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-rw-r--r--kernel/trace/trace_events_hist.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 038dc591545d..c6a65738feb3 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -2093,8 +2093,11 @@ static int init_var_ref(struct hist_field *ref_field,
return err;
free:
kfree(ref_field->system);
+ ref_field->system = NULL;
kfree(ref_field->event_name);
+ ref_field->event_name = NULL;
kfree(ref_field->name);
+ ref_field->name = NULL;
goto out;
}