The nr_entries variable is increased inside the loop in the function
but it always count the first entry regardless of it's filtered or
not; caused an off-by-one error.
It'd become a problem especially there's no entry at all - it'd get a
segfault during referencing a NULL pointer.
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/ui/browsers/hists.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 4d416984c59d..311226edae12 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1348,10 +1348,10 @@ static void hist_browser__update_pcnt_entries(struct
hist_browser *hb)
u64 nr_entries = 0;
struct rb_node *nd = rb_first(&hb->hists->entries);
- while (nd) {
+ while ((nd = hists__filter_entries(nd, hb->hists,
+ hb->min_pcnt)) != NULL) {
nr_entries++;
- nd = hists__filter_entries(rb_next(nd), hb->hists,
- hb->min_pcnt);
+ nd = rb_next(nd);
}
hb->nr_pcnt_entries = nr_entries;
--
1.9.2
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