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/recvmsg.c b/net/rxrpc/recvmsg.c
index c5bac4e..a3fa2ed 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -147,9 +147,9 @@
 		if (!continue_call) {
 			if (msg->msg_name) {
 				size_t len =
-					sizeof(call->conn->trans->peer->srx);
+					sizeof(call->conn->params.peer->srx);
 				memcpy(msg->msg_name,
-				       &call->conn->trans->peer->srx, len);
+				       &call->conn->params.peer->srx, len);
 				msg->msg_namelen = len;
 			}
 			sock_recv_timestamp(msg, &rx->sk, skb);