forked from Minki/linux
perf evlist: Fix for double free in tools/perf stat
Fix for double free bug in tools/perf due to dangling thread_map pointer in perf_evlist struct. Code path excercised when perf stat -C switch is used but not set and is followed by another switch. Example: perf stat -C -e. Signed-off-by: Yasser Shalabi <yassershalabi@gmail.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1412437077-13109-1-git-send-email-yassershalabi@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -1003,6 +1003,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target)
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out_delete_threads:
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thread_map__delete(evlist->threads);
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evlist->threads = NULL;
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return -1;
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}
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