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perf map: Check if the map still has some refcounts on exit

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We were checking just if it was still on some rb tree, but that is not
the only way that this map can still have references, map->refcnt is
there exactly for this, use it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-hany65tbeavsax7n3xvwl9pc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2019-10-25 15:14:50 -03:00
parent b86a9d918a
commit ee2555b612
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/map.c
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@ -288,7 +288,7 @@ bool map__has_symbols(const struct map *map)
static void map__exit(struct map *map)
{
BUG_ON(!RB_EMPTY_NODE(&map->rb_node));
BUG_ON(refcount_read(&map->refcnt) != 0);
dso__zput(map->dso);
}