--- x/drivers/infiniband/core/device.c
+++ y/drivers/infiniband/core/device.c
@@ -506,6 +506,7 @@ static void ib_device_release(struct dev
 	if (dev->hw_stats_data)
 		ib_device_release_hw_stats(dev->hw_stats_data);
 	if (dev->port_data) {
+		ib_cache_cleanup_one(dev);
 		ib_cache_release_one(dev);
 		ib_security_release_port_pkey_list(dev);
 		rdma_counter_release(dev);