diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index e7c78293002a..f6396925722d 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -1659,6 +1659,7 @@ void airoha_ppe_deinit(struct airoha_eth *eth)
 	npu = rcu_replace_pointer(eth->npu, NULL,
 				  lockdep_is_held(&flow_offload_mutex));
 	if (npu) {
+		synchronize_rcu();
 		npu->ops.ppe_deinit(npu);
 		airoha_npu_put(npu);
 	}