diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index 9e1cb2e..646b1e3 100644
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -521,6 +521,7 @@ static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t len)
 /* Callback to indicate that the SCSI layer has completed a transfer.  */
 static void vscsi_command_complete(SCSIRequest *sreq, uint32_t status)
 {
+    VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent);
     vscsi_req *req = sreq->hba_private;
     int32_t res_in = 0, res_out = 0;