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-rw-r--r--tools/perf/builtin-diff.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 8f6c784ce629..878e04b1fab7 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1236,7 +1236,8 @@ static int __cmd_diff(void)
out_delete:
data__for_each_file(i, d) {
- perf_session__delete(d->session);
+ if (!IS_ERR(d->session))
+ perf_session__delete(d->session);
data__free(d);
}