static int ibmveth_register_logical_lan(struct ibmveth_adapter *adapter, union ibmveth_buf_desc rxq_desc, u64 mac_address) { int rc, try_again = 1; /* * After a kexec the adapter will still be open, so our attempt to * open it will fail. So if we get a failure we free the adapter and * try again, but only once. */ retry: rc = h_register_logical_lan(adapter->vdev->unit_address, adapter->buffer_list_dma, rxq_desc.desc, adapter->filter_list_dma, mac_address); if (rc != H_SUCCESS && try_again) { do { rc = h_free_logical_lan(adapter->vdev->unit_address); } while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY)); try_again = 0; goto retry; } return rc; }
static int ibmveth_register_logical_lan(struct ibmveth_adapter *adapter, union ibmveth_buf_desc rxq_desc, u64 mac_address) { int rc, try_again = 1; retry: rc = h_register_logical_lan(adapter->vdev->unit_address, adapter->buffer_list_dma, rxq_desc.desc, adapter->filter_list_dma, mac_address); if (rc != H_SUCCESS && try_again) { do { rc = h_free_logical_lan(adapter->vdev->unit_address); } while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY)); try_again = 0; goto retry; } return rc; }