rxrpc: Replace conn->trans->{local,peer} with conn->params.{local,peer}

Replace accesses of conn->trans->{local,peer} with
conn->params.{local,peer} thus making it easier for a future commit to
remove the rxrpc_transport struct.

This also reduces the number of memory accesses involved.

Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index 134c271..23c05ec 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -602,8 +602,8 @@
 	challenge.min_level	= htonl(0);
 	challenge.__padding	= 0;
 
-	msg.msg_name	= &conn->trans->peer->srx.transport.sin;
-	msg.msg_namelen	= sizeof(conn->trans->peer->srx.transport.sin);
+	msg.msg_name	= &conn->params.peer->srx.transport.sin;
+	msg.msg_namelen	= sizeof(conn->params.peer->srx.transport.sin);
 	msg.msg_control	= NULL;
 	msg.msg_controllen = 0;
 	msg.msg_flags	= 0;
@@ -630,7 +630,7 @@
 	whdr.serial = htonl(serial);
 	_proto("Tx CHALLENGE %%%u", serial);
 
-	ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len);
+	ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len);
 	if (ret < 0) {
 		_debug("sendmsg failed: %d", ret);
 		return -EAGAIN;
@@ -657,8 +657,8 @@
 
 	_enter("");
 
-	msg.msg_name	= &conn->trans->peer->srx.transport.sin;
-	msg.msg_namelen	= sizeof(conn->trans->peer->srx.transport.sin);
+	msg.msg_name	= &conn->params.peer->srx.transport.sin;
+	msg.msg_namelen	= sizeof(conn->params.peer->srx.transport.sin);
 	msg.msg_control	= NULL;
 	msg.msg_controllen = 0;
 	msg.msg_flags	= 0;
@@ -684,7 +684,7 @@
 	whdr.serial = htonl(serial);
 	_proto("Tx RESPONSE %%%u", serial);
 
-	ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len);
+	ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 3, len);
 	if (ret < 0) {
 		_debug("sendmsg failed: %d", ret);
 		return -EAGAIN;