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-rw-r--r--tools/perf/util/ui/browsers/hists.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index d7a1c4afe28b..2f83e5dc9967 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -125,6 +125,9 @@ static int callchain__count_rows(struct rb_root *chain)
static bool map_symbol__toggle_fold(struct map_symbol *self)
{
+ if (!self)
+ return false;
+
if (!self->has_children)
return false;