Migration 20220128 patches

[PULL 22/36] migration: Report the error returned when save_live_iterate fails

Juan Quintela posted 36 patches 4 years ago

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Maintainers: Juan Quintela <quintela@redhat.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, David Gibson <david@gibson.dropbear.id.au>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Artyom Tarasenko <atar4qemu@gmail.com>, Igor Mammedov <imammedo@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, "Cédric Le Goater" <clg@kaod.org>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Stafford Horne <shorne@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Ani Sinha <ani@anisinha.ca>, Aurelien Jarno <aurelien@aurel32.net>, Greg Kurz <groug@kaod.org>, Laurent Vivier <laurent@vivier.eu>, Jason Wang <jasowang@redhat.com>, Fam Zheng <fam@euphon.net>, Alistair Francis <alistair@alistair23.me>, Andrew Baumann <Andrew.Baumann@microsoft.com>, Gerd Hoffmann <kraxel@redhat.com>, Hannes Reinecke <hare@suse.com>, "Michael S. Tsirkin" <mst@redhat.com>, Vikram Garhwal <fnu.vikram@xilinx.com>

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[PULL 22/36] migration: Report the error returned when save_live_iterate fails

Posted by Juan Quintela 4 years ago

From: David Edmondson <david.edmondson@oracle.com>

Should qemu_savevm_state_iterate() encounter a failure when calling a
particular save_live_iterate function, report the error code returned
by the function.

Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/savevm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/migration/savevm.c b/migration/savevm.c
index 0bef031acb..1599b02fbc 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1298,8 +1298,9 @@ 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);
+            error_report("failed to save SaveStateEntry with id(name): "
+                         "%d(%s): %d",
+                         se->section_id, se->idstr, ret);
             qemu_file_set_error(f, ret);
         }
         if (ret <= 0) {
-- 
2.34.1