Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index b564b1e..9f1c9c1 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
* Copyright (C) 2009 Matt Fleming
* Copyright (C) 2002 - 2012 Paul Mundt
- *
- * 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/kallsyms.h>
#include <linux/ftrace.h>
@@ -59,17 +56,20 @@
struct thread_info *tinfo, int *graph)
{
struct task_struct *task = tinfo->task;
+ struct ftrace_ret_stack *ret_stack;
unsigned long ret_addr;
- int index = task->curr_ret_stack;
if (addr != (unsigned long)return_to_handler)
return;
- if (!task->ret_stack || index < *graph)
+ if (!task->ret_stack)
return;
- index -= *graph;
- ret_addr = task->ret_stack[index].ret;
+ ret_stack = ftrace_graph_get_ret_stack(task, *graph);
+ if (!ret_stack)
+ return;
+
+ ret_addr = ret_stack->ret;
ops->address(data, ret_addr, 1);