diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
--- a/sys/cam/scsi/scsi_da.c
+++ b/sys/cam/scsi/scsi_da.c
@@ -4610,7 +4610,6 @@
 			cam_periph_unlock(periph);
 			return;
 		}
-		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
 		if (error != 0) {
 			bool pack_invalid =
 			    (softc->flags & DA_FLAG_PACK_INVALID) != 0;