diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 6efb0b66a30d..7b9dd4f62569 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3496,7 +3496,7 @@ static int rcu_pending(void)
  * non-NULL, store an indication of whether all callbacks are lazy.
  * (If there are no callbacks, all of them are deemed to be lazy.)
  */
-static int __maybe_unused rcu_cpu_has_callbacks(bool *all_lazy)
+static bool __maybe_unused rcu_cpu_has_callbacks(bool *all_lazy)
 {
 	bool al = true;
 	bool hc = false;