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-rw-r--r--arch/mips/kernel/traps.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 549cbb8209a..303f0084302 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -158,7 +158,7 @@ static void show_stacktrace(struct task_struct *task, struct pt_regs *regs)
show_backtrace(task, regs);
}
-static noinline void prepare_frametrace(struct pt_regs *regs)
+static __always_inline void prepare_frametrace(struct pt_regs *regs)
{
__asm__ __volatile__(
"1: la $2, 1b\n\t"
@@ -200,17 +200,15 @@ void show_stack(struct task_struct *task, unsigned long *sp)
*/
void dump_stack(void)
{
- unsigned long stack;
+ struct pt_regs regs;
-#ifdef CONFIG_KALLSYMS
- if (!raw_show_trace) {
- struct pt_regs regs;
- prepare_frametrace(&regs);
- show_backtrace(current, &regs);
- return;
- }
-#endif
- show_raw_backtrace(&stack);
+ /*
+ * Remove any garbage that may be in regs (specially func
+ * addresses) to avoid show_raw_backtrace() to report them
+ */
+ memset(&regs, 0, sizeof(regs));
+ prepare_frametrace(&regs);
+ show_backtrace(current, &regs);
}
EXPORT_SYMBOL(dump_stack);