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migration: process_incoming_migration_co(): rework error reporting

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Unify error reporting in the function. This simplifies the following
commit, which will not-exit-on-error behavior variant to the function.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2024-04-30 11:56:45 +03:00 committed by Fabiano Rosas
parent 30116e9079
commit f84eaa9ffd
1 changed files with 13 additions and 10 deletions
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23
migration/migration.c
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@ -735,14 +735,16 @@ static void process_incoming_migration_bh(void *opaque)
static void coroutine_fn
process_incoming_migration_co(void *opaque)
{
MigrationState *s = migrate_get_current();
MigrationIncomingState *mis = migration_incoming_get_current();
PostcopyState ps;
int ret;
Error *local_err = NULL;
assert(mis->from_src_file);
if (compress_threads_load_setup(mis->from_src_file)) {
error_report("Failed to setup decompress threads");
error_setg(&local_err, "Failed to setup decompress threads");
goto fail;
}
@ -779,19 +781,12 @@ 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);
s->error = NULL;
}
}
error_report("load of migration failed: %s", strerror(-ret));
error_setg(&local_err, "load of migration failed: %s", strerror(-ret));
goto fail;
}
if (colo_incoming_co() < 0) {
error_setg(&local_err, "colo incoming failed");
goto fail;
}
@ -800,8 +795,16 @@ process_incoming_migration_co(void *opaque)
fail:
migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
MIGRATION_STATUS_FAILED);
migrate_set_error(s, local_err);
error_free(local_err);
migration_incoming_state_destroy();
WITH_QEMU_LOCK_GUARD(&s->error_mutex) {
error_report_err(s->error);
s->error = NULL;
}
exit(EXIT_FAILURE);
}