[RFC PATCH 1/2] migration: Report error in incoming migration

[Fabiano Rosas <farosas@suse.de>]

We're not currently reporting the errors set with migrate_set_error()
when incoming migration fails.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 migration/migration.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/migration/migration.c b/migration/migration.c
index 28a34c9068..cca32c553c 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -698,6 +698,13 @@ process_incoming_migration_co(void *opaque)
     }
 
     if (ret < 0) {
+        MigrationState *s = migrate_get_current();
+
+        if (migrate_has_error(s)) {
+            WITH_QEMU_LOCK_GUARD(&s->error_mutex) {
+                error_report_err(s->error);
+            }
+        }
         error_report("load of migration failed: %s", strerror(-ret));
         goto fail;
     }
-- 
2.35.3