.peers = NULL;
-	__inetpeer_invalidate_tree(bp);
+	inetpeer_invalidate_tree(bp);
 	kfree(bp);
 }
 

net/ipv6/route.c

@@ -3012,7 +3012,7 @@ static void __net_exit ipv6_inetpeer_exit(struct net *net)
 	struct inet_peer_base *bp = net->ipv6.peers;
 
 	net->ipv6.peers = NULL;
-	__inetpeer_invalidate_tree(bp);
+	inetpeer_invalidate_tree(bp);
 	kfree(bp);
 }