Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h
index 215f8f3..162d0e7 100644
--- a/security/selinux/ss/policydb.h
+++ b/security/selinux/ss/policydb.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * A policy database (policydb) specifies the
  * configuration data for the security policy.
@@ -16,16 +17,11 @@
  *
  * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc.
  * Copyright (C) 2003 - 2004 Tresys Technology, LLC
- *	This program is free software; you can redistribute it and/or modify
- *	it under the terms of the GNU General Public License as published by
- *	the Free Software Foundation, version 2.
  */
 
 #ifndef _SS_POLICYDB_H_
 #define _SS_POLICYDB_H_
 
-#include <linux/flex_array.h>
-
 #include "symtab.h"
 #include "avtab.h"
 #include "sidtab.h"
@@ -251,13 +247,13 @@
 #define p_cats symtab[SYM_CATS]
 
 	/* symbol names indexed by (value - 1) */
-	struct flex_array *sym_val_to_name[SYM_NUM];
+	char		**sym_val_to_name[SYM_NUM];
 
 	/* class, role, and user attributes indexed by (value - 1) */
 	struct class_datum **class_val_to_struct;
 	struct role_datum **role_val_to_struct;
 	struct user_datum **user_val_to_struct;
-	struct flex_array *type_val_to_struct_array;
+	struct type_datum **type_val_to_struct;
 
 	/* type enforcement access vectors and transitions */
 	struct avtab te_avtab;
@@ -294,7 +290,7 @@
 	struct hashtab *range_tr;
 
 	/* type -> attribute reverse mapping */
-	struct flex_array *type_attr_map_array;
+	struct ebitmap *type_attr_map_array;
 
 	struct ebitmap policycaps;
 
@@ -369,9 +365,7 @@
 
 static inline char *sym_name(struct policydb *p, unsigned int sym_num, unsigned int element_nr)
 {
-	struct flex_array *fa = p->sym_val_to_name[sym_num];
-
-	return flex_array_get_ptr(fa, element_nr);
+	return p->sym_val_to_name[sym_num][element_nr];
 }
 
 extern u16 string_to_security_class(struct policydb *p, const char *name);