libceph: fix sa_family just after reading address

It doesn't make sense to leave it undecoded until later.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

net/ceph/messenger.c

@@ -1732,12 +1732,14 @@ static int read_partial_banner(struct ceph_connection *con)
 	ret = read_partial(con, end, size, &con->actual_peer_addr);
 	if (ret <= 0)
 		goto out;
+	ceph_decode_addr(&con->actual_peer_addr);
 
 	size = sizeof (con->peer_addr_for_me);
 	end += size;
 	ret = read_partial(con, end, size, &con->peer_addr_for_me);
 	if (ret <= 0)
 		goto out;
+	ceph_decode_addr(&con->peer_addr_for_me);
 
 out:
 	return ret;
@@ -2010,9 +2012,6 @@ static int process_banner(struct ceph_connection *con)
 	if (verify_hello(con) < 0)
 		return -1;
 
-	ceph_decode_addr(&con->actual_peer_addr);
-	ceph_decode_addr(&con->peer_addr_for_me);
-
 	/*
 	 * Make sure the other end is who we wanted.  note that the other
 	 * end may not yet know their ip address, so if it's 0.0.0.0, give