perf hists: Initialize all of he->stat with zeroes

Not just nr_events and period.

Reported-by: Namhyung Kim <namhyung@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8nodd6b4bytyf1snf96oy531@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 7c6e73b1b7ea17512d30b6f273b76eb78aa6c47b..cb17e2a8c6ed49d95929984b3147178b3c02da5d 100644 (file)
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -742,9 +742,8 @@ static struct hist_entry *hists__add_dummy_entry(struct hists *hists,
 
        he = hist_entry__new(pair);
        if (he) {
-               he->stat.nr_events = 0;
-               he->stat.period    = 0;
-               he->hists          = hists;
+               memset(&he->stat, 0, sizeof(he->stat));
+               he->hists = hists;
                rb_link_node(&he->rb_node, parent, p);
                rb_insert_color(&he->rb_node, &hists->entries);
                hists__inc_nr_entries(hists, he);