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-rw-r--r--arch/sparc/kernel/perf_event.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 47c871394ccb..6de7c684c29f 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1767,9 +1767,11 @@ void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
perf_callchain_store(entry, pc);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
if ((pc + 8UL) == (unsigned long) &return_to_handler) {
- int index = current->curr_ret_stack;
- if (current->ret_stack && index >= graph) {
- pc = current->ret_stack[index - graph].ret;
+ struct ftrace_ret_stack *ret_stack;
+ ret_stack = ftrace_graph_get_ret_stack(current,
+ graph);
+ if (ret_stack) {
+ pc = ret_stack->ret;
perf_callchain_store(entry, pc);
graph++;
}