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perf dso: Hold lock when accessing nsinfo
[linux-2.6-microblaze.git]
/
tools
/
perf
/
util
/
map.c
diff --git
a/tools/perf/util/map.c
b/tools/perf/util/map.c
index
e0aa4a2
..
f3a3d9b
100644
(file)
--- a/
tools/perf/util/map.c
+++ b/
tools/perf/util/map.c
@@
-181,7
+181,10
@@
struct map *map__new(struct machine *machine, u64 start, u64 len,
if (!(prot & PROT_EXEC))
dso__set_loaded(dso);
}
+ mutex_lock(&dso->lock);
+ nsinfo__put(dso->nsinfo);
dso->nsinfo = nsi;
+ mutex_unlock(&dso->lock);
if (build_id__is_defined(bid)) {
dso__set_build_id(dso, bid);