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-rw-r--r--tools/perf/util/callchain.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
index 98c5627f327..a8e67aa9ef4 100644
--- a/tools/perf/util/callchain.c
+++ b/tools/perf/util/callchain.c
@@ -336,5 +336,7 @@ __append_chain(struct callchain_node *root, struct ip_callchain *chain,
void append_chain(struct callchain_node *root, struct ip_callchain *chain,
struct symbol **syms)
{
+ if (!chain->nr)
+ return;
__append_chain_children(root, chain, syms, 0);
}