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[Libguestfs] [PATCH v2] v2v: parse_libvirt_xml: number disks from 0



When parsing the libvirt XML, make sure to assign the IDs for disks
(s_disk_id) from 0 instead of 1.  This does not change the actual
behaviour, just makes the IDs like in all the other input modes not
based on libvirt XML.
---
 v2v/parse_libvirt_xml.ml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/v2v/parse_libvirt_xml.ml b/v2v/parse_libvirt_xml.ml
index 78a6e71c0..dac99511c 100644
--- a/v2v/parse_libvirt_xml.ml
+++ b/v2v/parse_libvirt_xml.ml
@@ -246,7 +246,7 @@ let parse_libvirt_xml ?conn xml =
   (* Non-removable disk devices. *)
   let disks =
     let get_disks, add_disk =
-      let disks = ref [] and i = ref 0 in
+      let disks = ref [] and i = ref (-1) in
       let get_disks () = List.rev !disks in
       let add_disk qemu_uri format controller p_source =
         incr i;
-- 
2.17.1


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