Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index 053a4ef..0520c0c 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -46,6 +46,7 @@
 	int			noresvport;
 	struct net		*net;
 	const struct nlmclnt_operations	*nlmclnt_ops;
+	const struct cred	*cred;
 };
 
 /*
@@ -75,7 +76,7 @@
 };
 
 extern int	nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl, void *data);
-extern int	lockd_up(struct net *net);
+extern int	lockd_up(struct net *net, const struct cred *cred);
 extern void	lockd_down(struct net *net);
 
 #endif /* LINUX_LOCKD_BIND_H */