[Qemu-ppc] [QEMU PATCH v17 4/4] migration: add error_report

[Jianjun Duan]

Added error_report where version_ids do not match in vmstate_load_state.

Reviewed-by: Dr. David Alan Gilbert <address@hidden>

Signed-off-by: Jianjun Duan <address@hidden>
---
 migration/vmstate.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/migration/vmstate.c b/migration/vmstate.c
index 2f9d4ba..8ddd230 100644
--- a/migration/vmstate.c
+++ b/migration/vmstate.c
@@ -85,6 +85,9 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription 
*vmsd,
 
     trace_vmstate_load_state(vmsd->name, version_id);
     if (version_id > vmsd->version_id) {
+        error_report("%s: incoming version_id %d is too new "
+                     "for local version_id %d",
+                     vmsd->name, version_id, vmsd->version_id);
         trace_vmstate_load_state_end(vmsd->name, "too new", -EINVAL);
         return -EINVAL;
     }
@@ -95,6 +98,9 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription 
*vmsd,
             trace_vmstate_load_state_end(vmsd->name, "old path", ret);
             return ret;
         }
+        error_report("%s: incoming version_id %d is too old "
+                     "for local minimum version_id  %d",
+                     vmsd->name, version_id, vmsd->minimum_version_id);
         trace_vmstate_load_state_end(vmsd->name, "too old", -EINVAL);
         return -EINVAL;
     }
-- 
1.9.1