In the case of image fleecing, the node we choose as the source
for a blockdev-backup is going to be both a root node AND the
backing node for the exported image. It does not qualify as a root
image in this case.
Loosen the restriction.
Signed-off-by: John Snow <js...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
---
blockdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/blockdev.c b/blockdev.c
index 58d7570932..526f8b60be 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3517,7 +3517,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *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;
}
--
2.14.4
