1 files changed, 6 insertions, 1 deletions
diff --git a/blockdev.c b/blockdev.c
index 64ccef735b..17c2d801d7 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3466,11 +3466,16 @@ static BlockJob *do_drive_backup(DriveBackup *backup, JobTxn *txn,
         backup->compress = false;
     }
 
-    bs = qmp_get_root_bs(backup->device, errp);
+    bs = bdrv_lookup_bs(backup->device, backup->device, errp);
     if (!bs) {
         return NULL;
     }
 
+    if (!bs->drv) {
+        error_setg(errp, "Device has no medium");
+        return NULL;
+    }
+
     aio_context = bdrv_get_aio_context(bs);
     aio_context_acquire(aio_context);