diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 63ba6306632e..e540b022ceb2 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -266,12 +266,13 @@ void ftrace_graph_func(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *op, struct ftrace_regs *fregs) { unsigned long *parent = &arch_ftrace_regs(fregs)->regs.gprs[14]; + unsigned long sp = arch_ftrace_regs(fregs)->regs.gprs[15]; if (unlikely(ftrace_graph_is_dead())) return; if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; - if (!function_graph_enter_regs(*parent, ip, 0, parent, fregs)) + if (!function_graph_enter_regs(*parent, ip, 0, (unsigned long *)sp, fregs)) *parent = (unsigned long)&return_to_handler; }