1 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index ad4626de4c2b..bbd76da27f22 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -56,6 +56,6 @@ static inline u64 cumul_hits(struct callchain_node *node)
 }
 
 int register_callchain_param(struct callchain_param *param);
-void append_chain(struct callchain_node *root, struct ip_callchain *chain,
-                  struct symbol **syms);
+int append_chain(struct callchain_node *root, struct ip_callchain *chain,
+                 struct symbol **syms);
 #endif  /* __PERF_CALLCHAIN_H */