1 files changed, 17 insertions, 30 deletions

diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c
index 2abe2081a5e..bebaa43484b 100644
--- a/net/rxrpc/ar-peer.c
+++ b/net/rxrpc/ar-peer.c
@@ -16,6 +16,7 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/icmp.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include <net/ip.h>
@@ -35,36 +36,21 @@ static void rxrpc_destroy_peer(struct work_struct *work);
 static void rxrpc_assess_MTU_size(struct rxrpc_peer *peer)
 {
 	struct rtable *rt;
-	struct flowi fl;
-	int ret;
+	struct flowi4 fl4;
 
 	peer->if_mtu = 1500;
 
-	memset(&fl, 0, sizeof(fl));
-
-	switch (peer->srx.transport.family) {
-	case AF_INET:
-		fl.oif = 0;
-		fl.proto = IPPROTO_UDP,
-		fl.nl_u.ip4_u.saddr = 0;
-		fl.nl_u.ip4_u.daddr = peer->srx.transport.sin.sin_addr.s_addr;
-		fl.nl_u.ip4_u.tos = 0;
-		/* assume AFS.CM talking to AFS.FS */
-		fl.uli_u.ports.sport = htons(7001);
-		fl.uli_u.ports.dport = htons(7000);
-		break;
-	default:
-		BUG();
-	}
-
-	ret = ip_route_output_key(&init_net, &rt, &fl);
-	if (ret < 0) {
-		_leave(" [route err %d]", ret);
+	rt = ip_route_output_ports(&init_net, &fl4, NULL,
+				   peer->srx.transport.sin.sin_addr.s_addr, 0,
+				   htons(7000), htons(7001),
+				   IPPROTO_UDP, 0, 0);
+	if (IS_ERR(rt)) {
+		_leave(" [route err %ld]", PTR_ERR(rt));
 		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);
 }
@@ -123,10 +109,10 @@ struct rxrpc_peer *rxrpc_get_peer(struct sockaddr_rxrpc *srx, gfp_t gfp)
 	const char *new = "old";
 	int usage;
 
-	_enter("{%d,%d,%u.%u.%u.%u+%hu}",
+	_enter("{%d,%d,%pI4+%hu}",
 	       srx->transport_type,
 	       srx->transport_len,
-	       NIPQUAD(srx->transport.sin.sin_addr),
+	       &srx->transport.sin.sin_addr,
 	       ntohs(srx->transport.sin.sin_port));
 
 	/* search the peer list first */
@@ -171,21 +157,22 @@ struct rxrpc_peer *rxrpc_get_peer(struct sockaddr_rxrpc *srx, gfp_t gfp)
 	/* we can now add the new candidate to the list */
 	peer = candidate;
 	candidate = NULL;
+	usage = atomic_read(&peer->usage);
 
 	list_add_tail(&peer->link, &rxrpc_peers);
 	write_unlock_bh(&rxrpc_peer_lock);
 	new = "new";
 
 success:
-	_net("PEER %s %d {%d,%u,%u.%u.%u.%u+%hu}",
+	_net("PEER %s %d {%d,%u,%pI4+%hu}",
 	     new,
 	     peer->debug_id,
 	     peer->srx.transport_type,
 	     peer->srx.transport.family,
-	     NIPQUAD(peer->srx.transport.sin.sin_addr),
+	     &peer->srx.transport.sin.sin_addr,
 	     ntohs(peer->srx.transport.sin.sin_port));
 
-	_leave(" = %p {u=%d}", peer, atomic_read(&peer->usage));
+	_leave(" = %p {u=%d}", peer, usage);
 	return peer;
 
 	/* we found the peer in the list immediately */
@@ -242,7 +229,7 @@ found_UDP_peer:
 	return peer;
 
 new_UDP_peer:
-	_net("Rx UDP DGRAM from NEW peer %d", peer->debug_id);
+	_net("Rx UDP DGRAM from NEW peer");
 	read_unlock_bh(&rxrpc_peer_lock);
 	_leave(" = -EBUSY [new]");
 	return ERR_PTR(-EBUSY);