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-rw-r--r--tools/perf/util/session.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 5d2fd52fe7b..fa9d652c2dc 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -166,6 +166,7 @@ void perf_session__delete(struct perf_session *self)
void perf_session__remove_thread(struct perf_session *self, struct thread *th)
{
+ self->last_match = NULL;
rb_erase(&th->rb_node, &self->threads);
/*
* We may have references to this thread, for instance in some hist_entry