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-rw-r--r--tools/perf/util/map.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index a5d57c201a30..cca871959f87 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -196,9 +196,7 @@ struct map *map__new(struct machine *machine, u64 start, u64 len,
* reading the header will have the build ID set and all future mmaps will
* have it missing.
*/
- down_read(&machine->dsos.lock);
- header_bid_dso = __dsos__find(&machine->dsos, filename, false);
- up_read(&machine->dsos.lock);
+ header_bid_dso = dsos__find(&machine->dsos, filename, false);
if (header_bid_dso && header_bid_dso->header_build_id) {
dso__set_build_id(dso, &header_bid_dso->bid);
dso->header_build_id = 1;