Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 241e903..318296f 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel probes (kprobes) for SuperH
  *
  * Copyright (C) 2007 Chris Smith <chris.smith@st.com>
  * Copyright (C) 2006 Lineo Solutions, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #include <linux/kprobes.h>
 #include <linux/extable.h>
@@ -488,7 +485,8 @@
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
 
 	addr = (kprobe_opcode_t *) (args->regs->pc);
-	if (val == DIE_TRAP) {
+	if (val == DIE_TRAP &&
+	    args->trapnr == (BREAKPOINT_INSTRUCTION & 0xff)) {
 		if (!kprobe_running()) {
 			if (kprobe_handler(args->regs)) {
 				ret = NOTIFY_STOP;