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    Subject[PATCH 09/25] perf machine: Do not call map_groups__delete(), drop refcnt instead
    Date
    From: Arnaldo Carvalho de Melo <acme@redhat.com>

    It could be used somewhere, so just call map__groups_put() to make sure
    we don't delete it prematurely

    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: Borislav Petkov <bp@suse.de>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Don Zickus <dzickus@redhat.com>
    Cc: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Stephane Eranian <eranian@google.com>
    Link: http://lkml.kernel.org/n/tip-dxmh8mr12i65p8h909vi88cp@git.kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/util/machine.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
    index daa55910ff28..7ec3188d3cb3 100644
    --- a/tools/perf/util/machine.c
    +++ b/tools/perf/util/machine.c
    @@ -333,7 +333,7 @@ static void machine__update_thread_pid(struct machine *machine,
    if (!map_groups__empty(th->mg))
    pr_err("Discarding thread maps for %d:%d\n",
    th->pid_, th->tid);
    - map_groups__delete(th->mg);
    + map_groups__put(th->mg);
    }

    th->mg = map_groups__get(leader->mg);
    --
    2.1.0


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