From: Cédric Le Goater <c...@redhat.com>

When commit bd2270608fa0 ("migration/ram.c: add a notifier chain for
precopy") added PRECOPY_NOTIFY_SETUP notifiers at the end of
qemu_savevm_state_setup(), it didn't take into account a possible
error in the loop calling vmstate_save() or .save_setup() handlers.

Check ret value before calling the notifiers.

Reviewed-by: Peter Xu <pet...@redhat.com>
Signed-off-by: Cédric Le Goater <c...@redhat.com>
Link: https://lore.kernel.org/r/20240304122844.1888308-10-...@redhat.com
Signed-off-by: Peter Xu <pet...@redhat.com>
---
 migration/savevm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/migration/savevm.c b/migration/savevm.c
index e84b26e1c8..76b57a9888 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1317,7 +1317,7 @@ void qemu_savevm_state_setup(QEMUFile *f)
     MigrationState *ms = migrate_get_current();
     SaveStateEntry *se;
     Error *local_err = NULL;
-    int ret;
+    int ret = 0;
 
     json_writer_int64(ms->vmdesc, "page_size", qemu_target_page_size());
     json_writer_start_array(ms->vmdesc, "devices");
@@ -1351,6 +1351,10 @@ void qemu_savevm_state_setup(QEMUFile *f)
         }
     }
 
+    if (ret) {
+        return;
+    }
+
     if (precopy_notify(PRECOPY_NOTIFY_SETUP, &local_err)) {
         error_report_err(local_err);
     }
-- 
2.44.0


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