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-rw-r--r--tools/perf/builtin-diff.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 1cbecaf029f..876a4b981be 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -51,12 +51,12 @@ static int diff__process_sample_event(event_t *event, struct perf_session *sessi
return -1;
}
- if (al.filtered)
+ if (al.filtered || al.sym == NULL)
return 0;
event__parse_sample(event, session->sample_type, &data);
- if (al.sym && perf_session__add_hist_entry(session, &al, data.period)) {
+ if (perf_session__add_hist_entry(session, &al, data.period)) {
pr_warning("problem incrementing symbol count, skipping event\n");
return -1;
}