1 files changed, 11 insertions, 2 deletions

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index ce37e95bc513..b1c475d9b240 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -348,9 +348,18 @@ struct symbol *map__find_symbol_by_name(struct map *map, const char *name,
         return dso__find_symbol_by_name(map->dso, map->type, name);
 }
 
-struct map *map__clone(struct map *map)
+struct map *map__clone(struct map *from)
 {
-        return memdup(map, sizeof(*map));
+        struct map *map = memdup(from, sizeof(*map));
+
+        if (map != NULL) {
+                atomic_set(&map->refcnt, 1);
+                RB_CLEAR_NODE(&map->rb_node);
+                dso__get(map->dso);
+                map->groups = NULL;
+        }
+
+        return map;
 }
 
 int map__overlap(struct map *l, struct map *r)