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-rw-r--r--arch/sh/kernel/ftrace.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index 3c74f53..079d70e 100644
--- a/arch/sh/kernel/ftrace.c
+++ b/arch/sh/kernel/ftrace.c
@@ -344,6 +344,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
struct ftrace_graph_ent trace;
unsigned long return_hooker = (unsigned long)&return_to_handler;
+ if (unlikely(ftrace_graph_is_dead()))
+ return;
+
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return;
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