Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/media/dvb-frontends/dib9000.c b/drivers/media/dvb-frontends/dib9000.c
index 0183fb1..04d92d6 100644
--- a/drivers/media/dvb-frontends/dib9000.c
+++ b/drivers/media/dvb-frontends/dib9000.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Linux-DVB Driver for DiBcom's DiB9000 and demodulator-family.
  *
  * Copyright (C) 2005-10 DiBcom (http://www.dibcom.fr/)
- *
- * 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.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -1020,7 +1017,7 @@
 	if (address >= 1024 || !state->platform.risc.fw_is_running)
 		return -EINVAL;
 
-	/* dprintk( "APB access thru rd fw %d %x\n", address, attribute); */
+	/* dprintk( "APB access through rd fw %d %x\n", address, attribute); */
 
 	mb[0] = (u16) address;
 	mb[1] = len / 2;
@@ -1050,7 +1047,7 @@
 	if (len > 18)
 		return -EINVAL;
 
-	/* dprintk( "APB access thru wr fw %d %x\n", address, attribute); */
+	/* dprintk( "APB access through wr fw %d %x\n", address, attribute); */
 
 	mb[0] = (u16)address;
 	for (i = 0; i + 1 < len; i += 2)
@@ -2521,7 +2518,8 @@
 	dibx000_init_i2c_master(&st->i2c_master, DIB7000MC, st->i2c.i2c_adap, st->i2c.i2c_addr);
 
 	st->tuner_adap.dev.parent = i2c_adap->dev.parent;
-	strncpy(st->tuner_adap.name, "DIB9000_FW TUNER ACCESS", sizeof(st->tuner_adap.name));
+	strscpy(st->tuner_adap.name, "DIB9000_FW TUNER ACCESS",
+		sizeof(st->tuner_adap.name));
 	st->tuner_adap.algo = &dib9000_tuner_algo;
 	st->tuner_adap.algo_data = NULL;
 	i2c_set_adapdata(&st->tuner_adap, st);
@@ -2529,7 +2527,8 @@
 		goto error;
 
 	st->component_bus.dev.parent = i2c_adap->dev.parent;
-	strncpy(st->component_bus.name, "DIB9000_FW COMPONENT BUS ACCESS", sizeof(st->component_bus.name));
+	strscpy(st->component_bus.name, "DIB9000_FW COMPONENT BUS ACCESS",
+		sizeof(st->component_bus.name));
 	st->component_bus.algo = &dib9000_component_bus_algo;
 	st->component_bus.algo_data = NULL;
 	st->component_bus_speed = 340;