perf tools: Fix double free in perf test 21 (code-reading.c)

perf_evlist__delete() deletes attached cpu and thread maps
but the test is still using them, so remove them from the
evlist before deleting it.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Link: http://lkml.kernel.org/r/53465E3E.8070201@intel.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 653a8fe2db95..bfb186900ac0 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -504,6 +504,7 @@ static int do_test_code_reading(bool try_kcore)
                 if (ret < 0) {
                         if (!excl_kernel) {
                                 excl_kernel = true;
+                                perf_evlist__set_maps(evlist, NULL, NULL);
                                 perf_evlist__delete(evlist);
                                 evlist = NULL;
                                 continue;