Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
index 3a5e31b..2881788 100644
--- a/drivers/crypto/nx/nx.c
+++ b/drivers/crypto/nx/nx.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /**
  * Routines supporting the Power 7+ Nest Accelerators driver
  *
  * Copyright (C) 2011-2012 International Business Machines Inc.
  *
- * 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 only.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
  * Author: Kent Yoder <yoder1@us.ibm.com>
  */
 
@@ -581,9 +569,7 @@
 
 	memset(&nx_driver.stats, 0, sizeof(struct nx_stats));
 
-	rc = NX_DEBUGFS_INIT(&nx_driver);
-	if (rc)
-		goto out;
+	NX_DEBUGFS_INIT(&nx_driver);
 
 	nx_driver.of.status = NX_OKAY;