Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c
index 8bf5637..7652e98 100644
--- a/drivers/media/rc/serial_ir.c
+++ b/drivers/media/rc/serial_ir.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * serial_ir.c
  *
@@ -10,15 +11,6 @@
  * Copyright (C) 1999 Christoph Bartelmus <lirc@bartelmus.de>
  * Copyright (C) 2007 Andrei Tanas <andrei@tanas.ca> (suspend/resume support)
  * Copyright (C) 2016 Sean Young <sean@mess.org> (port to rc-core)
- *  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; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  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.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -273,7 +265,7 @@
 {
 	/* simple noise filter */
 	static unsigned int ptr, pulse, space;
-	DEFINE_IR_RAW_EVENT(ev);
+	struct ir_raw_event ev = {};
 
 	if (ptr > 0 && is_pulse) {
 		pulse += l;
@@ -472,10 +464,10 @@
 
 static void serial_ir_timeout(struct timer_list *unused)
 {
-	DEFINE_IR_RAW_EVENT(ev);
-
-	ev.timeout = true;
-	ev.duration = serial_ir.rcdev->timeout;
+	struct ir_raw_event ev = {
+		.timeout = true,
+		.duration = serial_ir.rcdev->timeout
+	};
 	ir_raw_event_store_with_filter(serial_ir.rcdev, &ev);
 	ir_raw_event_handle(serial_ir.rcdev);
 }
@@ -773,8 +765,6 @@
 
 static int __init serial_ir_init_module(void)
 {
-	int result;
-
 	switch (type) {
 	case IR_HOMEBREW:
 	case IR_IRDEO:
@@ -802,12 +792,7 @@
 	if (sense != -1)
 		sense = !!sense;
 
-	result = serial_ir_init();
-	if (!result)
-		return 0;
-
-	serial_ir_exit();
-	return result;
+	return serial_ir_init();
 }
 
 static void __exit serial_ir_exit_module(void)