[PULL 12/21] migration: report SaveStateEntry id and name on failure

[Dr. David Alan Gilbert (git)]

From: Wei Yang <address@hidden>

This provides helpful information on which entry failed.

Signed-off-by: Wei Yang <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
 migration/savevm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/migration/savevm.c b/migration/savevm.c
index bb9462a54d..241c5dd097 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1215,6 +1215,8 @@ int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy)
         save_section_footer(f, se);
 
         if (ret < 0) {
+            error_report("failed to save SaveStateEntry with id(name): %d(%s)",
+                         se->section_id, se->idstr);
             qemu_file_set_error(f, ret);
         }
         if (ret <= 0) {
-- 
2.23.0